Coastal Storm Impacting the Mid-Atlantic; Remaining Unseasonably Warm in the Central U.S.

A coastal storm will bring widespread rain, gusty winds, shallow coastal flooding, rip currents, large surf and possible areal flooding over the Mid-Atlantic region through Wednesday. Unseasonably warm to hot temperatures persist in the mid to upper Mississippi Valley, Ohio Valley, and into the Great Lakes and Northeast U.S. through Friday. Read More >

Last Update: 1231 PM CDT Tue Sep 16 2025

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19NM SE Grand Isle LA

Marine Zone Forecast


This Afternoon
East winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: southeast 2 feet at 5 seconds.
Tonight
Southeast winds 5 to 10 knots, becoming east after midnight. Seas 1 to 2 feet. Wave detail: southeast 2 feet at 5 seconds.
Wednesday
Northeast winds 5 to 10 knots, becoming east in the afternoon. Seas 1 to 2 feet. Wave detail: east 2 feet at 4 seconds.
Wednesday Night
East winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: east 2 feet at 4 seconds.
Thursday
East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas around 2 feet. Wave detail: southeast 2 feet at 5 seconds. A slight chance of showers and thunderstorms in the afternoon.
Thursday Night
East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 1 to 2 feet. Wave detail: southeast 2 feet at 5 seconds. A slight chance of showers.
Friday
East winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds. A slight chance of showers and thunderstorms.
Friday Night
East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 1 to 2 feet. Wave detail: southeast 2 feet at 7 seconds. A slight chance of showers.
Saturday
East winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: southeast 2 feet at 6 seconds. A slight chance of showers. A slight chance of thunderstorms in the afternoon.
Saturday Night
East winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers. A slight chance of thunderstorms after midnight.

winds and seas higher in and near thunderstorms.




Winds and seas higher in and near thunderstorms.
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1231 PM CDT Tue Sep 16 2025
 
 

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