| 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 Thu Apr 16 2026 | |
| Tonight: South winds 5 to 10 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. Sunday: North winds 15 to 20 knots, becoming northeast 20 to 25 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet in the afternoon. Wave detail: southeast 4 feet at 5 seconds and north 3 feet at 4 seconds, becoming northeast 6 feet at 6 seconds. A slight chance of showers and 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 5 to 7 feet, occasionally to 9 feet. Wave detail: northeast 7 feet at 7 seconds. Monday Night: East winds 15 to 20 knots. 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. Tuesday Night: East winds 15 to 20 knots, diminishing to 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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