| NWS Forecast for: Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm (GMZ550) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 1126 PM CST Thu Feb 26 2026 |  |
| Rest Of Tonight: Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: south 3 feet at 7 seconds. A slight chance of showers late this evening, then a chance of showers late. Patchy fog. Friday: Southwest winds around 5 knots, becoming north in the afternoon. Seas 2 to 3 feet. Wave detail: south 3 feet at 7 seconds. A chance of showers in the morning. Patchy fog in the morning. Friday Night: Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: south 2 feet at 6 seconds and east 1 foot at 2 seconds. Patchy fog after midnight. Saturday: Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: south 2 feet at 6 seconds and northeast 1 foot at 3 seconds. Patchy fog in the morning with visibility 1 nm or less. Saturday Night: East winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: east 1 foot at 4 seconds and south 1 foot at 6 seconds. Sunday: East winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: east 2 feet at 4 seconds and south 1 foot at 5 seconds. Sunday Night: East winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: east 2 feet at 4 seconds. Monday: East winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: southeast 2 feet at 5 seconds. Monday Night: East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: east 2 feet at 5 seconds. Tuesday: Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 5 seconds. Tuesday Night: Southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. | |
| Zone Forecast: Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm (GMZ550) | |
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