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: 156 PM CDT Wed Jun 3 2026




This Afternoon: East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 5 seconds. A chance of thunderstorms. A chance of showers early, then showers likely late.

Tonight: East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to 6 to 7 feet, occasionally to 9 feet after midnight. Wave detail: southeast 5 feet at 6 seconds, becoming east 7 feet at 8 seconds. A chance of thunderstorms. Showers.

Thursday: East winds 20 to 25 knots with gusts up to 30 knots. Seas 7 to 8 feet, occasionally to 10 feet, building to 8 to 10 feet, occasionally to 13 feet in the afternoon. Wave detail: east 8 feet at 8 seconds, becoming east 9 feet at 8 seconds. A chance of thunderstorms. Showers.

Thursday Night: Southeast winds 20 to 25 knots with gusts up to 30 knots. Seas 9 to 10 feet, occasionally to 13 feet, subsiding to 7 to 8 feet, occasionally to 10 feet after midnight. Wave detail: east 10 feet at 8 seconds, becoming east 8 feet at 8 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight.

Friday: Southeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: east 7 feet at 8 seconds. A chance of thunderstorms. Showers.

Friday Night: Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave detail: southeast 6 feet at 8 seconds. A chance of showers. A chance of thunderstorms, mainly in the evening.

Saturday: South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A chance of showers and thunderstorms.

Saturday Night: South winds 10 to 15 knots. Seas around 3 feet. Wave detail: southeast 3 feet at 6 seconds.

Sunday: South winds around 10 knots. Seas around 3 feet. Wave detail: southeast 3 feet at 6 seconds. A slight chance of showers and thunderstorms in the morning.

Sunday Night: Southeast winds around 10 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds.

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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