What is the average water temperature in Louisiana?

The current average water temperature across Louisiana's monitored water bodies is 78.9°F.

🌡️

Louisiana Water Temperatures

Q: What is the warmest lake in Louisiana today?

Barataria Bay N Of Grand Isle, La at 83.5°F.

Current lake & river temperatures in Louisiana — updated daily from USGS sensors.

With Data

78.9°F

State Avg

83.5°F

Warmest

83.5°F

Warmest

Barataria Bay N Of Grand Isle, La

78.9°F

State Average

100 water bodies

68.4°F

Coldest

Bayou Grand Caillou At Dulac, La

🏊

Swimming Conditions

✅ Good for swimming

Based on avg 78.9°F

🎣

Fishing Conditions

🎣 Peak — bass, crappie, catfish

Based on avg 78.9°F

Louisiana — Ranked by Temperature

26 with data

#	Water Body	°F	°C	Condition	🏊	Date
1	Barataria Bay N Of Grand Isle, La Lake	83.5°	28.6°	☀️ Warm	🏊 Excellent	Aug 28
2	Bayou Francois At Hwy 61 Near Gonzales, La Lake	83.3°	28.5°	☀️ Warm	🏊 Excellent	Sep 29
3	L. Cataouatche At Whiskey Canal S Of Waggaman, La Lake	82.9°	28.3°	☀️ Warm	🏊 Excellent	Jun 4
4	Barataria Waterway At Mud Lake S Of Lafitte, La Lake	82.9°	28.3°	☀️ Warm	🏊 Excellent	Jun 4
5	Barataria Bay Near Grand Terre Island, La Lake	82.8°	28.2°	☀️ Warm	🏊 Excellent	Jun 4
6	North Calcasieu Lake Near Hackberry, La Lake	82.2°	27.9°	☀️ Warm	🏊 Excellent	Jun 4
7	Caillou Lake (Sister Lake) Sw Of Dulac, La Lake	82°	27.8°	☀️ Warm	🏊 Excellent	Jun 4
8	Barataria Pass At Grand Isle, La Lake	81.9°	27.7°	☀️ Warm	🏊 Excellent	May 17
9	Little Lake Near Bay Dosgris E Of Galliano, La Lake	81.9°	27.7°	☀️ Warm	🏊 Excellent	Jun 4
10	Company Canal At Salt Barrier Near Lockport, La River	81.7°	27.6°	☀️ Warm	🏊 Excellent	Jun 4
11	Vermilion Bay Near Cypremort Point, La Lake	81.5°	27.5°	☀️ Warm	🏊 Excellent	Jun 4
12	Calcasieu River At I-10 At Lake Charles, La River	81.3°	27.4°	☀️ Warm	🏊 Excellent	Jun 4
13	Bayou Lafourche At Lockport, La Lake	80.8°	27.1°	☀️ Warm	🏊 Excellent	Jun 4
14	Reggio Canal Near Wills Point, La River	80.6°	27°	☀️ Warm	🏊 Excellent	Jun 4
15	Bayou Boeuf At Railroad Bridge At Amelia, La Lake	80.6°	27°	☀️ Warm	🏊 Excellent	May 12
16	Company Canal At Hwy 1 At Lockport, La River	80.2°	26.8°	☀️ Warm	🏊 Excellent	Jun 4
17	Mermentau River At Mermentau, La River	80.2°	26.8°	☀️ Warm	🏊 Excellent	Sep 29
18	Crms2166-H01-Rt Lake	79.2°	26.2°	☀️ Warm	✅ Good	May 18
19	Caernarvon Outfall Channel At Caernarvon, La Lake	77.7°	25.4°	☀️ Warm	✅ Good	Jun 4
20	Mississippi River At Baton Rouge, La River	76.8°	24.9°	☀️ Warm	✅ Good	Jun 4
21	Giww West Of Bayou Lafourche At Larose, La Lake	74.1°	23.4°	🌤️ Comfortable	✅ Good	Oct 23
22	Davis Pond Freshwater Diversion Near Boutte, La Lake	74.1°	23.4°	🌤️ Comfortable	✅ Good	Oct 23
23	Little Bayou Long North Of Duck Lake, La Lake	71.6°	22°	🌤️ Comfortable	⚠️ Brisk	Nov 4
24	Middle Fork Bayou Long At Bayou Long Lake	71.2°	21.8°	🌤️ Comfortable	⚠️ Brisk	Nov 3
25	Bayou Bartholomew At Hwy 425 Nr Beekman, La Lake	68.5°	20.3°	🌤️ Comfortable	⚠️ Brisk	Oct 15
26	Bayou Grand Caillou At Dulac, La Lake	68.4°	20.2°	🌤️ Comfortable	⚠️ Brisk	Jan 29
27	(Coe) Red River At Shreveport, La River	—	—	—	—	—
28	Bayou Darbonne Lake At Dam Near Downsville Lake	—	—	—	—	—
29	Middle Fk Byu D'Arbonne Nr Bernice, La Lake	—	—	—	—	—
30	Comite R. At Pt. Hudson-Pride Rd Near Milldale, La Lake	—	—	—	—	—
31	Giww At Bayou Sale Ridge Near Franklin, La Lake	—	—	—	—	—
32	Bundick Lake At Spillway Near Deridder, La Lake	—	—	—	—	—
33	Boeuf River At Hwy 2 Near Mer Rouge, La River	—	—	—	—	—
34	Comite R. At Greenwell Spg Rd Near Baton Rouge, La Lake	—	—	—	—	—
35	Bayou Teche At Keystone L&D Nr St. Martinville, La Lake	—	—	—	—	—
36	Pearl River Near Bogalusa, La River	—	—	—	—	—
