Active Weather Alerts
Special Marine Warning
Issued: 4:04 AM Sep. 1, 2026 – National Weather Service
The National Weather Service in New Orleans has issued a * Special Marine Warning for... Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm... Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM... Terrebonne Bay... * Until 100 AM CDT. * At 1104 PM CDT, a cluster of severe thunderstorms capable of producing waterspouts was located near Isle Derniers, moving northwest at 45 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Waterspouts can quickly form and capsize boats...damage vessels and oil rigs...and create suddenly higher waves. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Isle Derniers, Caillou Bay, and Timbalier Island. PRECAUTIONARY/PREPAREDNESS ACTIONS... Strong winds will be dangerous for boaters or anyone near the water. Boaters should avoid waterspouts and never try to navigate near them. Make sure all on board are wearing life jackets. Seek shelter or move to safe harbor until hazardous weather passes. && WATERSPOUT...POSSIBLE; HAIL...0.00IN; WIND...>34KTS
Small Craft Advisory
Issued: 3:20 PM Aug. 31, 2026 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CDT TUESDAY... * WHAT...Southeast winds 20 to 25 kt with gusts up to 30 kt. A few gusts to gale force are possible in and near thunderstorms. * WHERE...Terrebonne Bay, Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm and Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM. * WHEN...Until 6 AM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
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