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Ended official alertUpdated

Marine Weather Statement for 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; Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 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
Minor
Official urgency
Expected
Official certainty
Observed

What is happening

A Marine Weather Statement has been issued for the following areas... 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...

What the bulletin says to do

Mariners can expect gusty winds to around 30 knots, higher waves and dangerous lightning strikes. Boaters should seek safe harbor immediately until this activity passes. Brief, weak waterspouts are possible with this activity. Remain on alert in case warnings are issued for waterspout development. A special marine warning may eventually be required. Boaters should consider heading for shore before these storms arrive.

Full official description

Bulletin details

A Marine Weather Statement has been issued for the following areas... 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 1222 PM CDT, Doppler radar indicated strong thunderstorms, capable of producing winds of 25 to 30 knots and weak waterspouts. These thunderstorms are generally located along a line extending from 23 nm south of Isle Derniers to 11 nm south of Timbalier Island to near Louisiana Offshore Oil Port to 16 nm southwest of Southwest Pass Of the Mississippi River, moving southwest at 10 knots.

Lifecycle record

Official revisions

1 captured
  1. Alert

    Marine Weather Statement issued August 30 at 12:24PM 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