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: 209 PM CDT Mon Apr 28 2025
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Tonight: Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds.

Tuesday: Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds.

Tuesday Night: Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 3 feet at 6 seconds.

Wednesday: Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas around 4 feet, occasionally to 5 feet. Wave detail: southeast 3 feet at 6 seconds.

Wednesday Night: Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas around 4 feet, occasionally to 5 feet. Wave detail: southeast 3 feet at 6 seconds.

Thursday: Southeast winds 10 to 15 knots. Seas around 4 feet, occasionally to 5 feet. Wave detail: south 3 feet at 6 seconds. A slight chance of showers and thunderstorms in the afternoon.

Thursday Night: Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms.

Friday: South winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers with a slight chance of thunderstorms.

Friday Night: Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.

Saturday: East winds 5 to 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms.

Saturday Night: East winds 5 to 10 knots. Seas 2 to 3 feet. A slight chance of showers and 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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