Last Update: 530 PM EDT Mon Jul 27 2026

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Charleston, SC Local Forecast Office

27NM NE Altamaha Sound FL

Marine Zone Forecast


Tonight
SE winds 5 to 10 kt, becoming S after midnight. Seas 1 to 2 ft. Wave detail: E 2 ft at 8 seconds and S 1 foot at 4 seconds.
Tue
SW winds 5 kt, becoming S 10 to 15 kt in the afternoon. Seas 1 to 2 ft. Wave detail: S 2 ft at 3 seconds and SE 2 ft at 8 seconds.
Tue Night
SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave detail: S 3 ft at 4 seconds and E 1 foot at 8 seconds.
Wed
SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: SW 3 ft at 5 seconds and SE 1 foot at 8 seconds. Showers and tstms likely in the afternoon.
Wed Night
SW winds 10 to 15 kt with gusts to 20 kt. Seas 2 to 3 ft. Wave detail: SW 3 ft at 4 seconds and SE 1 foot at 9 seconds. Showers and tstms likely in the evening, then a chance of showers after midnight.
Thu
NW winds 10 to 15 kt, becoming S 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave detail: W 3 ft at 4 seconds and SE 1 foot at 9 seconds. A slight chance of showers and tstms in the afternoon.
Thu Night
S winds 5 to 10 kt, becoming SW after midnight. Seas 2 ft.
Fri
SW winds 5 to 10 kt. Seas 2 ft.
Fri Night
S winds 10 to 15 kt. Seas 2 ft. A slight chance of showers and tstms.
Sat
SW winds 10 to 15 kt. Seas 2 ft. A chance of showers and tstms.
Sat Night
SW winds 15 to 20 kt. Seas 3 to 4 ft. A chance of showers and tstms.

winds and seas higher in and near tstms.




Winds and seas higher in and near tstms.
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530 PM EDT Mon Jul 27 2026
 
 

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