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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 +1 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 Pascagoula Mississippi to Stake Island out 20 NM... * Until 915 PM CDT. *...

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. Boaters should seek safe harbor immediately until these storms pass. Wind gusts to 40 knots, high waves, dangerous lightning, and heavy rain are possible with these storms. Frequent lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.

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 Pascagoula Mississippi to Stake Island out 20 NM... * Until 915 PM CDT. * At 740 PM CDT, a cluster of severe thunderstorms was located along a line extending from 17 nm southwest of Horn Island to 7 nm south of Chandeleur Sound to 14 nm east of Yscloskey, moving south at 10 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Breton Sound.

Lifecycle record

Official revisions

1 captured
  1. Alert

    Special Marine Warning issued August 21 at 7:40PM CDT until August 21 at 9:15PM 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