Coastal Waters Forecast for Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM (GMZ572) (Text-Only)
NWS Forecast for: Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM (GMZ572)
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 611 PM CDT Wed Aug 26 2026


Tonight: Southwest winds around 5 knots. Seas 1 foot or less. Wave detail: northwest 1 foot at 3 seconds.

Thursday: West winds around 5 knots. Seas 1 foot or less. Wave detail: southwest 1 foot at 2 seconds. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon.

Thursday Night: South winds around 5 knots. Seas 1 foot or less. Wave detail: southwest 1 foot at 3 seconds. A slight chance of showers in the evening, then a chance of showers and thunderstorms after midnight.

Friday: West winds around 5 knots. Seas 1 foot or less. Wave detail: west 1 foot at 3 seconds. A chance of thunderstorms. Showers.

Friday Night: South winds around 5 knots. Seas 1 foot or less. Wave detail: west 1 foot at 3 seconds and southeast 1 foot at 4 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight.

Saturday: Southeast winds around 5 knots. Seas 1 foot or less. Wave detail: west 1 foot at 4 seconds and southeast 1 foot at 6 seconds. A chance of showers. A chance of thunderstorms, mainly in the morning.

Saturday Night: Southeast winds around 5 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave detail: west 1 foot at 4 seconds and southeast 1 foot at 5 seconds, becoming southeast 1 foot at 3 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight.

Sunday: Southeast winds around 5 knots. Seas 1 foot or less. Wave detail: southeast 1 foot at 4 seconds. A chance of showers and thunderstorms.

Sunday Night: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 4 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight.

Monday: Southeast winds around 5 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 4 seconds. A chance of showers and thunderstorms.

Monday Night: Southeast winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight.

winds and seas higher in and near thunderstorms.







Zone Forecast: Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM (GMZ572)

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