| 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: 206 PM CDT Thu Mar 19 2026 | |
| This Afternoon: Northeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 5 seconds. Tonight: East winds around 5 knots. Seas 2 to 3 feet. Wave detail: east 2 feet at 6 seconds. Friday: East winds around 5 knots. Seas 2 to 3 feet. Wave detail: east 2 feet at 6 seconds. Friday Night: Southwest winds around 5 knots, increasing to 5 to 10 knots after midnight. Seas around 2 feet. Wave detail: east 2 feet at 6 seconds. Saturday: Southwest winds 5 to 10 knots. Seas around 2 feet. Wave detail: west 1 foot at 3 seconds and southeast 1 foot at 6 seconds. Saturday Night: Southwest winds 5 to 10 knots. Seas around 2 feet. Wave detail: west 2 feet at 4 seconds and southeast 1 foot at 6 seconds. Sunday: Southwest winds 5 to 10 knots. Seas around 2 feet. Wave detail: southwest 2 feet at 4 seconds and southeast 1 foot at 6 seconds. Sunday Night: Southwest winds 5 to 10 knots. Seas around 2 feet. Wave detail: south 2 feet at 6 seconds. Monday: Southwest winds around 5 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave detail: south 2 feet at 6 seconds, becoming southwest 1 foot at 6 seconds. Monday Night: West winds around 5 knots. Seas 1 foot or less. Wave detail: east 1 foot at 3 seconds and northwest 1 foot at 5 seconds. | |
| Zone Forecast: Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM (GMZ570) | |
Visit your local NWS office at: https://www.weather.gov/lix |