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Charleston, SC Local Forecast Office

27NM NE Altamaha Sound FL

Marine Zone Forecast

Today

NE winds 10 to 15 kt, becoming S with gusts to 20 kt this afternoon. Seas 5 to 7 ft, subsiding to 5 to 6 ft this afternoon. Wave detail: E 7 ft at 9 seconds, becoming E 6 ft at 10 seconds.

Tonight

SW winds 15 to 20 kt with gusts to 25 kt. Seas 5 to 6 ft. Wave detail: E 5 ft at 10 seconds and S 4 ft at 5 seconds. A slight chance of showers and tstms in the evening, then showers likely with a slight chance of tstms after midnight. Vsby 1 to 3 nm, decreasing to 1 nm or less after midnight.

Mon

NW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 ft, subsiding to 4 to 5 ft in the afternoon. Wave detail: W 4 ft at 6 seconds and SE 4 ft at 9 seconds, becoming NW 4 ft at 4 seconds and E 4 ft at 9 seconds. A chance of showers with a slight chance of tstms in the morning.

Mon Night

NW winds 20 to 25 kt. Seas 4 to 5 ft. Wave detail: NW 4 ft at 4 seconds and E 3 ft at 10 seconds.

Tue

N winds 15 to 20 kt, becoming NW 5 to 10 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. Wave detail: N 4 ft at 4 seconds and E 2 ft at 10 seconds, becoming NE 3 ft at 8 seconds and NW 2 ft at 3 seconds.

Tue Night

W winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: W 2 ft at 3 seconds and E 2 ft at 8 seconds.

Wed

W winds 10 to 15 kt. Seas 2 to 3 ft.

Wed Night

W winds 15 to 20 kt. Seas 3 to 4 ft.

Thu

NW winds 15 to 20 kt. Seas 3 to 4 ft.

Thu Night

NW winds 15 kt. Seas 2 to 3 ft.

winds and seas higher in and near tstms.