##### Table of Contents





UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  WASHINGTON, D.C. 20549
  FORM 10-Q
  (X) QUARTERLY REPORT PURSUANT TO SECTION 13 or
    15(d)
  OF THE SECURITIES EXCHANGE ACT OF 1934
  For the
    quarterly period endedJune 30, 2010
  OR
    ( ) TRANSITION REPORT PURSUANT TO SECTION 13 OR
    15(d)
  OF THE
    SECURITIES EXCHANGE ACT OF 1934
  For the
    transition period from
    
    to
  Commission
    File Number 000-24111
  WESTPORT JWH FUTURES FUND L.P.
     New York

13-3939393(State or other jurisdiction of
    incorporation or organization)

(I.R.S. Employer
    Identification No.)   c/o Ceres
    Managed Futures LLC
    522 5th Ave  14th Floor
    New York, New York 10036
     (212) 296-1999
       Yes X  No
   Yes   No
    Large
    accelerated filer
    Accelerated filer
    Non-accelerated filer X
    Smaller
reporting company  Rule 12b-2
  Yes   No X




---



##### 



WESTPORT JWH FUTURES FUND L.P.
  FORM 10-Q
  INDEX
  PageNumberPART I  Financial Information:Item
    1.


Financial Statements:Statements of Financial Condition at
    June 30, 2010 and December 31, 2009 (unaudited)

3Condensed Schedules of Investments at
    June 30, 2010 and December 31, 2009 (unaudited)

4  5Statements of Income and Expenses and
    Changes in Partners Capital for the three  and six months ended
    June 30, 2010 and 2009 (unaudited)

6Notes to Financial Statements including the Financial Statements of JWH
Master Fund LLC (unaudited)

7  22Item
    2.


Managements Discussion and Analysis
    of Financial Condition and Results of Operations

23  25Item
    3.


Quantitative and Qualitative Disclosures about Market Risk

26   27Item
    4.


Controls and Procedures

28PART II  Other Information

29 - 32ExhibitsEx. 31.1 Certification
Ex. 31.2 Certification
Ex. 32.1 Certification
Ex. 32.2 CertificationEX-31.1EX-31.2EX-32.1EX-32.2   2




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##### Table of Contents



PART I  Item 1.
    Financial Statements  Westport
JWH Futures Fund L.P.
Statements of Financial Condition
(Unaudited) June 30,
    
    
    December 31,2010
    
    
    2009Assets:Investment in JWH Master, at fair value
    
    $
    43,052,563
    
    
    $
    45,426,576Equity in trading account:Cash
    
    
    6,652,977
    
    
    
    7,806,822Cash margin
    
    
    629,608
    
    
    
    657,666Net unrealized appreciation on open futures contracts
    
    
    196,778
    
    
    
    133,994Net unrealized appreciation on open forward contracts
    
    
    
    
    
    
    97,59450,531,926
    
    
    
    54,122,652Interest receivable
    
    
    386
    
    
    
    94Total assets
    
    $
    50,532,312
    
    
    $
    54,122,746Liabilities and Partners CapitalLiabilities:Net unrealized depreciation on open forward contracts
    
    $
    6,050
    
    
    $
    Accrued expenses:Brokerage fees
    
    
    231,579
    
    
    
    248,063Management fees
    
    
    83,675
    
    
    
    89,629Other
    
    
    89,511
    
    
    
    97,540Redemptions payable
    
    
    84,720
    
    
    
    226,129Total liabilities
    
    
    495,535
    
    
    
    661,361Partners Capital:General
Partner 400.0879  and 509.1843 unit equivalents
outstanding at June 30, 2010 and December 31, 2009, respectively
    
    
    555,642
    
    
    
    717,660Limited
Partners, 35,628.5814 and 37,421.9094 Redeemable
Units   outstanding at June 30, 2010 and December 31, 2009, respectively
    
    
    49,481,135
    
    
    
    52,743,725Total partners capital
    
    
    50,036,777
    
    
    
    53,461,385Total liabilities and partners capital
    
    $
    50,532,312
    
    
    $
    54,122,746Net asset
value per unit
    
    $
    1,388.80
    
    
    $
    1,409.43
   3




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##### Table of Contents



Westport JWH Futures Fund L.P.
    Condensed Schedule of Investments
    June 30, 2010
    (Unaudited) Number of
    
    
    
    
    
    
    % of PartnersContracts
    
    
    Fair Value
    
    
    CapitalFutures Contracts PurchasedCurrencies
    
    
    19
    
    
    $
    72,875
    
    
    
    0.14
    %Grains
    
    
    6
    
    
    
    (690
    )
    
    
    (0.00
    )*Indices
    
    
    2
    
    
    
    (10,165
    )
    
    
    (0.02
    )Interest Rates U.S.
    
    
    42
    
    
    
    94,856
    
    
    
    0.19Interest Rates Non-U.S.
    
    
    36
    
    
    
    67,065
    
    
    
    0.13Livestock
    
    
    8
    
    
    
    2,880
    
    
    
    0.01Metals
    
    
    4
    
    
    
    13,680
    
    
    
    0.03Softs
    
    
    17
    
    
    
    1,180
    
    
    
    0.00
    *Total futures contracts purchased
    
    
    
    
    
    
    241,681
    
    
    
    0.48Futures Contracts SoldCurrencies
    
    
    30
    
    
    
    (124,669
    )
    
    
    (0.25
    )Energy
    
    
    20
    
    
    
    35,098
    
    
    
    0.07Grains
    
    
    37
    
    
    
    23,717
    
    
    
    0.05Indices
    
    
    17
    
    
    
    28,056
    
    
    
    0.06Metals
    
    
    2
    
    
    
    6,375
    
    
    
    0.01Softs
    
    
    4
    
    
    
    (13,480
    )
    
    
    (0.03
    )Total futures contracts sold
    
    
    
    
    
    
    (44,903
    )
    
    
    (0.09
    )Unrealized Appreciation on Open
Forward ContractsMetals
    
    
    7
    
    
    
    12,175
    
    
    
    0.02Total unrealized appreciation on open forward contracts
    
    
    
    
    
    
    12,175
    
    
    
    0.02Unrealized Depreciation on Open
Forward ContractsMetals
    
    
    2
    
    
    
    (18,225
    )
    
    
    (0.03
    )Total unrealized depreciation on open forward contracts
    
    
    
    
    
    
    (18,225
    )
    
    
    (0.03
    )Investment in JWH Master
    
    
    
    
    
    
    43,052,563
    
    
    
    86.04Total fair value
    
    
    
    
    
    $
    43,243,291
    
    
    
    86.42
    %
 
  
 4




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##### Table of Contents



Westport JWH Futures Fund L.P.
    Condensed Schedule of Investments
    December 31, 2009
    (Unaudited)
  Number of





% of PartnersContracts


Fair Value


CapitalFutures Contracts PurchasedEnergy


15


$
(6,418
)


(0.01
)%Grains


38



(6,114
)


(0.01
)Indices


32



62,155



0.12Interest Rates U.S.


