| 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: 1153 AM CDT Wed May 21 2025 | |
| This Afternoon: West winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southwest 3 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms. Tonight: Northeast winds around 5 knots, becoming south after midnight. Seas around 2 feet. Wave detail: south 2 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms after midnight. Thursday: North winds 5 to 10 knots, becoming east in the afternoon. Seas around 2 feet. Wave detail: southwest 2 feet at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. Thursday Night: South winds around 5 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave detail: south 2 feet at 5 seconds, becoming south 1 foot at 5 seconds. Friday: Northwest winds around 5 knots, becoming east in the afternoon. Seas 1 foot or less. Wave detail: northeast 1 foot at 3 seconds and west 1 foot at 5 seconds. A slight chance of showers in the morning. Friday Night: Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave detail: southeast 1 foot at 4 seconds. Saturday: Southeast winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet in the afternoon. Wave detail: southeast 1 foot at 4 seconds, becoming southeast 2 feet at 4 seconds. A slight chance of showers and thunderstorms in the afternoon. Saturday Night: Southeast winds around 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 4 seconds. Sunday: South winds around 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 4 seconds. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Sunday Night: South winds around 10 knots. Seas around 2 feet. Wave detail: south 2 feet at 4 seconds. A slight chance of showers and thunderstorms after midnight. 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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