Special Marine Warning for Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm
Official alert fields
What you need to know
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
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... * Until 1045 PM CDT. * At 949 PM CDT, a severe thunderstorm capable of producing waterspouts was located 7 nm east of Point Au Fer Island,...
What the bulletin says to do
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. Report severe weather to the Coast Guard or the National Weather Service.
Full official description
Bulletin 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... * Until 1045 PM CDT. * At 949 PM CDT, a severe thunderstorm capable of producing waterspouts was located 7 nm east of Point Au Fer Island, moving southwest at 20 knots. HAZARD...Waterspouts and wind gusts to 40 knots. 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. * The severe thunderstorm will remain over mainly open waters.
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued July 21 at 9:50PM CDT until July 21 at 10:45PM CDT by NWS New Orleans LA
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS New Orleans LA. This page reorganizes official fields and does not add a forecast or expand the affected area.
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