17



(11,688
)


(0.02
)Interest Rates
    Non-U.S.


37



(49,016
)


(0.09
)Metals


6



(19,395
)


(0.04
)Softs


37



102,806



0.19Total futures contracts purchased






72,330



0.14Futures Contracts SoldCurrencies


25



42,394



0.08Interest Rates U.S.


18



21,750



0.04Livestock


8



(2,480
)


(0.01
)Total futures contracts sold






61,664



0.11Unrealized Appreciation on Open Forward ContractsMetals


14



97,594



0.18Total unrealized appreciation on open forward contracts






97,594



0.18Investment in JWH Master






45,426,576



84.97Total fair value





$
45,658,164



85.40
%    5




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##### Table of Contents



Westport
JWH Futures Fund L.P.Statements of Income and Expenses and Changes in Partners Capital
(Unaudited)
 Three Months Ended
    
    
    Six Months EndedJune 30,
    
    
    June 30,2010
    
    
    2009
    
    
    2010
    
    
    2009Income:Net gains (losses) on trading of commodity
interests  and investment in JWH Master:Net realized gains (losses) on closed contracts
    
    $
    (14,715
    )
    
    $
    (380,196
    )
    
    $
    (293,439
    )
    
    $
    (296,735
    )Net realized gains (losses) on investment in JWH Master
    
    
    3,368,683
    
    
    
    (1,321,297
    )
    
    
    (9,911
    )
    
    
    (2,576,559
    )Change in
net unrealized gains (losses) on open contracts
    
    
    (100,962
    )
    
    
    (58,511
    )
    
    
    (40,860
    )
    
    
    (275,626
    )Change in net unrealized gains (losses) on investment in
JWH Master
    
    
    79,189
    
    
    
    698,944
    
    
    
    1,623,044
    
    
    
    (2,722,064
    )Gain (loss) from trading, net
    
    
    3,332,195
    
    
    
    (1,061,060
    )
    
    
    1,278,834
    
    
    
    (5,870,984
    )Interest income
    
    
    1,943
    
    
    
    2,063
    
    
    
    2,905
    
    
    
    4,630Interest income from JWH Master
    
    
    10,554
    
    
    
    11,999
    
    
    
    15,620
    
    
    
    26,892Total income (loss)
    
    
    3,344,692
    
    
    
    (1,046,998
    )
    
    
    1,297,359
    
    
    
    (5,839,462
    )Expenses:Brokerage
fees including clearing fees
    
    
    731,474
    
    
    
    976,887
    
    
    
    1,445,489
    
    
    
    2,083,112Management fees
    
    
    255,241
    
    
    
    347,025
    
    
    
    507,656
    
    
    
    742,374Other
    
    
    97,850
    
    
    
    85,433
    
    
    
    186,333
    
    
    
    164,650Total expenses
    
    
    1,084,565
    
    
    
    1,409,345
    
    
    
    2,139,478
    
    
    
    2,990,136Net income (loss)
    
    
    2,260,127
    
    
    
    (2,456,343
    )
    
    
    (842,119
    )
    
    
    (8,829,598
    )Additions
 Limited Partners
    
    
    954,000
    
    
    
    405,000
    
    
    
    1,239,000
    
    
    
    3,365,000Additions
 General Partner
    
    
    
    
    
    
    200,000
    
    
    
    
    
    
    
    200,000Redemptions  Limited Partners
    
    
    (2,486,463
    )
    
    
    (4,513,697
    )
    
    
    (3,671,489
    )
    
    
    (11,856,183
    )Redemptions
 General Partner
    
    
    (150,000
    )
    
    
    
    
    
    
    (150,000
    )
    
    
    Net increase
(decrease) in Partners Capital
    
    
    577,664
    
    
    
    (6,365,040
    )
    
    
    (3,424,608
    )
    
    
    (17,120,781
    )Partners Capital, beginning of period
    
    
    49,459,113
    
    
    
    71,635,161
    
    
    
    53,461,385
    
    
    
    82,390,902Partners Capital, end of period
    
    $
    50,036,777
    
    
    $
    65,270,121
    
    
    $
    50,036,777
    
    
    $
    65,270,121Net asset
value per unit (36,028.6693 and 40,255.6659 units outstanding
at June 30, 2010 and 2009, respectively)
    
    $
    1,388.80
    
    
    $
    1,621.39
    
    
    $
    1,388.80
    
    
    $
    1,621.39Net income (loss) per Redeemable Unit  and General Partner unit equivalent
    
    $
    60.78
    
    
    $
    (59.42
    )
    
    $
    (20.63
    )
    
    $
    (201.44
    )Weighted
average units outstanding
    
    
    37,058.4236
    
    
    
    41,873.0478
    
    
    
    37,462.7220
    
    
    
    43,508.1295
   6




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##### Table of Contents



Westport JWH Futures Fund L.P.
    Notes to Financial Statements
    June 30, 2010
    (Unaudited)  1.
    General:          Form 10-K
          7




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##### Table of Contents



Westport JWH Futures Fund L.P.
    Notes to Financial Statements
    June 30, 2010 
    (Unaudited)
 2.
    Financial
    Highlights:   Three Months Ended
    
    
    Six Months EndedJune
30,
    
    

June
30,2010
    
    

2009
    
    

2010
    
    

