Weekly swim report · August 21, 2026
Louisiana swim report
On August 21, 2026 the warmest USGS water reading in Louisiana was 91°F at Company Canal at Salt Barrier near Lockport, LA; 10 water-related NWS hazards are active.
Warmest water
The 5 warmest of 30 sensors reporting a water temperature in Louisiana today. Station names open the official monitoring page.
- #191°F 33°C9 hrs ago
- #2Company Canal at Hwy 1 at Lockport, LAUSGS gauge91°F 33°C9 hrs ago
- #3Bayou Lafourche at Lockport, LAUSGS gauge90°F 32°C9 hrs ago
- #490°F 32°C9 hrs ago
- #5Rigolets at Hwy 90 near Slidell, LAUSGS gauge90°F 32°C9 hrs ago
Active hazards in Louisiana
Alerts cover counties or forecast zones — an alert for an area does not mean every river or beach inside it is affected. Times are local to the issuing office.
- Stay outSevere Thunderstorm Warning
A Severe Thunderstorm Warning is in effect for Madison, LA; Warren, MS.
NWS Jackson MS · until Aug 21, 3:30 PM
- Stay outSevere Thunderstorm Warning
A Severe Thunderstorm Warning is in effect for Concordia, LA; Adams, MS.
NWS Jackson MS · until Aug 21, 3:30 PM
- CautionExtreme Heat Warning
An Extreme Heat Warning is in effect for Morehouse; West Carroll; East Carroll; Richland; Madison; Franklin; Catahoula; Tensas; Concordia; Issaquena; Sharkey; Yazoo; Madison; Warren; Hinds; Rankin; Claiborne; Copiah; Simpson; Jefferson; Adams; Franklin; Lincoln; Lawrence; Jefferson Davis; Marion.
NWS Jackson MS · until Aug 21, 8:00 PM
- CautionExtreme Heat Warning
An Extreme Heat Warning is in effect for Vernon; Rapides; Avoyelles; Beauregard; Allen; Evangeline; St. Landry; Lafayette; Upper St. Martin; Lower St. Martin; Northern Calcasieu; Northern Jefferson Davis; Northern Acadia; Upper Vermilion; Upper Iberia; Upper St. Mary; Southern Calcasieu; Southern Jefferson Davis; Southern Acadia; Tyler; Hardin; Northern Jasper; Northern Newton; Southern Jasper; Southern Newton; Upper Jefferson; Northern Orange; Lower Jefferson; Southern Orange.
NWS Lake Charles LA · until Aug 21, 8:00 PM
- CautionExtreme Heat Warning
An Extreme Heat Warning is in effect for Columbia; Union; Caddo; Bossier; Webster; Claiborne; Lincoln; Union; De Soto; Red River; Bienville; Jackson; Ouachita; Sabine; Natchitoches; Winn; Grant; Caldwell; La Salle; Wood; Upshur; Marion; Smith; Gregg; Harrison; Cherokee; Rusk; Panola; Nacogdoches; Shelby; Angelina; San Augustine; Sabine.
NWS Shreveport LA · until Aug 21, 9:00 PM
- CautionExtreme Heat Warning
An Extreme Heat Warning is in effect for Pointe Coupee; West Feliciana; East Feliciana; St. Helena; Washington; Iberville; West Baton Rouge; East Baton Rouge; Assumption; St. James; St. John The Baptist; Upper St. Bernard; Lower St. Bernard; Northern Tangipahoa; Southeast St. Tammany; Western Orleans; Eastern Orleans; Northern St. Tammany; Southwestern St. Tammany; Central Tangipahoa; Lower Tangipahoa; Northern Livingston; Southern Livingston; Western Ascension; Eastern Ascension; Upper Jefferson; Upper Plaquemines; Central Plaquemines; Lower Plaquemines; Central Jefferson; Coastal Jefferson; Upper Lafourche; Lower Lafourche; Upper Terrebonne; Lower Terrebonne; Upper St. Charles; Central St. Charles; Lower St. Charles; Wilkinson; Amite; Pike; Walthall; Pearl River; Northern Hancock; Northern Harrison; Northern Jackson; Southern Hancock; Southern Harrison; Southern Jackson.
NWS New Orleans LA · until Aug 21, 8:00 PM
- CautionHeat Advisory
A Heat Advisory is in effect for West Cameron; East Cameron; Lower Vermilion; Lower Iberia; Lower St. Mary.
NWS Lake Charles LA · until Aug 21, 8:00 PM
- CautionSevere Thunderstorm Watch
A Severe Thunderstorm Watch is in effect for East Baton Rouge, LA; East Feliciana, LA; Livingston, LA; Pointe Coupee, LA; St. Helena, LA; St. Tammany, LA; Tangipahoa, LA; Washington, LA; West Baton Rouge, LA; West Feliciana, LA; Amite, MS; Hancock, MS; Harrison, MS; Jackson, MS; Pearl River, MS; Pike, MS; Walthall, MS; Wilkinson, MS.
NWS New Orleans LA · until Aug 21, 8:00 PM
- CautionSevere Thunderstorm Watch
A Severe Thunderstorm Watch is in effect for Catahoula, LA; Concordia, LA; Adams, MS; Claiborne, MS; Clarke, MS; Copiah, MS; Covington, MS; Forrest, MS; Franklin, MS; Jasper, MS; Jefferson, MS; Jefferson Davis, MS; Jones, MS; Lamar, MS; Lawrence, MS; Lincoln, MS; Marion, MS; Simpson, MS; Smith, MS.
NWS Jackson MS · until Aug 21, 8:00 PM
- Heads-upSpecial Weather Statement
A Special Weather Statement is in effect for Concordia.
NWS Jackson MS
Where to swim in Louisiana
The most-reviewed, well-rated water destinations in Louisiana — check each one’s live conditions before you go.
4.6(652)Mandeville Lakefront Splash Park
This public park offers a children's splash park with water sprays & other facilities.
4.8(591)Northshore Lakefront
Grassy linear park along the shore of Lake Pontchartrain with a gravel path & wooden gazebo.
4.7(272)Caddo Lake
Canoeing & fishing site amid cypress trees, Spanish moss, bayous, ponds & alligators plus cabins.
4.4(172)Amite River
The Amite River is a tributary of Lake Maurepas in Mississippi and Louisiana in the United States. It is about 117 miles long. It starts as two forks in southwestern Mississippi and flows south through Louisiana, passing Greater Baton Rouge, to Lake Maurepas. The lower 37 miles of the river is navigable.
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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.