Last Update: 645 PM EST Sun Feb 22 2026

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Charleston, SC Local Forecast Office

27NM NE Altamaha Sound FL

Marine Zone Forecast


Tonight
NW winds 25 to 30 kt with gusts to 40 kt. Seas 4 to 6 ft. Wave detail: NW 6 ft at 5 seconds and E 1 foot at 9 seconds.
Mon
NW winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Seas 4 to 6 ft, subsiding to 4 to 5 ft in the afternoon. Wave detail: NW 5 ft at 5 seconds and E 1 foot at 10 seconds, becoming NW 4 ft at 4 seconds and NE 1 foot at 6 seconds.
Mon Night
NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 3 to 4 ft. Wave detail: NW 4 ft at 4 seconds.
Tue
NW winds 10 to 15 kt, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave detail: N 2 ft at 4 seconds.
Tue Night
SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: SW 3 ft at 4 seconds and NE 1 foot at 8 seconds.
Wed
SW winds 15 kt with gusts to 20 kt. Seas 2 to 3 ft. Wave detail: SW 3 ft at 4 seconds and E 1 foot at 11 seconds.
Wed Night
SW winds 10 to 15 kt with gusts to 20 kt. Seas 2 to 3 ft.
Thu
S winds 15 to 20 kt. Seas 3 to 4 ft.
Thu Night
SW winds 15 to 20 kt. Seas 3 to 4 ft. A chance of showers.
Fri
SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely.
Fri Night
NE winds 10 kt. Seas 3 to 4 ft. Showers likely.



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645 PM EST Sun Feb 22 2026
 
 

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