2009Net realized and unrealized gains (losses) *
    
    $
    69.97
    
    
    $
    (49.42
    )
    
    $
    (2.60
    )
    
    $
    (181.31
    )Interest income
    
    
    0.33
    
    
    
    0.34
    
    
    
    0.49
    
    
    
    0.73Expenses **
    
    
    (9.52
    )
    
    
    (10.34
    )
    
    
    (18.52
    )
    
    
    (20.86
    )Increase (decrease) for the period
    
    
    60.78
    
    
    
    (59.42
    )
    
    
    (20.63
    )
    
    
    (201.44
    )Net asset value per Redeemable Unit, beginning of period
    
    
    1,328.02
    
    
    
    1,680.81
    
    
    
    1,409.43
    
    
    
    1,822.83Net asset value per Redeemable Unit, end of period
    
    $
    1,388.80
    
    
    $
    1,621.39
    
    
    $
    1,388.80
    
    
    $
    1,621.39
 
 *
    
    Includes brokerage fees.**
    
    Excludes brokerage fees.  Three Months Ended
    
    
    Six Months EndedJune 30,
    
    

June 30,2010
    
    

2009
    
    

2010
    
    

2009Ratios to Average Net Assets:***Net investment income (loss) before incentive fees****
    
    
    (8.6
    )%
    
    
    (8.1
    )%
    
    
    (8.5
    )%
    
    
    (8.1
    )%Operating expense
    
    
    8.7
    %
    
    
    8.2
    %
    
    
    8.6
    %
    
    
    8.2
    %Incentive fees
    
    
    
    %
    
    
    
    %
    
    
    
    %
    
    
    
    %Total expenses
    
    
    8.7
    %
    
    
    8.2
    %
    
    
    8.6
    %
    
    
    8.2
    %Total return:Total return before incentive fees
    
    
    4.6
    %
    
    
    (3.5
    )%
    
    
    (1.5
    )%
    
    
    (11.1
    )%Incentive fees
    
    
    
    %
    
    
    
    %
    
    
    
    %
    
    
    
    %Total return after incentive fees
    
    
    4.6
    %
    
    
    (3.5
    )%
    
    
    (1.5
    )%
    
    
    (11.1
    )%
  ***
    
    Annualized (other than incentive fees).****
    
    Interest income less total expenses.   8




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##### Table of Contents



Westport
JWH Futures Fund L.P.
    Notes to Financial Statements
    June 30, 2010
    (Unaudited)
 3.
    Trading
    Activities:            Assets
    
    June 30,Futures Contracts
    
    2010Currencies
    
    $
    72,900Energy
    
    
    39,180Grains
    
    
    23,717Indices
    
    
    28,056Interest Rates U.S.
    
    
    94,856Interest Rates Non-U.S.
    
    
    74,352Livestock
    
    
    2,880Metals
    
    
    20,055Softs
    
    
    11,850Total unrealized appreciation on open futures
contracts
    
    $
    367,846LiabilitiesFutures ContractsCurrencies
    
    $
    (124,694
    )Energy
    
    
    (4,082
    )Grains
    
    
    (690
    )Indices
    
    
    (10,165
    )Interest Rates Non-U.S.
    
    
    (7,287
    )Softs
    
    
    (24,150
    )Total unrealized depreciation on open futures
contracts
    
    $
    (171,068
    )Net unrealized appreciation on open futures
contracts
    
    $
    196,778
    *Assets
    
    June 30,Forward Contracts
    
    2010Metals
    
    $
    12,175Total unrealized appreciation on open forward
contracts
    
    $
    12,175LiabilitiesForward ContractsMetals
    
    $
    (18,225
    )Total unrealized depreciation on open forward
contracts
    
    
    (18,225
    )Net
unrealized depreciation on open forward
contracts
    
    $
    (6,050
    )**
 
 *
    
    This amount is in Net unrealized appreciation on open
futures contracts on the Statements of Financial Condition.**
    
    This amount is in Net unrealized depreciation on open forward contracts on the Statements of Financial Condition. 9




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##### Table of Contents



Westport
JWH Futures Fund L.P.
    Notes to Financial Statements
    June 30, 2010
    (Unaudited)
 December 31, 2009AssetsFutures ContractsCurrencies

$
42,569Energy


2,400Grains


1,600Interest Rates U.S.


23,000Indices


62,155Metals


9,125Softs


102,806Total unrealized appreciation on open futures contracts

$
243,655LiabilitiesFutures ContractsCurrencies

$
(175
)Energy


(8,818
)Grains


(7,714
)Interest Rates U.S.


(12,938
)Interest Rates
    Non-U.S.


(49,016
)Livestock


(2,480
)Metals


(28,520
)Total unrealized depreciation on open futures contracts

$
(109,661
)Net unrealized appreciation on open futures contracts

$
133,994
*  
 *
    
    This amount is in Net unrealized appreciation on open
    futures contracts on the Statements of Financial Condition.  December 31, 2009AssetsForward ContractsMetals

$
97,594Total unrealized appreciation on open forward contracts

$
97,594Net unrealized appreciation on open forward contracts

$
97,594
**  
 **
    
    This amount is in Net unrealized appreciation on open
    forward contracts on the Statements of Financial Condition.     Three Months Ended
    
    
    Three Months Ended
    
    
    Six Months Ended
    
    
    Six Months EndedJune 30, 2010
    
    
    June 30, 2009
    
    
    June 30, 2010
    
    
    June 30, 2009Sector
    
    Gain (loss) from trading
    
    
    Gain (loss) from trading
    
    
    Gain (loss) from trading
    
    
    Gain (loss) from tradingCurrencies
    
    $
    102,529
    
    
    $
    (154,248
    )
    
    $
    18,178
    
    
    $
    (339,914
    )Energy
    
    
    (286,912
    )
    
    
    (5,279
    )
    
    
    (176,589
    )
    
    
    96,911Grains
    
    
    (45,364
    )
    
    
    (4,188
    )
    
    
    (104,464
    )
    
    
    (240
    )Interest Rates U.S.
    
    
    220,912
    
    
    
    (82,695
    )
    
    
    151,016
    
    
    
    (131,661
    )Interest Rates Non-U.S.
    
