Coastal Waters Forecast for Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM (GMZ553) (Text-Only)
NWS Forecast for: Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM (GMZ553)
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 156 PM CDT Sat Oct 24 2026
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This Afternoon: Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 5 seconds.

Tonight: East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet.

Sunday: Northeast winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet.

Sunday Night: Northeast winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: east 6 feet at 8 seconds.

Monday: Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 8 seconds.

Monday Night: East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 8 seconds.

Tuesday: East winds around 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 7 seconds.

Tuesday Night: East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 6 seconds.

Wednesday: East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: east 4 feet at 6 seconds.

Wednesday Night: East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: east 4 feet at 6 seconds.







Zone Forecast: Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM (GMZ553)

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