SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549










FORM 10-K/A

(Amendment No. 1)

(Mark One)

| | x | ANNUAL REPORT PURSUANT TO
SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
| | - | ------------------------------------------------------------------------------------



For the fiscal year ended December 31,
2013

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 0-26128



NorthWest Indiana Bancorp

(Exact name of registrant as specified
in its charter)



|Indiana                                  | 35-1927981                          
|---------------------------------------- | ------------------------------------
|(State or other jurisdiction of          | (I.R.S. Employer Identification No.)
|incorporation or organization)           |                                     
|                                         |                                     
|9204 Columbia Avenue                     | 46321                               
|Munster, Indiana                         | (Zip Code)                          
|(Address of principal executive offices) |                                     



(219) 836-4400

(Registrant’s telephone number, including
area code)



Securities registered pursuant to Section
12(b) of the Act: None



Securities registered pursuant to Section
12(g) of the Act: Common Stock, without par value



Indicate by check mark if the registrant is a well-known seasoned
issuer, as defined in Rule 405 of the Securities Act. Yes  ̈ No x



Indicate by check mark if the registrant is not required to
file reports pursuant to Section 13 or Section 15(d) of the Act. Yes  ̈ No x



Indicate by check mark whether the registrant (1) has filed
all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months
(or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements
for the past 90 days. Yes x No  ̈



Indicate by check mark whether the registrant has submitted
electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant
to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that
the registrant was required to submit and post such files).          Yes x         No
£



Indicate by check mark if disclosure of delinquent filers pursuant
to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of Registrant’s knowledge
in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K. £



Indicate
by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes  ̈No x



Indicate by check mark whether the registrant is a large accelerated
filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated
filer,” “accelerated filer,” and “smaller reporting company” in Rule 12b-2 of the Exchange Act:

Large accelerated filer:  ̈Accelerated filer:  ̈ Non-Accelerated filer:  ̈Smaller reporting company x

(Do not check if a smaller reporting company)



Based on the average bid and ask prices for the registrant’s
Common Stock at June 30, 2013, at that date, the aggregate market value of the registrant’s Common Stock held by nonaffiliates
of the registrant (assuming solely for the purposes of this calculation that all directors and executive officers of the registrant
are “affiliates”) was $53,067,428.





There were 2,841,164 shares of the registrant’s Common
Stock, without par value, outstanding at January 31, 2014.



DOCUMENTS INCORPORATED BY REFERENCE

Portions of the following documents have been incorporated
by reference into this Annual Report on Form 10-K:

1. 2013 Annual Report to Shareholders.
(Part II)

2. Definitive Proxy Statement for the 2014
Annual Meeting of Shareholders. (Part III)











Explanatory Note



This amendment is filed solely to amend the Consent of Independent
Registered Public Accounting Firm which was filed as Exhibit 23.1 to NorthWest Indiana Bancorp’s Annual Report on Form 10-K
for the year ended December 31, 2013. That exhibit, as originally filed, inadvertently stated the consent date as February 15,
2014. The revised exhibit being filed herewith now states the correct date of February 25, 2014. No revisions have been made to
the financial statements or any other disclosures contained in the Annual Report.







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SIGNATURES



Pursuant to the requirements of Section 13 or 15(d) of the
Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto
duly authorized.



| | NORTHWEST INDIANA BANCORP
| | -------------------------
| |                          
| | By                       
| | David A. Bochnowski      
| | Chairman of the Board and
| | Chief Executive Officer  



Date: February 28, 2014



Pursuant to the requirements of the Securities Exchange Act
of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on February
25, 2014:



|Signature                       |  | Title                                
|------------------------------- |  | -------------------------------------
|                                |  |                                      
|Principal Executive Officer:    |  |                                      
|                                |  |                                      
|/s/David A. Bochnowski          |  | Chairman of the Board and            
|David A. Bochnowski             |  | Chief Executive Officer              
|                                |  |                                      
|Principal Financial Officer and |  |                                      
|Principal Accounting Officer:   |  |                                      
|                                |  |                                      
|/s/Robert T. Lowry              |  | Executive Vice President,            
|Robert T. Lowry                 |  | Chief Financial Officer and Treasurer
|                                |  |                                      
|The Board of Directors:         |  |                                      
|                                |  |                                      
|/s/Frank J. Bochnowski          |  | Director                             
|Frank J. Bochnowski             |  |                                      
|                                |  |                                      
|/s/Edward J. Furticella         |  | Director                             
|Edward J. Furticella            |  |                                      
|                                |  |                                      
|/s/Joel Gorelick                |  | Director                             
|Joel Gorelick                   |  |                                      
|                                |  |                                      
|/s/Kenneth V. Krupinski         |  | Director                             
|Kenneth V. Krupinski            |  |                                      
|                                |  |                                      
|/s/Stanley E. Mize              |  | Director                             
|Stanley E. Mize                 |  |                                      



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|/s/Anthony M. Puntillo |  | Director
|---------------------- |  | --------
|Anthony M. Puntillo    |  |         
|                       |  |         
|/s/James L. Wieser     |  | Director
|James L. Wieser        |  |         
|                       |  |         
|/s/Donald P. Fesko     |  | Director
|Donald P. Fesko        |  |         
|                       |  |         
|/s/Amy W. Han          |  | Director
|Amy W. Han             |  |         
|                       |  |         
|/s/Danette Garza       |  | Director
|Danette Garza          |  |         



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EXHIBIT INDEX





|Exhibit |  | Description                                                                     
|------- |  | --------------------------------------------------------------------------------
|        |  |                                                                                 
|23.1    |  | Plante & Moran, PLLC - Consent of Independent Registered Public Accounting Firm.
|        |  |                                                                                 
|31.1    |  | Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer.              
|        |  |                                                                                 
|31.2    |  | Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer.              
|        |  |                                                                                 
|32      |  | Section 1350 Certifications.                                                    
|        |  |                                                                                 





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