Air Quality Concerns; Fire Weather in the West; Flash Flooding in the Southeast

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Severe thunderstorms continue across the Northern Plains Read More >

Coastal Waters Forecast for Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm (GMZ555) (Text-Only)
NWS Forecast for: Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm (GMZ555)
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 1208 PM CDT Tue Aug 5 2025
Print


Rest Of Today: East winds around 5 knots, becoming south late. Seas 1 foot or less. Wave detail: southeast 1 foot at 4 seconds. A chance of showers and thunderstorms.

Tonight: South winds around 5 knots. Seas 1 foot or less. Wave detail: southeast 1 foot at 4 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight.

Wednesday: West winds around 5 knots. Seas 1 foot or less. Wave detail: south 1 foot at 4 seconds. Showers and thunderstorms likely, mainly in the morning.

Wednesday Night: West winds around 5 knots. Seas 1 foot or less. Wave detail: west 1 foot at 2 seconds and south 1 foot at 4 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight.

Thursday: North winds 5 to 10 knots, becoming northeast in the afternoon. Seas 1 foot or less. Wave detail: north 1 foot at 2 seconds and south 1 foot at 4 seconds. Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon.

Thursday Night: Northeast winds around 5 knots. Seas 1 foot or less. Wave detail: northeast 1 foot at 2 seconds and southeast 1 foot at 4 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight.

Friday: Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave detail: northeast 1 foot at 3 seconds and southeast 1 foot at 5 seconds. Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon.

Friday Night: East winds 5 to 10 knots. Seas 1 foot or less. Wave detail: southeast 1 foot at 5 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight.

Saturday: East winds 5 to 10 knots. Seas around 2 feet. Wave detail: east 1 foot at 4 seconds. Showers with thunderstorms likely in the morning, then showers likely with a chance of thunderstorms in the afternoon.

Saturday Night: Southeast winds 5 to 10 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave detail: east 1 foot at 3 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight.

winds and seas higher in and near thunderstorms.







Zone Forecast: Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm (GMZ555)

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