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Special Marine Warning

Active

Terrebonne Bay; 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

Status In Progress Started 20 minutes ago
Ends
Issued
Severity Severe
Urgency Immediate
Certainty Likely

Details

SMWLIX
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.
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