Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Last Update: 326 AM EST Thu Jan 29 2026

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Miami - South Florida Local Forecast Office

10NM E Virginia Key FL

Marine Zone Forecast

Today

NE winds 15 to 20 kt. Seas 4 to 6 ft, occasionally to 8 ft. Wave detail: N 6 ft at 6 seconds. Intracoastal waters choppy in exposed areas.

Tonight

E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave detail: NE 5 ft at 6 seconds. Intracoastal waters a moderate chop.

Fri

E winds 10 to 15 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave detail: E 3 ft at 6 seconds. Intracoastal waters a moderate chop. A chance of showers.

Fri Night

N winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: N 3 ft at 5 seconds. Intracoastal waters light chop. A chance of showers in the evening.

Sat

NW winds 15 to 20 kt with gusts up to 25 kt, becoming W 25 to 30 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft, building to 4 to 6 ft, occasionally to 8 ft in the afternoon. Wave detail: NW 3 ft at 5 seconds, becoming W 6 ft at 6 seconds. Intracoastal waters rough in exposed areas. A chance of showers in the afternoon.

Sat Night

NW winds 30 to 40 kt. Seas 6 to 9 ft, occasionally to 11 ft, building to 8 to 11 ft, occasionally to 14 ft after midnight. Wave detail: NW 9 ft at 7 seconds, becoming NW 11 ft at 8 seconds. Intracoastal waters extremely rough in exposed areas.

Sun

NW winds 25 to 35 kt, diminishing to 20 to 25 kt. Seas 9 to 12 ft, occasionally to 15 ft. Intracoastal waters rough in exposed areas.

Mon

NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 7 to 10 ft, occasionally to 13 ft. Intracoastal waters a moderate chop.

Mon Night

N winds 15 to 20 kt. Seas 5 to 8 ft, occasionally to 10 ft. Intracoastal waters a moderate chop.