| NWS Forecast for: Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm (GMZ554) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 536 AM CDT Wed Aug 12 2026 | |
| Today: Southwest winds 5 to 10 knots. Seas around 2 feet. Wave detail: south 2 feet at 6 seconds. A slight chance of showers and thunderstorms late this morning and early afternoon. Tonight: Southwest winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 7 seconds and southwest 1 foot at 3 seconds. Thursday: Southwest winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds and west 1 foot at 3 seconds. Thursday Night: Southwest winds 5 to 10 knots. Seas around 2 feet. Wave detail: southwest 1 foot at 3 seconds and south 1 foot at 6 seconds. Friday: West winds around 5 knots. Seas 1 foot or less. Wave detail: west 1 foot at 2 seconds and south 1 foot at 6 seconds. Friday Night: Southwest winds around 5 knots. Seas 1 foot or less. Wave detail: south 1 foot at 5 seconds. Saturday: Northwest winds around 5 knots, becoming northeast around 5 knots in the afternoon. Seas 1 foot or less. Wave detail: northwest 1 foot at 2 seconds and south 1 foot at 5 seconds. Saturday Night: South winds around 5 knots. Seas 1 foot or less. Wave detail: south 1 foot at 6 seconds. Sunday: Northwest winds around 5 knots, becoming southeast around 5 knots in the afternoon. Seas 1 foot or less. Wave detail: west 1 foot at 2 seconds and south 1 foot at 6 seconds. Sunday Night: Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave detail: southwest 1 foot at 2 seconds and south 1 foot at 5 seconds. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm (GMZ554) | |
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