Coastal Waters Forecast for Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM (GMZ572) (Text-Only)
NWS Forecast for: Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM (GMZ572)
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 437 AM CST Sun Dec 7 2025




Today: South winds 5 to 10 knots, becoming west late this morning, then becoming north this afternoon. Seas around 2 feet. Wave detail: east 2 feet at 5 seconds. A chance of thunderstorms. Visibility 1 nm or less early this afternoon.

Tonight: North winds 10 to 15 knots with gusts up to 20 knots, increasing to 20 to 25 knots with gusts up to 35 knots after midnight. Seas around 2 feet, building to 3 to 5 feet, occasionally to 6 feet after midnight. Wave detail: east 2 feet at 5 seconds and northwest 1 foot at 3 seconds, becoming southwest 5 feet at 5 seconds and north 3 feet at 3 seconds. A slight chance of thunderstorms. A chance of showers, mainly in the evening.

Monday: North winds 20 to 25 knots with gusts up to 35 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: north 6 feet at 6 seconds. A slight chance of showers in the morning.

Monday Night: Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: north 5 feet at 6 seconds.

Tuesday: Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: northeast 3 feet at 5 seconds.

Tuesday Night: East winds around 5 knots, becoming south after midnight. Seas around 2 feet. Wave detail: east 2 feet at 5 seconds.

Wednesday: Southwest winds 5 to 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 6 seconds and southwest 1 foot at 2 seconds.

Wednesday Night: Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southwest 2 feet at 4 seconds and east 1 foot at 5 seconds.

Thursday: Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southwest 3 feet at 5 seconds and east 1 foot at 5 seconds.

Thursday Night: Southwest winds 10 to 15 knots. Seas around 3 feet. Wave detail: south 3 feet at 5 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight.

winds and seas higher in and near thunderstorms.







Zone Forecast: Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM (GMZ572)

Visit your local NWS office at: https://www.weather.gov/lix