Coastal Waters Forecast for Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm (GMZ575) (Text-Only)
NWS Forecast for: Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm (GMZ575)
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 437 AM CST Wed Dec 3 2025
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Today: Northeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: northeast 2 feet at 5 seconds and west 1 foot at 6 seconds.

Tonight: East winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 5 seconds. A slight chance of showers after midnight.

Thursday: East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas around 2 feet, building to 3 to 5 feet, occasionally to 6 feet in the afternoon. Wave detail: southeast 2 feet at 4 seconds, becoming east 5 feet at 5 seconds. Showers likely in the morning, then showers with a slight chance of thunderstorms in the afternoon.

Thursday Night: Southeast winds 15 to 20 knots, becoming south after midnight. Seas 4 to 6 feet, occasionally to 8 feet, subsiding to 3 to 4 feet, occasionally to 5 feet after midnight. Wave detail: east 5 feet at 6 seconds, becoming east 4 feet at 6 seconds and southwest 1 foot at 5 seconds. A slight chance of thunderstorms. Showers likely, mainly in the evening.

Friday: Southwest winds around 15 knots, becoming west in the afternoon. Gusts up to 25 knots. Seas 2 to 3 feet. Wave detail: east 3 feet at 6 seconds and southwest 2 feet at 4 seconds. Showers likely with a slight chance of thunderstorms.

Friday Night: North winds 10 to 15 knots. Seas around 2 feet. Wave detail: south 2 feet at 5 seconds and north 1 foot at 3 seconds. Showers.

Saturday: East winds around 10 knots, becoming northwest in the afternoon. Seas around 2 feet. Wave detail: northeast 2 feet at 4 seconds and south 2 feet at 5 seconds. A slight chance of thunderstorms. Showers.

Saturday Night: Northeast winds around 10 knots. Seas 2 to 3 feet. Wave detail: south 3 feet at 5 seconds and northeast 2 feet at 4 seconds. A chance of thunderstorms. Showers.

Sunday: North winds around 10 knots. Seas 2 to 3 feet. Wave detail: northeast 3 feet at 5 seconds and southwest 1 foot at 5 seconds. A slight chance of thunderstorms. A chance of showers, mainly in the morning.

Sunday Night: North winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: northeast 3 feet at 5 seconds and south 1 foot at 5 seconds. A slight chance of showers.

winds and seas higher in and near thunderstorms.







Zone Forecast: Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm (GMZ575)

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