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: 1230 AM CDT Wed Oct 15 2025
Print


Rest Of Tonight: Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave detail: northeast 1 foot at 3 seconds.

Wednesday: East winds 5 to 10 knots. Seas 1 foot or less. Wave detail: northeast 1 foot at 3 seconds.

Wednesday Night: East winds 5 to 10 knots. Seas around 2 feet. Wave detail: east 1 foot at 4 seconds.

Thursday: East winds 5 to 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 4 seconds.

Thursday Night: East winds 5 to 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 4 seconds.

Friday: Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 6 seconds.

Friday Night: Southeast winds around 15 knots with gusts up to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: southeast 4 feet at 6 seconds.

Saturday: Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 6 seconds. A slight chance of showers and thunderstorms in the afternoon.

Saturday Night: Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 6 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight.

Sunday: Southwest winds around 10 knots, becoming northwest in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 6 seconds and west 1 foot at 2 seconds. A chance of showers with a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon.

Sunday Night: Northeast winds 10 to 15 knots. Seas 2 to 3 feet.

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 (GMZ555)

Visit your local NWS office at: https://www.weather.gov/lix