    
    260,885
    
    
    
    (7,008
    )
    
    
    339,204
    
    
    
    (34,389
    )Indices
    
    
    (131,587
    )
    
    
    (6,577
    )
    
    
    (179,165
    )
    
    
    39,396Livestock
    
    
    (31,880
    )
    
    
    (10,950
    )
    
    
    (4,820
    )
    
    
    1,630Metals
    
    
    (45,964
    )
    
    
    (82,508
    )
    
    
    (114,834
    )
    
    
    (112,473
    )Softs
    
    
    (158,296
    )
    
    
    (85,254
    )
    
    
    (262,825
    )
    
    
    (91,621
    )Total
    
    $
    (115,677
    )
    
    $
    (438,707
    )
    
    $
    (334,299
    )
    
    $
    (572,361
    )
 10




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##### Table of Contents



Westport
JWH Futures Fund L.P.
    Notes to Financial Statements
    June 30, 2010
    (Unaudited)
  4.
    Fair
    Value Measurements:  Partnerships and JWH Masters Investments.
  Partnerships and JWH Masters Fair Value Measurements
   11




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##### Table of Contents



Westport JWH Futures Fund L.P.
    Notes to Financial Statements
   June 30, 2010
    (Unaudited)
    Quoted Prices inActive Markets for


Significant Other


SignificantIdentical Assets


Observable Inputs


Unobservable Inputs06/30/2010


(Level 1)


(Level 2)


(Level 3)AssetsFutures

$
196,778


$
196,778


$



$
Investment in JWH Master


43,052,563







43,052,563



Total assets

$
43,249,341


$
196,778


$
43,052,563


$
LiabilitiesForwards

$
6,050


$
6,050


$



$
Total liabilities

$
6,050


$
6,050


$



$
Total fair value

$
43,243,291


$
190,728


$
43,052,563


$
Quoted Prices inActive Markets for


Significant Other


SignificantIdentical Assets


Observable Inputs


Unobservable Inputs12/31/2009


(Level 1)


(Level 2)


(Level 3)AssetsForwards
    
    $
    97,594
    
    
    $
    97,594
    
    
    $
    
    
    
    $
    Futures
    
    
    133,994
    
    
    
    133,994
    
    
    
    
    
    
    
    Investment in JWH Master
    
    
    45,426,576
    
    
    
    
    
    
    
    45,426,576
    
    
    
    Total assets
    
    $
    45,658,164
    
    
    $
    231,588
    
    
    $
    45,426,576
    
    
    
    Total fair value
    
    $
    45,658,164
    
    
    $
    231,588
    
    
    $
    45,426,576
    
    
    $
     5.   Investment in JWH Master:
          give-up,
 12




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##### Table of Contents



Westport JWH Futures Fund L.P.
    Notes to Financial Statements
June 30, 2010
    (Unaudited)
    JWH Master Fund LLC
Statements of Financial Condition
(Unaudited)
 June 30,
    
    
    December 31,2010
    
    
    2009Assets:Equity in trading account:Cash
    
    $
    46,954,832
    
    
    $
    52,728,434Cash margin
    
    
    4,920,692
    
    
    
    3,594,053Net unrealized appreciation on open futures contracts
    
    
    2,663,686
    
    
    
    637,268Total assets
    
    $
    54,539,210
    
    
    $
    56,959,755Liabilities
and Members Capital:Liabilities:Accrued expenses:Professional fees
    
    $
    18,143
    
    
    $
    26,739Total liabilities
    
    
    18,143
    
    
    
    26,739Members Capital:Members
Capital, 21,372.2078 and 23,163.2996 Units of Member Interest
outstanding at June 30, 2010
and December 31, 2009, respectively
    
    
    54,521,067
    
    
    
    56,933,016Total
liabilities and members capital
    
    $
    54,539,210
    
    
    $
    56,959,755Net asset value per Unit of Member Interest
    
    $
    2,551.03
    
    
    $
    2,457.90
  13




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##### Table of Contents



Westport
JWH Futures Fund L.P.Notes to Financial
StatementsJune 30, 2010(Unaudited)
  JWH
 Master Fund LLCCondensed Schedule of Investments
June 30, 2010(Unaudited)
  Number of
    
    
    
    
    
    
    % of MembersContracts
    
    
    Fair Value
    
    
    CapitalFutures Contracts PurchasedCurrencies
    
    
    144
    
    
    $
    234,337
    
    
    
    0.43
    %Interest Rates U.S.
    
    
    448
    
    
    
    957,988
    
    
    
    1.76Interest Rates Non-U.S.
    
    
    301
    
    
    
    591,221
    
    
    
    1.08Metals
    
    
    194
    
    
    
    472,870
    
    
    
    0.87Softs
    
    
    346
    
    
    
    399,460
    
    
    
    0.73Total futures contracts purchased
    
    
    
    
    
    
    2,655,876
    
    
    
    4.87Futures Contracts SoldCurrencies
    
    
    76
    
    
    
    (241,300
    )
    
    
    (0.44
    )Energy
    
    
    131
    
    
    
    119,408
    
    
    
    0.22Grains
    
    
    388
    
    
    
    72,062
    
    
    
    0.13Indices
    
    
    30
    
    
    
    57,640
    
    
    
    0.11Total futures contracts sold
    
    
    
    
    
    
    7,810
    
    
    
    0.02Total fair value
    
    
    
    
    
    $
    2,663,686
    
    
    
    4.89
    %
 14




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##### Table of Contents



Westport
JWH Futures Fund L.P.
    Notes to Financial Statements
    June 30, 2010
    (Unaudited)
  JWH
Master Fund LLC
Condensed  Schedule of Investments
    December 31, 2009
    (Unaudited)
  Number of





% of MembersContracts


Fair Value


CapitalFutures Contracts PurchasedEnergy


39


$
(92,032
)


(0.16
)%Grains


158



(31,000
)


(0.05
)Indices


86



162,509



0.28Interest Rates
    Non-U.S.


232



(123,114
)


(0.22
)Softs


320



652,578



1.15Total futures contracts purchased






568,941



1.00Futures Contracts SoldCurrencies


181



118,063



0.21Energy


34



(128,500
)


(0.23
)Grains


80



(42,438
)


(0.07
)Interest Rates
    Non-U.S.


