Last Update: 1250 PM EST Wed Dec 31 2025

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Charleston, SC Local Forecast Office

27NM NE Altamaha Sound FL

Marine Zone Forecast


This Afternoon
W winds 10 to 15 kt. Seas 2 ft. Wave detail: W 2 ft at 3 seconds and E 1 foot at 8 seconds.
Tonight
W winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft. Wave detail: W 3 ft at 4 seconds and E 1 foot at 8 seconds.
Thu
W winds 15 to 20 kt with gusts to 25 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave detail: W 3 ft at 4 seconds and E 1 foot at 8 seconds.
Thu Night
W winds 10 to 15 kt. Seas 2 ft. Wave detail: W 2 ft at 3 seconds and E 1 foot at 8 seconds.
Fri
W winds 10 kt. Seas 1 to 2 ft. Wave detail: W 2 ft at 3 seconds and E 1 foot at 8 seconds, becoming SW 1 foot at 3 seconds.
Fri Night
SW winds 10 to 15 kt. Seas 1 foot or less, then around 2 ft after midnight. Wave detail: SW 1 foot at 3 seconds, becoming SW 2 ft at 3 seconds and E 1 foot at 14 seconds. A chance of showers after midnight.
Sat
SW winds 15 to 20 kt. Seas 3 to 4 ft. Showers.
Sat Night
W winds 15 kt. Seas 3 to 4 ft. Showers with a chance of tstms.
Sun
N winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers.
Sun Night
NE winds 10 to 15 kt. Seas 2 ft.

winds and seas higher in and near tstms.




Winds and seas higher in and near tstms.
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1250 PM EST Wed Dec 31 2025
 
 

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