Coastal Waters Forecast for Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM (GMZ570) (Text-Only)
NWS Forecast for: Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM (GMZ570)
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 437 AM CST Fri Feb 6 2026
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Today: West winds 15 to 20 knots with gusts up to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: west 5 feet at 6 seconds.

Tonight: Northwest winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: west 5 feet at 6 seconds.

Saturday: Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: northeast 3 feet at 4 seconds and west 3 feet at 6 seconds.

Saturday Night: East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: northeast 3 feet at 5 seconds and west 1 foot at 5 seconds.

Sunday: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 4 seconds and west 1 foot at 5 seconds.

Sunday Night: South winds around 5 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave detail: east 1 foot at 5 seconds.

Monday: South winds 5 to 10 knots. Seas 1 foot or less. Wave detail: east 1 foot at 5 seconds.

Monday Night: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 1 foot at 4 seconds.

Tuesday: Southeast winds around 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 4 seconds. A slight chance of showers in the morning, then a chance of showers in the afternoon.

Tuesday Night: South winds 5 to 10 knots. Seas around 2 feet. Wave detail: south 2 feet at 5 seconds. A chance of showers.







Zone Forecast: Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM (GMZ570)

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