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Weather / Marine Weather Statement

MinorExpired

Marine Weather Statement issued September 6 at 7:27AM CDT by NWS New Orleans LA

Terrebonne 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; Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River 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

Urgency: Expected
Certainty: Observed
Onset: 9/6/2026, 12:27:00 PM
Expires: 9/6/2026, 1:30:00 PM

Details

A Marine Weather Statement has been issued for the following areas... Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm... 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... Terrebonne Bay... At 727 AM CDT, Doppler radar indicated a cluster of strong thunderstorms, capable of producing winds to around 30 knots and weak waterspouts. This cluster of thunderstorms is generally located along a line extending from 7 nm south of Timbalier Island to 8 nm northwest of Southwest Pass Of the Mississippi River, moving east at 35 knots.

What To Do

Mariners can expect widespread 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. Report severe weather to the Coast Guard or nearest law enforcement agency. They will relay your report to the National Weather Service forecast office.

Affected States

LouisianaMississippi

Other Active Marine Weather Statement Alerts

Marine Weather Statement issued September 6 at 8:00AM CDT by NWS Mobile AL
Coastal waters from Okaloosa-Walton County Line to Pensacola FL out 20 NM

Source: National Weather Service.

Marine Weather Statement — Terrebonne 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; Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River 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 | Now in USA