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Ended official alertUpdated

Special Marine Warning for Breton Sound; Chandeleur Sound; Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm +3 more

This alert has ended.Kept for recent context. Do not use it as a current warning.

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... Breton Sound... Chandeleur Sound... Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm... Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60...

What the bulletin says to do

Strong winds will be dangerous for boaters or anyone near the water. Make sure all on board are wearing life jackets. Seek shelter or move to safe harbor until hazardous weather passes.

Full official description

Bulletin details

SMWLIX The National Weather Service in New Orleans has issued a * Special Marine Warning for... Breton Sound... Chandeleur Sound... Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm... Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm... Coastal waters from Pascagoula Mississippi to Stake Island Louisiana out 20 to 60 NM... Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM... * Until 945 PM CDT. * At 845 PM CDT, a cluster of severe thunderstorms capable of producing waterspouts was located along a line extending from 23 nm southwest of Farewell Buoy to 27 nm southeast of Chandeleur Sound to 10 nm southeast of Breton Sound, moving southeast at 20 knots. HAZARD...Waterspouts, wind gusts to 40 knots, and small hail. 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 cluster of severe thunderstorms will remain over mainly open waters.

Lifecycle record

Official revisions

1 captured
  1. Alert

    Special Marine Warning issued August 21 at 8:45PM CDT until August 21 at 9:45PM 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.

CAP status
Actual
Message type
Alert
Last collected
Methodology and corrections