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Warmest beach in Louisiana

82 coastal locations in Louisiana ranked by year-round average sea temperature. The state-wide average is 23.7°C. The peak month is August at 30.7°C. Click any beach for its 30-day chart and 10-year history.

Warmest year-round

South Pass

25.2°C annual mean

State-wide average

23.7°C

across 82 Louisiana coastal locations

Warmest month

August

30.7°C state-wide average

What the water feels like at peak in August

Water at this temperature is very warm and you should look to bathe only. Avoid any kind of strenuous swimming as there is a real risk of heat stroke at this temperature.

Louisiana monthly average 15.6°C to 30.7°C
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  • Warmest month August 30.7°C
  • Coldest month January 15.6°C
  • Annual mean 23.7°C
  • Months above 20°C 8 of 12

Month by month around the Louisiana coast

Louisiana sea temperatures swing from 15.6°C in January to 30.7°C in August on average across the coast. That's a spread of 15°C. Pick a single month for a focused ranking:

Louisiana sea temperature map

Today's pin colours show the latest daily reading at every Louisiana beach we track. Drag and zoom; click any pin for that beach's full page.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest beaches in Louisiana

Sorted by year-round average. Click any beach for its 30-day chart, monthly profile, and 10-year history.

# Location Annual mean
1 South Pass Louisiana 25.2°C
2 Pilot Station, Southwest Pass Louisiana 24.9°C
3 Pilots Station (east), Southwest Pass Louisiana 24.9°C
4 Southwest Pass, Mississippi River, Louisiana Louisiana 24.9°C
5 Grand Isle Louisiana 24.9°C
6 Caminada Pass (bridge) Louisiana 24.4°C
7 Leeville, Bayou Lafourche Louisiana 24.4°C
8 Port Fourchon, Belle Pass Louisiana 24.4°C
9 Texaco Dock, Hackberry Bay Louisiana 24.4°C
10 East Timbalier Island, Timbalier Bay Louisiana 24.4°C
11 Golden Meadow, Plaisance Canal Louisiana 24.4°C
12 Pelican Islands, Timbalier Bay, Louisiana Louisiana 24.4°C
13 Barataria Pass, Louisiana Louisiana 24.4°C
14 Bayou Rigaud, Grand Isle, Barataria Bay, Louisiana Louisiana 24.4°C
15 Devon Energy Facility Louisiana 24.4°C
16 Grand Isle River Delta (2) Louisiana 24.4°C
17 Grand Isle River Delta Louisiana 24.4°C
18 Independence Island, Barataria Bay, Louisiana Louisiana 24.4°C
19 Lonesome Bayou (Thomasin), Louisiana Louisiana 24.4°C
20 Manilla, Barataria Bay, Louisiana Louisiana 24.4°C
21 Mendicant Island, Barataria Bay Louisiana 24.4°C
22 North Pass, Mississippi River, Louisiana Louisiana 24.4°C
23 Port Eads, South Pass, Mississippi River, Louisiana Louisiana 24.4°C
24 Port Eads Louisiana 24.4°C
25 Quatre Bayous Pass, Louisiana Louisiana 24.4°C
Show 25 more ▸
26 Southeast Pass, Mississippi River, Louisiana Louisiana 24.4°C
27 Ship Shoal Light, Louisiana Louisiana 24.3°C
28 Bastian Island, Louisiana Louisiana 24.2°C
29 Empire Jetty, Louisiana Louisiana 24.2°C
30 Cocodrie, Terrebonne Bay Louisiana 24.2°C
31 East Isle Dernière, Lake Pelto Louisiana 24.2°C
32 Timbalier Island, Timbalier Bay, Louisiana Louisiana 24.2°C
33 Wine Island, Terrebonne Bay, Louisiana Louisiana 24.2°C
34 Joseph Bayou, Mississippi River, Louisiana Louisiana 24.1°C
35 Pilottown Louisiana 24.1°C
36 Caillou Boca, Louisiana Louisiana 24.0°C
37 Raccoon Point, Caillou Bay, Louisiana Louisiana 24.0°C
38 Texas Gas Platform, Caillou Bay Louisiana 24.0°C
39 Freshwater Canal Locks Louisiana 23.7°C
40 Breton Islands, Louisiana Louisiana 23.7°C
41 Cameron Louisiana 23.6°C
42 Holly Beach Louisiana 23.6°C
43 Lake Charles, Calcasieu River Louisiana 23.6°C
44 Mermentau River entrance, Louisiana Louisiana 23.6°C
45 Bulk Terminal Louisiana 23.5°C
46 Calcasieu Pass, East Jetty Louisiana 23.5°C
47 Calcasieu Pass, Lighthouse Wharf, Louisiana Louisiana 23.5°C
48 Chandeleur Light, Louisiana Louisiana 23.4°C
49 Jack Bay, Louisiana Louisiana 23.3°C
50 Olga Compressor Station, Grand Bay Louisiana 23.3°C

Coldest 10 in Louisiana

Same data, sorted the other way.

# Location Annual mean
1 Bayou BonFouca, Route 433, Louisiana Louisiana 22.6°C
2 Chef Menteur, Chef Menteur Pass, Louisiana Louisiana 22.6°C
3 Martello Castle, Lake Borgne Louisiana 22.6°C
4 University of New Orleans vicinity, Chef Menteur Pass Louisiana 22.6°C
5 Mandeville Louisiana 22.6°C
6 New Orleans Louisiana 22.6°C
7 Baton Rouge Louisiana 22.6°C
8 Lafitte, Barataria Waterway Louisiana 22.7°C
9 West Bank 1, Bayou Gauche Louisiana 22.7°C
10 Comfort Island, Louisiana Louisiana 22.8°C

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