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: 437 PM CST Sat Jan 17 2026




Tonight: North winds 25 to 30 knots. Seas 6 to 8 feet, occasionally to 10 feet, building to 7 to 10 feet, occasionally to 13 feet after midnight. Wave detail: north 8 feet at 6 seconds, becoming north 8 feet at 7 seconds. A chance of showers early this evening, then showers late this evening and early morning. A chance of showers late.

Sunday: North winds 20 to 25 knots, becoming northwest 15 to 20 knots in the afternoon. Seas 5 to 8 feet, occasionally to 10 feet, subsiding to 4 to 6 feet, occasionally to 8 feet in the afternoon. Wave detail: north 7 feet at 7 seconds, becoming north 5 feet at 7 seconds.

Sunday Night: North winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: north 4 feet at 6 seconds.

Monday: Northeast winds 10 to 15 knots. Seas around 2 feet. Wave detail: north 2 feet at 5 seconds.

Monday Night: Northeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: northeast 3 feet at 4 seconds.

Tuesday: Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: northeast 5 feet at 5 seconds.

Tuesday Night: East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: northeast 4 feet at 6 seconds.

Wednesday: Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 7 seconds.

Wednesday Night: Southeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A chance of showers in the evening, then showers likely with a slight chance of thunderstorms after midnight.

Thursday: Southeast winds 15 to 20 knots, becoming northeast in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: south 4 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms.

Thursday Night: Northeast winds around 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. A slight chance of showers.

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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