32



(46,200
)


(0.08
)Interest Rates U.S.


78



23,812



0.04Softs


276



143,590



0.25Total futures contracts sold






68,327



0.12Total fair value





$
637,268



1.12
% 15




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##### Table of Contents



Westport
JWH Futures Fund L.P.
    Notes to Financial Statements
    June 30, 2010
    (Unaudited)
 JWH Master Fund LLC
Statements of Income and Expenses and Changes in Members Capital
(Unaudited)
 Three Months Ended
    
    
    Six Months EndedJune 30,
    
    
    June 30,2010
    
    
    2009
    
    
    2010
    
    

2009Income:Net gains (losses) on trading of commodity
interests:Net realized
gains (losses) on closed contracts
    
    $
    4,255,450
    
    
    $
    (1,401,576
    )
    
    $
    20,609
    
    
    $
    (2,803,978
    )Change in
net unrealized gains (losses) on open contracts
    
    
    89,664
    
    
    
    728,626
    
    
    
    2,026,418
    
    
    
    (3,084,151
    )Gain (loss) from trading, net
    
    
    4,345,114
    
    
    
    (672,950
    )
    
    
    2,047,027
    
    
    
    (5,888,129
    )Interest income
    
    
    13,982
    
    
    
    14,570
    
    
    
    20,668
    
    
    
    31,604Total income (loss)
    
    
    4,359,096
    
    
    
    (658,380
    )
    
    
    2,067,695
    
    
    
    (5,856,525
    )Expenses:Clearing fees
    
    
    27,690
    
    
    
    18,776
    
    
    
    44,098
    
    
    
    32,526Professional fees
    
    
    35,021
    
    
    
    14,560
    
    
    
    54,212
    
    
    
    27,345Total expenses
    
    
    62,711
    
    
    
    33,336
    
    
    
    98,310
    
    
    
    59,871Net income (loss)
    
    
    4,296,385
    
    
    
    (691,716
    )
    
    
    1,969,385
    
    
    
    (5,916,396
    )Additions
    
    
    763,200
    
    
    
    4,444,500
    
    
    
    1,111,200
    
    
    
    6,812,500Redemptions
    
    
    (3,504,287
    )
    
    
    (6,504,311
    )
    
    
    (5,471,866
    )
    
    
    (18,893,143
    )Distribution of interest income to feeder funds
    
    
    (13,982
    )
    
    
    (14,570
    )
    
    
    (20,668
    )
    
    
    (31,604
    )Net increase (decrease) in Members Capital
    
    
    1,541,316
    
    
    
    (2,766,097
    )
    
    
    (2,411,949
    )
    
    
    (18,028,643
    )Members Capital, beginning of period
    
    
    52,979,751
    
    
    
    71,075,712
    
    
    
    56,933,016
    
    
    
    86,338,258Members Capital, end of period
    
    $
    54,521,067
    
    
    $
    68,309,615
    
    
    $
    54,521,067
    
    
    $
    68,309,615Net asset value per Unit
of Member Interest (21,372.2078 and 24,552.2405 units of Member
Interest outstanding at
June 30, 2010 and 2009, respectively)
    
    $
    2,551.03
    
    
    $
    2,782.22
    
    
    $
    2,551.03
    
    
    $
    2,782.22Net income (loss) per Unit of Member Interest
    
    $
    194.97
    
    
    $
    (31.87
    )
    
    $
    94.06
    
    
    $
    (236.28
    )Weighted average units outstanding
    
    
    22,436.0353
    
    
    
    25,496.1390
    
    
    
    22,734.0656
    
    
    
    26,336.8342
  16




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##### Table of Contents



Westport JWH Futures Fund L.P.
    Notes to Financial Statements
   June 30, 2010
    (Unaudited)
    Quoted Prices inActive Markets


Significant Other


Significantfor Identical


Observable Inputs


Unobservable06/30/2010


Assets (Level 1)


(Level 2)


Inputs (Level 3)AssetsFutures

$
2,663,686


$
2,663,686


$



$
Total assets


2,663,686



2,663,686







Total fair value

$
2,663,686


$
2,663,686


$



$
Quoted Prices inActive Markets
    
    
    Significant Other
    
    
    Significantfor Identical
    
    
    Observable Inputs
    
    
    Unobservable12/31/2009
    
    
    Assets (Level 1)
    
    
    (Level 2)
    
    

Inputs (Level 3)AssetsFutures
    
    $
    637,268
    
    
    $
    637,268
    
    
    $
    
    
    
    $
    Total assets
    
    
    637,268
    
    
    
    637,268
    
    
    
    
    
    
    
    Total fair value
    
    $
    637,268
    
    
    $
    637,268
    
    
    $
    
    
    
    $
     17




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##### Table of Contents



Westport
JWH Futures Fund L.P.
    Notes to Financial Statements
    June 30, 2010
    (Unaudited)
   Three Months Ended
    
    
    Six Months EndedJune
30,

    
    

June
30,2010
    
    

2009
    
    

2010
    
    

2009Net realized and unrealized gains (losses) *
    
    $
    195.94
    
    
    $
    (31.87
    )
    
    $
    95.58
    
    
    $
    (236.45
    )Interest income
    
    
    0.63
    
    
    
    0.59
    
    
    
    0.93
    
    
    
    1.26Expenses **
    
    
    (1.60
    )
    
    
    (0.59
    )
    
    
    (2.45
    )
    
    
    (1.09
    )Increase
(decrease) for the period
    
    
    194.97
    
    
    
    (31.87
    )
    
    
    94.06
    
    
    
    (236.28
    )Distribution
of interest income to feeder funds
    
    
    (0.63
    )
    
    
    (0.59
    )
    
    
    (0.93
    )
    
    
    (1.26
    )Net asset
value per Unit of Member Interest, beginning of period
    
    
    2,356.69
    
    
    
    2,814.68
    
    
    
    2,457.90
    
    
    
    3,019.76Net asset value per Unit of Member Interest, end of period
    
    $
    2,551.03
    
    
    $
    2,782.22
    
    
    $
    2,551.03
    
    
    $
    2,782.22
 
 *
    
    Includes clearing fees.**
    
    Excludes clearing fees. Three Months Ended
    
    
    Six Months EndedJune 30,

    
    


