| 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: 537 PM CDT Tue Aug 11 2026 |  |
| Tonight: South winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 5 seconds. Wednesday: Southwest winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds. Wednesday Night: South winds 5 to 10 knots. Seas around 2 feet. Wave detail: southwest 2 feet at 4 seconds and southeast 2 feet at 7 seconds. Thursday: South winds 5 to 10 knots. Seas around 2 feet. Wave detail: south 2 feet at 5 seconds. Thursday Night: South winds 5 to 10 knots. Seas around 2 feet. Wave detail: south 2 feet at 5 seconds. Friday: Southeast winds around 5 knots. Seas around 2 feet. Wave detail: south 2 feet at 5 seconds. Friday Night: South winds 5 to 10 knots. Seas around 2 feet. Wave detail: south 1 foot at 5 seconds. Saturday: Northeast winds around 5 knots. Seas around 2 feet. Wave detail: south 2 feet at 5 seconds. Saturday Night: Southeast winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet. Wave detail: south 1 foot at 5 seconds. Sunday: North winds around 5 knots, becoming east around 5 knots in the afternoon. Seas 1 foot or less. Wave detail: southeast 1 foot at 6 seconds. Sunday Night: South winds around 5 knots. Seas 1 foot or less. | |
| Zone Forecast: Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM (GMZ570) | |
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