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 Sat Feb 7 2026
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Today: North winds around 15 knots, becoming northeast late this morning and afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: west 4 feet at 6 seconds and northeast 3 feet at 4 seconds.

Tonight: East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: northeast 3 feet at 4 seconds and west 2 feet at 6 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: Southeast winds around 5 knots. Seas 1 foot or less. Wave detail: east 1 foot at 5 seconds.

Monday: Southeast winds around 5 knots. Seas 1 foot or less. Wave detail: east 1 foot at 4 seconds.

Monday Night: Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave detail: southeast 1 foot at 4 seconds.

Tuesday: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 4 seconds. A slight chance of showers in the afternoon.

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

Wednesday: South winds 5 to 10 knots. Seas around 2 feet. Wave detail: south 2 feet at 5 seconds. A chance of showers, mainly in the morning.

Wednesday Night: South winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds. A slight 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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