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Coastal Waters Forecast for Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm (GMZ555) (Text-Only)
NWS Forecast for: Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm (GMZ555)
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 437 PM CST Thu Feb 5 2026		Print



Tonight: Northwest winds 15 to 20 knots, diminishing to 10 to 15 knots late this evening and overnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: northwest 2 feet at 3 seconds.

Friday: West winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: west 3 feet at 4 seconds.

Friday Night: Northwest winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: west 2 feet at 3 seconds.

Saturday: Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave detail: north 3 feet at 4 seconds.

Saturday Night: Northeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: northeast 2 feet at 4 seconds.

Sunday: East winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave detail: east 2 feet at 4 seconds, becoming east 1 foot at 4 seconds.

Sunday Night: South winds around 5 knots, becoming southwest after midnight. Seas 1 foot or less. Wave detail: east 1 foot at 4 seconds.

Monday: Northwest winds around 5 knots, becoming south in the afternoon. Seas 1 foot or less. Wave detail: east 1 foot at 4 seconds.

Monday Night: South winds around 5 knots. Seas 1 foot or less. Wave detail: southeast 1 foot at 5 seconds.

Tuesday: Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave detail: southeast 1 foot at 4 seconds. A slight chance of showers in the afternoon.

Tuesday Night: Southeast winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers.






Zone Forecast: Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm (GMZ555)

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