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: 1003 AM CDT Thu Oct 8 2026
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Rest Of Today: Tropical storm conditions possible. Northeast winds 15 to 20 knots, becoming east 20 to 25 knots this afternoon. Seas 9 to 10 feet, occasionally to 13 feet. Wave detail: east 10 feet at 8 seconds and south 1 foot at 8 seconds. Showers with a chance of thunderstorms.

Tonight: Tropical storm conditions expected. East winds 20 to 25 knots, increasing to 25 to 30 knots after midnight. Seas 11 to 13 feet, occasionally to 17 feet. Wave detail: east 13 feet at 8 seconds. A chance of thunderstorms. Showers.

Friday: Tropical storm conditions expected. Northeast winds 25 to 30 knots. Seas 14 to 17 feet, occasionally to 22 feet, building to 16 to 20 feet, occasionally to 25 feet in the afternoon. Wave detail: east 19 feet at 12 seconds. A chance of thunderstorms.

Friday Night: Tropical storm conditions possible. North winds 25 to 30 knots, becoming northwest 15 to 20 knots after midnight. Seas 14 to 17 feet, occasionally to 22 feet, subsiding to 11 to 14 feet, occasionally to 18 feet after midnight. Wave detail: east 17 feet at 12 seconds. A chance of thunderstorms. Showers until early morning, then a chance of showers late.

Saturday: Northwest winds around 10 knots. Seas 7 to 10 feet, occasionally to 13 feet, subsiding to 5 to 7 feet, occasionally to 9 feet in the afternoon. Wave detail: northwest 9 feet at 7 seconds and east 8 feet at 9 seconds. A chance of thunderstorms in the morning. A chance of showers. A slight chance of thunderstorms early in the afternoon.

Saturday Night: Northwest winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: west 4 feet at 6 seconds and southeast 4 feet at 8 seconds. A chance of showers early in the evening, then a slight chance of showers in the late evening and overnight.

Sunday: Northwest winds 5 to 10 knots, becoming northeast in the afternoon. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 7 seconds and west 2 feet at 4 seconds. A slight chance of showers.

Sunday Night: East winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds and northwest 1 foot at 3 seconds.

Monday: East winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 5 seconds. A slight chance of showers and thunderstorms.

Monday Night: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 4 seconds. A slight chance of showers early in the evening.

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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