The circulation around Tropical Storm Lee affected southeast Louisiana from late on September 2nd through September 4 with primarily onshore southeast and south wind flow. Tropical Storm Lee eventually weakened over inland areas later on September 4th and existed the region on September 5th. The slow forward speed and broad circulation caused above normal tides along the southeast Louisiana and south Mississippi coast and tidal Lakes of Pontchartrain and Maurepas. Tides were generally 2 to 5 feet above normal.  Higher gage readings included 6.25 ft NAVD at the Seabrook Bridge at Lake Pontchartain, 5.40 ft MLLW at Shell Beach, St Bernard Parish; 5.28 ft NAVD at Mandeville,  and 4.22 ft NAVD at Golden Meadow, Lafourche Parish.
Storm surge flooding was primarily confined to areas near the coast and tidal lakes, and outside of hurricane protection levees. Low lying roadways were flooded in many areas. The areas with the greatest impact to houses and other structures included; Jefferson Parish with approximately 105 homes experiencing minor flooding in the Lafitte area;  Livingston Parish with approximately 250 homes having minor flooding; St Tammany Parish with approximately 60 house with minor flooding.

Storm Surge/Tide in ORLEANS, LOUISIANA
From 02-SEP-11 16:00:00 to 06-SEP-11 06:00:00 (CST-6)
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flooding affected low lying areas and roadways outside the hurricane protection levee in far east New Orleans near Fort Pike and Venetian Isles.

Storm Surge/Tide in ST. JOHN THE BAPTIST, LOUISIANA
From 02-SEP-11 16:00:00 to 06-SEP-11 06:00:00 (CST-6)
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Storm surge flooding affected low lying areas and roadways around Frenier.

Storm Surge/Tide in ST. TAMMANY, LOUISIANA
From 02-SEP-11 16:00:00 to 06-SEP-11 06:00:00 (CST-6)
Property damage: 160.00K
Crop damage: 0.00K
Reported by: County Official

Storm surge flooding along Lake Pontchartrain resulted in flooding of low lying roadway and property. Approximately 60 houses had minor flooding in the Slidell, Lacombe, Mandeville and Madisonville areas.

Storm Surge/Tide in UPPER JEFFERSON, LOUISIANA
From 02-SEP-11 16:00:00 to 06-SEP-11 06:00:00 (CST-6)
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Minor flooding occurred outside of the hurricane protection levees.

Storm Surge/Tide in UPPER PLAQUEMINES, LOUISIANA
From 02-SEP-11 16:00:00 to 06-SEP-11 06:00:00 (CST-6)
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Minor flooding occurred outside of the hurricane protection levees.

Storm Surge/Tide in UPPER ST. BERNARD, LOUISIANA
From 02-SEP-11 16:00:00 to 06-SEP-11 06:00:00 (CST-6)
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Minor flooding occurred outside of the hurricane protection levees.

Storm Surge/Tide in LIVINGSTON, LOUISIANA
From 02-SEP-11 16:00:00 to 06-SEP-11 06:00:00 (CST-6)
Property damage: 600.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Many secondary roadways were flooded inlcuding portions of Louisiana Highway 22. A combination of high tides and heavy rainfall caused 250 houses to be affected by primarily minor flooding.

Storm Surge/Tide in LOWER JEFFERSON, LOUISIANA
From 02-SEP-11 16:00:00 to 06-SEP-11 06:00:00 (CST-6)
Property damage: 620.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Approximately 100 homes had minor flooding in in the Laffitte and Crown Point area. In the Grand Isle areas flooding of low lying property occurred on the bay sides.

Storm Surge/Tide in LOWER LAFOURCHE, LOUISIANA
From 02-SEP-11 16:00:00 to 06-SEP-11 06:00:00 (CST-6)
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Low land flooding occurred in many areas. Louisiana Highway 1 was flooded south of Golden Meadow, and flooding affected Louisiana Highway 24.

Storm Surge/Tide in LOWER PLAQUEMINES, LOUISIANA
From 02-SEP-11 16:00:00 to 06-SEP-11 06:00:00 (CST-6)
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flooding affected low lying areas outside the hurricane protection levee. Approximately 6 miles of parish maintained back levees were overtopped or breached in the areas Myrtle Grove and West Point a la Hache causing flooding along Louisiana Highway 23.

Storm Surge/Tide in LOWER ST. BERNARD, LOUISIANA
From 02-SEP-11 16:00:00 to 06-SEP-11 06:00:00 (CST-6)
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flooding affected low lying areas outside the hurricane protection levee.

Storm Surge/Tide in LOWER TERREBONNE, LOUISIANA
From 02-SEP-11 16:00:00 to 06-SEP-11 06:00:00 (CST-6)
Property damage: 45.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flooding affected low lying areas and roadways outside the hurricane protection levee.

Storm Surge/Tide in SOUTHERN TANGIPAHOA, LOUISIANA
From 02-SEP-11 16:00:00 to 06-SEP-11 06:00:00 (CST-6)
Property damage: 35.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flooding occurred in low lying areas and roadways south of Ponchatoula.

Storm Surge/Tide in ST. CHARLES, LOUISIANA
From 02-SEP-11 16:00:00 to 06-SEP-11 06:00:00 (CST-6)
Property damage: 144.00K
Crop damage: 0.00K
Reported by: Newspaper

Flooding occurred in low lying areas on both east and west bank areas outside of the hurricane protection levees.