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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: 537 PM CDT Wed Jun 3 2026

Small Craft Advisory Tonight: East winds 20 to 25 knots with gusts up to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: east 7 feet at 8 seconds. A chance of thunderstorms. Showers, mainly this evening. Thursday: East winds 20 to 25 knots with gusts up to 30 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave detail: east 8 feet at 8 seconds. A chance of showers and thunderstorms. Thursday Night: East winds 20 to 25 knots with gusts up to 30 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave detail: east 8 feet at 8 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Friday: Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: southeast 6 feet at 8 seconds. A chance of thunderstorms. Showers. Friday Night: Southeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: southeast 6 feet at 8 seconds. Showers likely. A chance of thunderstorms, mainly in the evening. Saturday: South winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: southeast 5 feet at 7 seconds. Showers likely with a chance of thunderstorms in the morning, then a slight chance of showers and thunderstorms in the afternoon. Saturday Night: South winds around 10 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds. A slight chance of showers and thunderstorms. Sunday: South winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds. A slight chance of showers and thunderstorms in the morning. Sunday Night: South winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds. Monday: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 5 seconds. Monday Night: Southeast winds 5 to 10 knots. Seas around 2 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 (GMZ554)
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