June 30,2010
    
    
    2009
    
    
    2010
    
    
    2009Ratios to Average Net Assets:***Net
investment income (loss)****
    
    
    (0.4
    )%
    
    
    (0.1
    )%
    
    
    (0.3
    )%
    
    
    (0.1
    )%Operating expense
    
    
    0.5
    %
    
    
    0.2
    %
    
    
    0.4
    %
    
    
    0.2
    %Total return
    
    
    8.3
    %
    
    
    (1.1
    )%
    
    
    3.8
    %
    
    
    (7.8
    )%
 
 ***
    
    Annualized.****
    
    Interest income less total expenses.     18




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##### Table of Contents



Westport
JWH Futures Fund L.P.
    Notes to Financial Statements
    June 30, 2010
    (Unaudited)
    June 30, 2010AssetsFutures ContractsCurrencies
    
    $
    234,337Energy
    
    
    140,108Grains
    
    
    116,812Indices
    
    
    57,640Interest Rates U.S.
    
    
    957,988Interest Rates Non-U.S.
    
    
    647,435Metals
    
    
    519,840Softs
    
    
    517,980Total unrealized appreciation on open futures contracts
    
    $
    3,192,140LiabilitiesFutures ContractsCurrencies
    
    $
    (241,300
    )Energy
    
    
    (20,700
    )Grains
    
    
    (44,750
    )Interest Rates Non-U.S.
    
    
    (56,214
    )Metals
    
    
    (46,970
    )Softs
    
    
    (118,520
    )Total unrealized depreciation on open futures contracts
    
    $
    (528,454
    )Net unrealized appreciation on open futures contracts
    
    $
    2,663,686
    *December 31, 2009AssetsFutures ContractsCurrencies

$
135,325Grains


45,050Indices


162,509Interest Rates U.S.


23,812Softs


799,918Total unrealized appreciation on open futures contracts

$
1,166,614LiabilitiesFutures ContractsCurrencies

$
(17,262
)Energy


(220,532
)Grains


(118,488
)Interest Rates
    Non-U.S.


(169,314
)Softs


(3,750
)Total unrealized depreciation on open futures contracts

$
(529,346
)Net unrealized appreciation on open futures contracts

$
637,268
*
  
 *
    
    This amount is in Net unrealized appreciation on open
    futures contracts on the Statements of Financial Condition. 19




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##### Table of Contents



Westport
JWH Futures Fund L.P.
    Notes to Financial Statements
    June 30, 2010
    (Unaudited)
 
 Three Months
    
    
    Three Months
    
    
    Six Months
    
    
    Six MonthsJune 30, 2010
    
    
    June 30, 2009
    
    
    June 30, 2010
    
    
    June 30, 2009Sector
    
    Gain (loss) from trading
    
    
    Gain (loss) from trading
    
    
    Gain (loss) from trading
    
    
    Gain (loss) from tradingCurrencies
    
    $
    1,058,720
    
    
    $
    (58,802
    )
    
    $
    1,742,762
    
    
    $
    (2,448,981
    )Energy
    
    
    (1,068,686
    )
    
    
    176,649
    
    
    
    (1,940,042
    )
    
    
    484,813Grains
    
    
    (660,176
    )
    
    
    (11,016
    )
    
    
    (644,537
    )
    
    
    (496,501
    )Indices
    
    
    (305,778
    )
    
    
    440,795
    
    
    
    (432,378
    )
    
    
    425,009Interest Rates U.S.
    
    
    1,896,270
    
    
    
    (438,308
    )
    
    
    1,613,358
    
    
    
    (1,568,020
    )Interest Rates Non-U.S.
    
    
    2,507,225
    
    
    
    (662,243
    )
    
    
    2,551,169
    
    
    
    (1,143,376
    )Softs
    
    
    26,024
    
    
    
    450,440
    
    
    
    862,340
    
    
    
    (127,438
    )Metals
    
    
    891,515
    
    
    
    (570,465
    )
    
    
    (1,705,645
    )
    
    
    (1,013,635
    )Total
    
    $
    4,345,114
    ***
    
    $
    (672,950
    )***
    
    $
    2,047,027
    ***
    
    $
    (5,888,129
    )***
 
 ***
    
    This amount is in Gain (loss) from trading, net on the
Statements of Income and Expenses and Changes in Members
Capital. 6.
    Financial
Instrument Risks:           20




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##### Table of Contents



Westport
JWH Futures Fund L.P.
    Notes to Financial Statements
    June 30, 2010
    (Unaudited)
  7. Critical
    Accounting Policies:
  Use of Estimates.
  Statement of Cash Flows.
  Partnerships and JWH Masters Investments.
  Partnerships and JWH Masters Fair Value Measurements.
    Futures Contracts.
  21




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##### Table of Contents



Westport
JWH Futures Fund L.P.
    Notes to Financial Statements
    June 30, 2010
    (Unaudited)
  London Metals Exchange Forward
    Contracts.
   Income Taxes.
     Subsequent Events.
  Recent Accounting Pronouncements
   Net Income (Loss) per Redeemable Unit
 22




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##### Table of Contents



Item 2.
    Managements
    Discussion and Analysis of Financial Condition and Results of
    Operations.  Liquidity
    and Capital Resources
            Critical
Accounting Policies
  Partnerships and JWH Masters Investments.
  Partnerships and JWH Masters Fair Value Measurements.
   23




---



##### Table of Contents



Futures Contracts.
  London Metals Exchange Forward
    Contracts.
  Results of Operations
        24




---



##### Table of Contents



30-day and/or 90-day
         25




---



##### Table of Contents



Item 3.
    Quantitative
    and Qualitative Disclosures about Market Risk            one-day
    June 30, 2010
(Unaudited)
 % of TotalMarket Sector
    
    Value at Risk
    
    
    CapitalizationCurrencies
    
    $
    466,000
    
    
    
    0.93
    %Energy
    
    
    446,298
    
    
    
    0.89
    %Grains
    
    
    421,657
    
    
    
    0.84
    %Interest Rates U.S.
    