37	Bayou Lafourche At Hwy 847 East Of Cane Hill, La Lake	—	—	—	—	—
38	Bluff Swamp Near Kleinpeter, La Lake	—	—	—	—	—
39	Vermilion River Near Lafayette, La River	—	—	—	—	—
40	East Pearl River At I-59 Near Nicholson, Ms River	—	—	—	—	—
41	Bayou Macon Northeast Of Gilbert, La Lake	—	—	—	—	—
42	Welsh Gully At J. Broussard Rd Nr Prairieville, La Lake	—	—	—	—	—
43	Bayou Mallet At Hwy 91 North Of Iota, La Lake	—	—	—	—	—
44	Black Bayou At Huckaby Rd Sw Of Hosston, La Lake	—	—	—	—	—
45	Little River Near Rochelle, La River	—	—	—	—	—
46	Amite River At Hwy 22 Near Maurepas, La River	—	—	—	—	—
47	Cypress Bayou North Of Sieper, La Lake	—	—	—	—	—
48	Bayou Dorcheat Near Sibley, La. Lake	—	—	—	—	—
49	Thompson Ck Nr Starhill, La Lake	—	—	—	—	—
50	Inner Harbor Navigation Canal Nr Seabrook Bridge River	—	—	—	—	—
51	Bundick Creek Near Deridder, La River	—	—	—	—	—
52	Red Chute Bayou Near Elm Grove, La. Lake	—	—	—	—	—
53	Tchefuncte River Near Covington, La River	—	—	—	—	—
54	Bear Head Ck Nr Starks, La Lake	—	—	—	—	—
55	Byu Dupont Nr Robeline, La Lake	—	—	—	—	—
56	Tangipahoa River Near Amite, La River	—	—	—	—	—
57	Choctaw Bayou At Hwy 404 W Of White Castle, La Lake	—	—	—	—	—
58	Bayou Anacoco Near Rosepine, La Lake	—	—	—	—	—
59	Lake Bistineau Near Ringgold, La Lake	—	—	—	—	—
60	Red River 6.5 Miles Below Black River, La River	—	—	—	—	—
61	Natalbany River At Baptist, La River	—	—	—	—	—
62	Chicot Pass Near Myette Point Near Charenton, La Lake	—	—	—	—	—
63	Ouachita River At Sterlington, La River	—	—	—	—	—
64	Sandy Ck At Alph. Forbes Nr Greenwell Springs, La Lake	—	—	—	—	—
65	Bayou Teche E Of Calumet Flood Gate At Calumet, La Lake	—	—	—	—	—
66	Byu Queue De Tortue @ Riceville, La Lake	—	—	—	—	—
67	Ouachita River At West Monroe, La River	—	—	—	—	—
68	Comite River At Hooper Road Near Baton Rouge, La River	—	—	—	—	—
69	State Canal Near Krotz Springs, La River	—	—	—	—	—
70	Arm Of Grand Lake Near Crook Chene Cove Lake	—	—	—	—	—
71	Bayou Lafourche Near Crew Lake, La Lake	—	—	—	—	—
72	Jones Cr. At Old Hammond Hwy Near Baton Rouge, La Lake	—	—	—	—	—
73	Vermilion River (B. Vermilion) Near Carencro, La River	—	—	—	—	—
74	Bogue Chitto River Near Bush, La River	—	—	—	—	—
75	Bayou Macon Nr Kilbourne, La Lake	—	—	—	—	—
76	North Branch Ward Creek At Baton Rouge, La River	—	—	—	—	—
77	Vermilion River At Perry, La River	—	—	—	—	—
78	Red River At Yawn Estate Near Cash Point, La River	—	—	—	—	—
79	Dugdemona River Near Jonesboro, La River	—	—	—	—	—
80	Amite River Near French Settlement, La River	—	—	—	—	—
81	Mermentau River @ Lake Arthur, La River	—	—	—	—	—
82	Red River At Bossier City, La River	—	—	—	—	—
83	Black R @ Jonesville, La Lake	—	—	—	—	—
84	Black Bayou E Of Gonzales, La Lake	—	—	—	—	—
85	Ouiska Chitto Creek At Hwy 399 Nw Of Sugartown, La River	—	—	—	—	—
86	Bodcau Bayou Near Sarepta, La Lake	—	—	—	—	—
87	Bayou Lafourche Sw Of Donaldsonville, La Lake	—	—	—	—	—
88	Beckwith Creek Near Singer, La. River	—	—	—	—	—
89	Cypress Bayou Near Keithville, La Lake	—	—	—	—	—
90	Tchefuncte River At Madisonville, La River	—	—	—	—	—
91	Bayou Grosse Tete S. Of I10 At Grosse Tete, La Lake	—	—	—	—	—
92	Bayou San Patricio Near Benson, La Lake	—	—	—	—	—
93	Old River At Hwy 1 Nr Natchitoches, La River	—	—	—	—	—
94	Tickfaw River At Liverpool, La River	—	—	—	—	—
95	Atchafalaya River At Simmesport, La River	—	—	—	—	—
96	Nantachie Lake Near Aloha, La Lake	—	—	—	—	—
97	Intracoastal Waterway Southwest Of Pierre Part, La Lake	—	—	—	—	—
98	(Coe) Bayou Bartholomew Near Beekman, La Lake	—	—	—	—	—
99	Lake Salvador Near Lafitte, La Lake	—	—	—	—	—
100	Little Corney Bayou Near Lillie, La Lake	—	—	—	—	—

