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Ended official alertUpdated

Special Marine Warning for Barataria Bay; Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm; Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM +2 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

For the following areas... Barataria 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... Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to...

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

For the following areas... Barataria 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... Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM... Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM... At 1129 PM CDT, a cluster of severe thunderstorms were located along a line extending from 13 nm southeast of Timbalier Island to 62 nm south of Southwest Pass Of the Mississippi River, moving southwest at 25 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Grand Isle and Louisiana Offshore Oil Port.

Lifecycle record

Official revisions

2 captured
  1. Update

    Special Marine Warning issued July 20 at 11:29PM CDT until July 21 at 12:15AM CDT by NWS New Orleans LA

    Official revision
  2. Alert

    Special Marine Warning issued July 20 at 10:17PM CDT until July 21 at 12:15AM 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
Update
Last collected
Methodology and corrections