    
    502,464
    
    
    
    1.00
    %Interest Rates Non-U.S.
    
    
    558,629
    
    
    
    1.12
    %Livestock
    
    
    6,400
    
    
    
    0.01
    %Metals
    
    
    763,062
    
    
    
    1.53
    %Softs
    
    
    349,650
    
    
    
    0.70
    %Indices
    
    
    164,285
    
    
    
    0.33
    %Total
    
    $
    3,678,445
    
    
    
    7.35
    %
 26




---



##### Table of Contents



June 30,
    2010
    (Unaudited)
 Three Months Ended June 30, 2010% of Total
    
    
    High
    
    
    Low
    
    
    AverageMarket Sector
    
    Value at Risk
    
    
    Capitalization
    
    
    Value at Risk
    
    
    Value at Risk
    
    
    Value at Risk*Currencies
    
    $
    71,000
    
    
    
    0.14
    %
    
    $
    167,600
    
    
    $
    63,720
    
    
    $
    93,607Energy
    
    
    78,750
    
    
    
    0.15
    %
    
    
    105,500
    
    
    
    41,450
    
    
    
    80,950Grains
    
    
    33,925
    
    
    
    0.07
    %
    
    
    57,750
    
    
    
    16,352
    
    
    
    32,609Interest Rates U.S.
    
    
    54,850
    
    
    
    0.11
    %
    
    
    55,700
    
    
    
    12,896
    
    
    
    52,933Interest Rates Non
-U.S.
    
    
    69,999
    
    
    
    0.14
    %
    
    
    91,402
    
    
    
    57,110
    
    
    
    75,831Livestock
    
    
    6,400
    
    
    
    0.01
    %
    
    
    13,600
    
    
    
    6,400
    
    
    
    10,933Metals
    
    
    89,069
    
    
    
    0.18
    %
    
    
    94,716
    
    
    
    20,753
    
    
    
    79,958Softs
    
    
    45,500
    
    
    
    0.09
    %
    
    
    64,700
    
    
    
    39,600
    
    
    
    50,753Indices
    
    
    59,821
    
    
    
    0.12
    %
    
    
    128,562
    
    
    
    51,527
    
    
    
    81,839Totals
    
    $
    509,314
    
    
    
    1.01
    %
 *
    
    Average of month-end Values at Risk.    June 30,
    2010
    (Unaudited)
 Three Months Ended June 30, 2010% of Total
    
    
    High
    
    
    Low
    
    
    AverageMarket Sector
    
    Value at Risk
    
    
    Capitalization
    
    
    Value at Risk
    
    
    Value at Risk
    
    
    Value at Risk*Currencies
    
    $
    500,000
    
    
    
    0.92
    %
    
    $
    1,084,800
    
    
    $
    308,000
    
    
    $
    625,067Energy
    
    
    465,250
    
    
    
    0.85
    %
    
    
    941,200
    
    
    
    203,450
    
    
    
    719,083Grains
    
    
    490,800
    
    
    
    0.90
    %
    
    
    568,100
    
    
    
    46,800
    
    
    
    411,992Interest Rates U.S.
    
    
    566,600
    
    
    
    1.04
    %
    
    
    574,800
    
    
    
    60,068
    
    
    
    485,583Interest Rates Non -U.S.
    
    
    618,519
    
    
    
    1.13
    %
    
    
    899,137
    
    
    
    564,418
    
    
    
    752,860Metals
    
    
    853,156
    
    
    
    1.57
    %
    
    
    1,003,156
    
    
    
    489,844
    
    
    
    859,655Softs
    
    
    385,000
    
    
    
    0.71
    %
    
    
    711,240
    
    
    
    292,740
    
    
    
    525,493Indices
    
    
    132,233
    
    
    
    0.24
    %
    
    
    285,528
    
    
    
    100,711
    
    
    
    225,450Total
    
    $
    4,011,558
    
    
    
    7.36
    %
 *
    
    Average of month-end Values at Risk. 27




---



##### Table of Contents



Item 4.
    Controls
    and Procedures      Rules 13a-15(e) 15d-15(e)
  internal control over financial
    reporting
  
    pertain to the maintenance of records that in reasonable detail
    accurately and fairly reflect the transactions and dispositions
    of the assets of the Partnership;
    provide reasonable assurance that (i) transactions are
    recorded as necessary to permit preparation of financial
    statements in accordance with GAAP, and (ii) the Partnerships
    receipts are handled and expenditures are made only pursuant to
    authorizations of the General Partner; and
    provide reasonable assurance regarding prevention or timely
    detection of unauthorized acquisition, use or disposition of the
    Partnerships assets that could have a material effect on
    the financial statements.   28




---



##### Table of Contents



PART II.
    OTHER INFORMATION  Item 1.
    Legal
    Proceedings  29




---



##### Table of Contents



Item 1A.
    Risk
    Factors Regulatory changes could restrict the Partnerships operations
 Regulatory changes could restrict the Partnerships operations.
   Item 2.
    Unregistered
    Sales of Equity Securities and Use of Proceeds        (d) Maximum Number(or Approximate(c) Total Number



Dollar Value) of Sharesof Shares (or Units)



(or Units) that(a) Total Number



(b) Average



Purchased as Part



May Yet Beof Shares



Price Paid per



of Publicly Announced



Purchased Under thePeriod


(or Units) Purchased*



Share (or Unit)**



Plans or Programs



Plans or ProgramsApril 1, 2010 -  April 30, 2010



334.5564



$
1,362.41




N/A




N/AMay 1, 2010 -May 31, 2010



1,524.3975



$
1,374.93




N/A




N/AJune 1, 2010 -June 30, 2010



61.0024



$
1,388.80




N/A




N/ATotal



1,919.9563



$
1,373.19   *
    
    Generally, Limited Partners are permitted to redeem their
    Redeemable Units as of the last day of each month on
    10 days notice to the General Partner. Under certain
    circumstances, the General Partner can compel redemption but to
    date the General Partner has not exercised this right. Purchases
    of Redeemable Units by the Partnership reflected in the chart
    above were made in the ordinary course of the Partnerships
    business in connection with effecting redemptions for Limited
    Partners.**
    
