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Charleston, SC Local Forecast Office

19NM SSW R7 Navy Tower MR

Marine Zone Forecast

Today

SW winds 5 to 10 kt. Seas 2 ft. Wave detail: SE 2 ft at 8 seconds and S 1 foot at 3 seconds.

Tonight

SW winds 10 to 15 kt, becoming W 15 to 20 kt after midnight. Seas 2 to 3 ft, building to 3 to 4 ft after midnight. Wave detail: SW 2 ft at 3 seconds and SE 2 ft at 9 seconds, becoming SW 3 ft at 4 seconds and E 2 ft at 9 seconds.

Sat

N winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 4 to 6 ft, building to 6 to 8 ft in the afternoon. Wave detail: NW 5 ft at 5 seconds and E 2 ft at 9 seconds, becoming N 8 ft at 6 seconds and E 7 ft at 9 seconds. A chance of showers, mainly in the morning.

Sat Night

NE winds 30 to 35 kt with gusts to 45 kt. Seas 8 to 10 ft, building to 9 to 12 ft after midnight. Wave detail: N 10 ft at 7 seconds, becoming NE 12 ft at 8 seconds. A slight chance of showers.

Sun

NE winds 30 to 35 kt. Seas 10 to 12 ft, building to 10 to 13 ft in the afternoon. Wave detail: NE 11 ft at 8 seconds, becoming NE 13 ft at 9 seconds. A slight chance of showers.

Sun Night

NE winds 30 to 35 kt with gusts to 45 kt. Seas 11 to 15 ft, building to 13 to 15 ft after midnight. Wave detail: NE 14 ft at 9 seconds, becoming NE 15 ft at 10 seconds and E 5 ft at 12 seconds. A slight chance of showers.

Mon

NE winds 30 kt. Seas 12 to 15 ft. A slight chance of showers.

Mon Night

N winds 25 to 35 kt. Seas 11 to 14 ft. A slight chance of showers.

Tue

N winds 20 to 25 kt. Seas 9 to 11 ft.

Tue Night

NE winds 20 to 25 kt. Seas 8 to 10 ft.