| 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: 1006 PM CST Sun Nov 9 2025 |  |
Overnight: North winds 25 to 30 knots. Seas 8 to 11 feet, occasionally to 14 feet. Wave detail: north 9 feet at 7 seconds. Monday: North winds 20 to 25 knots with gusts up to 30 knots. Seas 8 to 11 feet, occasionally to 14 feet, subsiding to 6 to 9 feet, occasionally to 11 feet in the afternoon. Wave detail: north 8 feet at 7 seconds, becoming north 6 feet at 7 seconds. Monday Night: North winds 20 to 25 knots, becoming northeast 15 to 20 knots after midnight. Seas 5 to 8 feet, occasionally to 10 feet. Wave detail: north 5 feet at 7 seconds. Tuesday: Northeast winds 10 to 15 knots, becoming east 5 to 10 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: north 4 feet at 6 seconds. Tuesday Night: South winds 10 to 15 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 5 seconds. Wednesday: South winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 5 seconds. Wednesday Night: Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: south 2 feet at 5 seconds. Thursday: East winds 5 to 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 6 seconds and southwest 1 foot at 6 seconds. Thursday Night: Southeast winds around 10 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 7 seconds and southwest 1 foot at 6 seconds. Friday: Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 7 seconds and southwest 1 foot at 6 seconds. Friday Night: Southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. | |
| Zone Forecast: Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM (GMZ570) | |
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