Coastal Waters Forecast for Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm (GMZ554) (Text-Only)
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: 201 AM CDT Fri Apr 17 2026


Rest Of Tonight: South winds around 5 knots. Seas around 2 feet. Wave detail: south 2 feet at 6 seconds.

Friday: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: south 2 feet at 6 seconds.

Friday Night: South winds 5 to 10 knots. Seas around 2 feet. Wave detail: south 2 feet at 6 seconds.

Saturday: South winds 5 to 10 knots. Seas around 2 feet. Wave detail: south 2 feet at 5 seconds.

Saturday Night: South winds 5 to 10 knots, becoming west after midnight. Seas around 2 feet. Wave detail: south 1 foot at 6 seconds. A slight chance of showers after midnight.

Sunday: North winds 20 to 25 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: north 6 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms in the morning.

Sunday Night: Northeast winds 20 to 25 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: northeast 6 feet at 7 seconds.

Monday: Northeast winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: northeast 6 feet at 7 seconds.

Monday Night: East winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 8 seconds.

Tuesday: East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: east 6 feet at 7 seconds. A slight chance of showers and thunderstorms in the afternoon.

Tuesday Night: East winds 15 to 20 knots, becoming southeast 10 to 15 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of showers.

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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