Barataria Bay N Of Grand Isle, La Lake

83.5°F

☀️ Warm

Bayou Francois At Hwy 61 Near Gonzales, La Lake

83.3°F

☀️ Warm

L. Cataouatche At Whiskey Canal S Of Waggaman, La Lake

82.9°F

☀️ Warm

Barataria Waterway At Mud Lake S Of Lafitte, La Lake

82.9°F

☀️ Warm

Barataria Bay Near Grand Terre Island, La Lake

82.8°F

☀️ Warm

North Calcasieu Lake Near Hackberry, La Lake

82.2°F

☀️ Warm

Caillou Lake (Sister Lake) Sw Of Dulac, La Lake

82°F

☀️ Warm

Barataria Pass At Grand Isle, La Lake

81.9°F

☀️ Warm

Little Lake Near Bay Dosgris E Of Galliano, La Lake

81.9°F

☀️ Warm

Company Canal At Salt Barrier Near Lockport, La River

81.7°F

☀️ Warm

Vermilion Bay Near Cypremort Point, La Lake

81.5°F

☀️ Warm

Calcasieu River At I-10 At Lake Charles, La River

81.3°F

☀️ Warm

Bayou Lafourche At Lockport, La Lake

80.8°F

☀️ Warm

Reggio Canal Near Wills Point, La River

80.6°F

☀️ Warm

Bayou Boeuf At Railroad Bridge At Amelia, La Lake

80.6°F

☀️ Warm

Company Canal At Hwy 1 At Lockport, La River

80.2°F

☀️ Warm

Mermentau River At Mermentau, La River

80.2°F

☀️ Warm

Crms2166-H01-Rt Lake

79.2°F

☀️ Warm

Caernarvon Outfall Channel At Caernarvon, La Lake

77.7°F

☀️ Warm

Mississippi River At Baton Rouge, La River

76.8°F

☀️ Warm

More Louisiana Resources

🗺️ Louisiana Water Levels 🎣 Weekly Fishing Report ⛵ Boat Ramp Status 🌵 Drought Conditions 🌡️ All States

❓ Louisiana Water Temperature FAQ

What is the warmest lake in Louisiana today?

Based on our latest USGS data, Barataria Bay N Of Grand Isle, La is currently the warmest water body in Louisiana at 83.5°F.

Which Louisiana lakes are good for swimming right now?

Lakes with water temperatures above 72°F are generally comfortable for swimming. Louisiana averages 78.9°F, making most water bodies suitable for swimming right now.

What is the best water temperature for fishing in Louisiana?

The optimal temperature range depends on your target species. For bass fishing, look for water bodies between 65–75°F. For trout, target the coldest water bodies in Louisiana — typically 50–65°F. Use the table above to identify which lakes are in the ideal range for your target species.

🔬 Data Methodology & Sources

Water temperature readings on this site are collected from USGS (United States Geological Survey) monitoring stations installed at lakes, rivers, and reservoirs across the country. Sensors measure water surface temperature in Celsius, which is converted to Fahrenheit for display. Data is retrieved and stored daily. Temperatures shown reflect the most recent available sensor reading for each water body, typically from the past 1–30 days depending on station reporting frequency.

⚠️ Water temperatures can vary significantly across a water body due to depth, currents, and time of day. Sensor readings represent conditions at the monitoring station location. Always exercise caution when swimming and consult local authorities for official safety advisories.