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Coastal Waters Forecast for Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM (GMZ552) (Text-Only)
NWS Forecast for: Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM (GMZ552)
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 437 PM CST Wed Feb 11 2026		Print

Tonight: West winds around 5 knots, becoming north late. Seas 1 to 2 feet. Wave detail: southwest 2 feet at 5 seconds. Widespread fog late this evening.

Thursday: Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: south 2 feet at 5 seconds and northeast 1 foot at 2 seconds. Patchy fog in the morning with visibility 1 nm or less.

Thursday Night: East winds around 5 knots. Seas 1 to 2 feet. Wave detail: southeast 2 feet at 6 seconds and northeast 1 foot at 2 seconds. A slight chance of showers.

Friday: East winds 5 to 10 knots. Seas 1 foot or less. Wave detail: east 1 foot at 2 seconds and southeast 1 foot at 6 seconds.

Friday Night: Southeast winds 5 to 10 knots. Seas 1 foot or less, then 1 to 2 feet after midnight. Wave detail: southeast 1 foot at 4 seconds, becoming southeast 2 feet at 4 seconds.

Saturday: Southeast winds around 10 knots, increasing to 20 to 25 knots with gusts up to 30 knots in the afternoon. Seas 1 to 2 feet, building to 2 to 4 feet, occasionally to 5 feet in the afternoon. Wave detail: southeast 2 feet at 4 seconds, becoming southeast 4 feet at 4 seconds. A slight chance of showers in the morning, then a chance of showers in the afternoon.

Saturday Night: South winds 20 to 25 knots, becoming southwest 25 to 30 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: south 6 feet at 7 seconds. Showers likely in the evening, then showers with a chance of thunderstorms after midnight.

Sunday: West winds 25 to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: southwest 6 feet at 7 seconds. A chance of showers. A chance of thunderstorms, mainly in the morning.

Sunday Night: Northwest winds 20 to 25 knots, becoming north 10 to 15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: northwest 5 feet at 7 seconds.

Monday: North winds 10 to 15 knots, becoming northeast 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave detail: south 3 feet at 7 seconds and north 2 feet at 3 seconds.

Monday Night: East winds 5 to 10 knots. Seas 1 to 2 feet.

winds and seas higher in and near thunderstorms.






Zone Forecast: Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM (GMZ552)

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