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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 Tue Feb 10 2026		Print

Today: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: south 1 foot at 3 seconds.

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

Wednesday: South winds around 5 knots, becoming southwest in the afternoon. Seas around 2 feet. Wave detail: south 2 feet at 5 seconds. A chance of showers. Visibility 1 nm or less in the morning.

Wednesday Night: Northwest winds around 5 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 5 seconds. A slight chance of showers.

Thursday: Northeast winds around 5 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds. A slight chance of showers.

Thursday Night: Southeast winds around 5 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds. A slight chance of showers.

Friday: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds and southeast 1 foot at 3 seconds. A slight chance of showers.

Friday Night: Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 4 seconds. A slight chance of showers.

Saturday: South winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: south 5 feet at 5 seconds. A chance of showers.

Saturday Night: Southwest winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: south 6 feet at 6 seconds. Showers likely. A slight chance of thunderstorms after midnight.

winds and seas higher in and near thunderstorms.






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

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