Last Update: 719 PM EDT Thu Mar 26 2026

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Charleston, SC Local Forecast Office

27NM NE Altamaha Sound FL

Marine Zone Forecast


Tonight
S winds 5 to 10 kt, becoming SW late. Seas 2 to 3 ft. Wave detail: E 3 ft at 8 seconds. Patchy fog after midnight.
Fri
SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave detail: E 3 ft at 7 seconds. Patchy fog.
Fri Night
S winds 15 kt, becoming SW with gusts to 20 kt after midnight. Seas 2 to 3 ft. Wave detail: E 3 ft at 8 seconds and S 2 ft at 4 seconds.
Sat
NE winds 25 to 30 kt. Seas 4 to 5 ft, building to 5 to 7 ft in the afternoon. Wave detail: E 4 ft at 7 seconds and NW 3 ft at 4 seconds, becoming NE 7 ft at 6 seconds.
Sat Night
NE winds 25 to 30 kt. Seas 7 to 9 ft. Wave detail: E 9 ft at 8 seconds.
Sun
NE winds 20 to 25 kt, becoming E 15 to 20 kt in the afternoon. Seas 7 to 9 ft, subsiding to 6 to 8 ft in the afternoon. Wave detail: E 9 ft at 9 seconds, becoming E 8 ft at 10 seconds.
Sun Night
E winds 10 to 15 kt. Seas 5 to 7 ft, subsiding to 5 to 6 ft after midnight.
Mon
E winds 5 to 10 kt. Seas 4 to 6 ft.
Mon Night
SE winds 5 to 10 kt. Seas 4 to 5 ft.
Tue
SE winds 5 to 10 kt. Seas 3 to 4 ft.
Tue Night
SE winds 10 kt. Seas 3 to 4 ft.



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719 PM EDT Thu Mar 26 2026
 
 

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