Last Update: 709 AM EDT Thu Apr 30 2026

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Charleston, SC Local Forecast Office

19NM SSW R7 Navy Tower MR

Marine Zone Forecast


Today
W winds 10 to 15 kt with gusts to 20 kt, becoming SW 5 to 10 kt late. Seas 3 to 4 ft, subsiding to 2 to 3 ft this afternoon. Wave detail: SW 3 ft at 5 seconds and NE 2 ft at 11 seconds, becoming SW 3 ft at 5 seconds and NE 2 ft at 10 seconds. Showers and tstms likely early this morning, then a chance of showers and tstms late this morning.
Tonight
E winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: S 2 ft at 6 seconds and NE 2 ft at 10 seconds. A slight chance of showers after midnight.
Fri
NE winds 10 kt. Seas 2 to 3 ft. Wave detail: NE 2 ft at 6 seconds and NE 2 ft at 10 seconds. A slight chance of tstms. A chance of showers in the morning, then showers likely in the afternoon.
Fri Night
E winds 10 kt. Seas 3 ft. Wave detail: NE 2 ft at 5 seconds and NE 2 ft at 12 seconds. Showers likely with a slight chance of tstms in the evening, then a chance of showers after midnight.
Sat
S winds 10 to 15 kt, becoming NW 15 to 20 kt in the afternoon. Seas 3 to 4 ft, building to 4 to 5 ft in the afternoon. Wave detail: SE 3 ft at 5 seconds and NE 2 ft at 11 seconds, becoming W 4 ft at 4 seconds and NE 2 ft at 10 seconds. Showers likely in the morning, then showers with a slight chance of tstms in the afternoon.
Sat Night
N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft. Wave detail: N 5 ft at 6 seconds. Showers with a chance of tstms in the evening, then a chance of showers after midnight.
Sun
N winds 15 to 20 kt. Seas 4 to 6 ft.
Sun Night
NE winds 5 to 10 kt. Seas 4 to 5 ft.
Mon
NE winds 5 kt. Seas 3 to 4 ft.
Mon Night
SE winds 5 to 10 kt. Seas 3 to 4 ft.

winds and seas higher in and near tstms.




Winds and seas higher in and near tstms.
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709 AM EDT Thu Apr 30 2026
 
 

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