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Live readings · updated daily

Water temperature in Louisiana

The latest readings from USGS real-time water sensors across Louisiana, warmest first. Snapshot updated August 21, 2026.

Warmest sensor reading right now

91°F33°C

USGS gauge Company Canal at Salt Barrier near Lockport, LA · as of 9 hrs ago

All reporting stations (warmest 50 of 294)

StationWater tempStreamflowGage heightObserved
Company Canal at Salt Barrier near Lockport, LAUSGS gauge91°F33°C1.49 ft9 hrs ago
Company Canal at Hwy 1 at Lockport, LAUSGS gauge91°F33°C1.12 ft9 hrs ago
Bayou Lafourche at Lockport, LAUSGS gauge90°F32°C4.36 ft9 hrs ago
Calcasieu River at I-10 at Lake Charles, LAUSGS gauge90°F32°C1.47 ft9 hrs ago
Hackberry Bay NW of Grand Isle, LAUSGS gauge90°F32°C3.41 ft9 hrs ago
Rigolets at Hwy 90 near Slidell, LAUSGS gauge90°F32°C1.21 ft9 hrs ago
L. Cataouatche at Whiskey Canal S of Waggaman, LAUSGS gauge89°F32°C5.92 ft9 hrs ago
Caillou Bay SW of Cocodrie, LAUSGS gauge89°F32°C1.52 ft9 hrs ago
Lower Atchafalaya River at Morgan City, LAUSGS gauge89°F32°C45,100 ft³/s2.60 ft9 hrs ago
Caillou Lake (Sister Lake) SW of Dulac, LAUSGS gauge89°F32°C1.62 ft9 hrs ago
Vermilion River at Surrey St. at Lafayette, LAUSGS gauge89°F32°C784 ft³/s4.91 ft9 hrs ago
Barataria Waterway at Mud Lake S of Lafitte, LAUSGS gauge89°F31°C6.42 ft9 hrs ago
Little Lake near Bay Dosgris E of Galliano, LAUSGS gauge89°F31°C4.74 ft9 hrs ago
Davis Pond Freshwater Diversion near Boutte, LAUSGS gauge88°F31°C701 ft³/s9.55 ft9 hrs ago
Bayou Perot at Point Legard near Cutoff, LAUSGS gauge88°F31°C2.04 ft8 hrs ago
Caernarvon Outfall Channel at Caernarvon, LAUSGS gauge88°F31°C676 ft³/s0.34 ft9 hrs ago
Vermilion Bay near Cypremort Point, LAUSGS gauge88°F31°C2.17 ft9 hrs ago
Vermilion Bay(B. Fearman) nr Intracoastal City, LAUSGS gauge88°F31°C6.12 ft9 hrs ago
Empire Waterway south of Empire, LAUSGS gauge88°F31°C5.97 ft9 hrs ago
Barataria Bay near Grand Terre Island, LAUSGS gauge87°F31°C2.92 ft9 hrs ago
North Calcasieu Lake near Hackberry, LAUSGS gauge87°F31°C3.52 ft9 hrs ago
Northeast Bay Gardene near Point-A-LA-Hache, LAUSGS gauge87°F31°C0.46 ft9 hrs ago
Barataria Pass at Grand Isle, LAUSGS gauge87°F31°C7.68 ft9 hrs ago
Black Bay nr Snake Island nr Pointe-A-La-Hache, LAUSGS gauge87°F30°C2.35 ft9 hrs ago
Crooked B. NW of L. Cuatro Caballo near DelacroixUSGS gauge87°F30°C4.80 ft9 hrs ago
Black Bay nr Stone Island nr Pointe-A-La-Hache, LAUSGS gauge86°F30°C4.12 ft9 hrs ago
Caminada Pass NW of Grand Isle, LAUSGS gauge85°F30°C2.65 ft9 hrs ago
Mississippi River at Baton Rouge, LAUSGS gauge82°F28°C251,000 ft³/s8.41 ft9 hrs ago
Ouiska Chitto Creek Near Oberlin, LAUSGS gauge79°F26°C237 ft³/s2.88 ft9 hrs ago
Maurepas Swamp nr Hope Canal, N of Garyville, LaUSGS gauge79°F26°C0.09 ft8 hrs ago
(COE) Tensas River south of Newlight, LAUSGS gauge34.36 ft9 hrs ago
Abita River north of Abita Springs, LAUSGS gauge6.75 ft9 hrs ago
Airline Canal at Blind River near Gramercy, LAUSGS gauge-0.53 ft10 hrs ago
Alligator Bayou near Kleinpeter, LAUSGS gauge0.88 ft9 hrs ago
Amite River at Grangeville, LAUSGS gauge17.63 ft9 hrs ago
Amite River at Hwy 22 near Maurepas, LAUSGS gauge0.93 ft9 hrs ago
Amite River at Magnolia, LAUSGS gauge27.23 ft9 hrs ago
Amite River at Port Vincent, LAUSGS gauge802 ft³/s0.72 ft9 hrs ago
Amite River Diversion south of Whitehall, LAUSGS gauge4.99 ft9 hrs ago
Amite River near Darlington, LAUSGS gauge237 ft³/s-1.21 ft9 hrs ago
Amite River near Denham Springs, LAUSGS gauge437 ft³/s10.11 ft9 hrs ago
Amite River near French Settlement, LAUSGS gauge0.04 ft9 hrs ago
Anacoco lk nr Leesville, LAUSGS gauge3.19 ft9 hrs ago
Arm of Grand Lake near Crook Chene CoveUSGS gauge3.77 ft8 hrs ago
Atchafalaya R @ Krotz Springs, LAUSGS gauge1.47 ft9 hrs ago
Atchafalaya River at Butte La Rose, LAUSGS gauge3.88 ft9 hrs ago
Atchafalaya River at Simmesport, LAUSGS gauge124,000 ft³/s8.42 ft9 hrs ago
Barnes Creek at Topsy Bel Rd SW of Reeves, LAUSGS gauge2.32 ft9 hrs ago
Bayou Anacoco near Rosepine, LAUSGS gauge3 ft³/s3.08 ft8 hrs ago
Bayou Bartholomew at Hwy 425 nr Beekman, LAUSGS gauge0.81 ft8 hrs ago

Station links open the official monitoring page with charts and history.

About these readings

Readings come from USGS real-time monitoring stations — 30 sensors are currently reporting a water temperature in Louisiana. Each figure is a point measurement at one sensor, usually on a river or stream — it doesn’t describe a whole lake or shoreline, and coverage varies across the state. Data is provisional and can be revised by the USGS.

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Conditions are for general information only and can change quickly. Always judge the water in person and follow posted advisories and local guidance before swimming or paddling.