    Redemptions of Redeemable Units are effected as of the last day
    of each month at the net asset value per Redeemable Unit as of
    that day. No fee will be charged for redemptions.  Item 3.
    Defaults
    Upon Senior Securities  None  Item 4.
    [Removed and Reserved]  Item 5.
    Other
    Information  None 30




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##### Table of Contents



3.1
    
    Limited Partnership Agreement, dated March 21, 1997 (filed as Exhibit A
to the Registration Statement on Form S-1 filed on April 10, 1997 and incorporated
herein by reference).
 3.2
    
    Certificate of Limited Partnership of the Partnership as filed in the
office of the Secretary of State of the State of New York, dated March 21, 1997
(filed as Exhibit 3.2 to the Registration Statement on Form S-1 filed on April 10,
1997 and incorporated herein by reference).
 (a)
    
    Certificate of Amendment of the Certificate of Limited Partnership as
filed in the office of the Secretary of State of New York, dated October 1, 1999
(filed as Exhibit 3.2(a) to the Form 10-Q filed on November 16, 2009 and
incorporated herein by reference).
 (b)
    
    Certificate of Change of the Certificate of Limited Partnership as filed
in the office of the Secretary of State of New York, effective January 31, 2000
(filed as Exhibit 3.2(b) to the Form 10-Q filed on November 16, 2009 and
incorporated herein by reference).
 (c)
    
    Certificate of Amendment of the Certificate of Limited Partnership as
filed in the office of the Secretary of State of New York, dated May 21, 2003 (filed
as Exhibit 3.2(c) to the Form 10-Q filed on November 16, 2009 and incorporated
herein by reference).
 (d)
    
    Certificate of Amendment of the Certificate of Limited Partnership as
filed in the office of the Secretary of State of New York, dated September 21, 2005
(filed as Exhibit 3.2(d) to the Form 10-Q filed on November 16, 2009 and
incorporated herein by reference).
 (e)
    
    Certificate of Amendment of the Certificate of Limited Partnership as
filed in the office of the Secretary of State of New York, dated September 19, 2008
(filed as Exhibit 3.2(e) to the Form 10-Q filed on November 16, 2009 and
incorporated herein by reference).
 (f)
    
    Certificate of Amendment of the Certificate of Limited Partnership as
filed in the office of the Secretary of State of New York, dated September 28, 2009
(filed as Exhibit 99.1 to the Form 8-K filed on September 29, 2009 and incorporated
herein by reference).
 (g)
    
    Certificate of Amendment of the Certificate of Limited
Partnership as filed in the office of the Secretary of
State of New York, dated
June 29, 2010 (filed as Exhibit 3.2(g)  to the Form 8-K filed on July 2, 2010 and incorporated herein by reference).
 10.1
    
    Form of Customer Agreement between the Partnership and Smith Barney Inc.
(filed as Exhibit 10.1 to the Registration Statement on Form S-1 filed on April 10,
1997 and incorporated herein by reference).
 (a)
    
    Amendment No. 1 to the Customer Agreement, dated March 1, 2000 (filed as
Exhibit 10.1(a) to the Form 10-Q filed on November 16, 2009 and incorporated herein
by reference).
 10.2
    
    Form of Escrow Agreement and Instructions relating to escrow of
subscription funds (filed as Exhibit 10.3 to the Registration Statement on Form S-1
filed on April 10, 1997 and incorporated herein by reference).
 (a)
    
    Amendment to the Escrow Agreement and Instructions relating to escrow of
subscription funds, dated April 8, 1997 (filed as Exhibit 10.2(a) to the Form 10-Q
filed on November 16, 2009 and incorporated herein by reference).
 10.3
    
    Amended and Restated Management Agreement among the Partnership, the
General Partner and John W. Henry & Company Inc., dated March 1, 2000 (filed as
Exhibit 10.3 to the Form 10-Q filed on November 16, 2009 and incorporated herein by
reference).
 (a)
    
    Amendment No. 1 to the Amended and Restated Management Agreement, dated
September 10, 2000 (filed as Exhibit 10.3(a) to the Form 10-Q filed on November 16,
2009 and incorporated herein by reference).
 (b)
    
    Letter extending the Amended and Restated Management Agreement among the
Partnership, the General Partner and John W. Henry & Company, Inc. for 2008, dated
June 5, 2008 (filed as Exhibit 10.14 to the Form 10-K filed on March 31, 2009 and
incorporated herein by reference).
 (c)
    
    Letter extending the Amended and Restated Management Agreement among the
Partnership, the General Partner and John W. Henry & Company, Inc. for 2009, dated
June 9, 2009 (filed Exhibit 10.3(c) to the Form 10-K filed on March 31, 2010 and
incorporated herein by reference).
 10.4
    
    Form of Subscription Agreement (filed as Exhibit 10.4 to the Form 10-Q
filed on November 16, 2009 and incorporated herein by reference).
 10.5
    
    Agency Agreement among the Partnership, the General Partner, Morgan
Stanley Smith Barney LLC and Citigroup Global Markets Inc., dated November 11, 2009
(filed as Exhibit 10.5 to the Form 10-Q filed on November 16, 2009 and incorporated
herein by reference).
 10.6
    
    Joinder Agreement among the General Partner, Citigroup Global Markets
Inc., and Morgan Stanley Smith Barney LLC dated as of June 1, 2009 (filed as Exhibit
10 to the Form 10-Q filed on August 14, 2009 and incorporated herein by reference).
  31.1
    
     Rule 13a-14(a)/15d-14(a) Certification (Certification of President and
Director)
 31.2
    
     Rule 13a-14(a)/15d-14(a) Certification (Certification of Chief Financial
Officer, Secretary and Director)
 32.1
    
     Section 1350 Certification (Certification of President and Director)
 32.2
    
     Section 1350 Certification (Certification of Chief Financial Officer, Secretary and Director)
 31




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##### Table of Contents



SIGNATURES
    WESTPORT JWH FUTURES FUND L.P.
  By:
    Ceres Managed Futures LLC    By:
    /s/ Walter Davis     Date: August 16, 2010  By:
    /s/  Jennifer
    Magro   
  Date: August 16, 2010 32