Last Update: 701 PM EDT Sat Aug 30 2025

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Charleston, SC Local Forecast Office

27NM NE Altamaha Sound FL

Marine Zone Forecast


Tonight
NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave detail: E 3 ft at 4 seconds and SE 1 foot at 8 seconds. A chance of tstms. Showers likely early this evening, then a chance of showers late this evening.
Sun
NE winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Seas 3 to 4 ft, building to 4 to 5 ft in the afternoon. Wave detail: E 4 ft at 6 seconds, becoming NE 5 ft at 6 seconds. A chance of showers and tstms.
Sun Night
NE winds 20 to 25 kt with gusts to 30 kt. Seas 5 to 6 ft. Wave detail: NE 6 ft at 7 seconds. A chance of showers and tstms. Vsby 1 to 3 nm after midnight.
Mon
NE winds 20 to 25 kt with gusts to 30 kt. Seas 5 to 6 ft. Wave detail: NE 6 ft at 7 seconds. A chance of showers. A slight chance of tstms in the morning, then a chance of tstms in the afternoon.
Mon Night
NE winds 15 to 20 kt with gusts to 25 kt. Seas 5 to 6 ft. Wave detail: E 6 ft at 7 seconds. A chance of showers and tstms, mainly in the evening.
Tue
NE winds 15 to 20 kt. Seas 4 to 5 ft. Wave detail: E 5 ft at 7 seconds. A slight chance of showers and tstms.
Tue Night
NE winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft after midnight. A slight chance of showers and tstms.
Wed
NE winds 10 kt. Seas 3 to 4 ft. A chance of showers and tstms.
Wed Night
E winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers and tstms.
Thu
NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.
Thu Night
S winds 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms.

winds and seas higher in and near tstms.



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701 PM EDT Sat Aug 30 2025
 
 

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