Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Last Update: 326 AM EST Wed Jan 28 2026

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Miami - South Florida Local Forecast Office

11NM W Marco Island FL

Marine Zone Forecast

Today

N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave detail: N 4 ft at 5 seconds. Bay and inland waters a moderate chop.

Tonight

N winds 15 to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave detail: NW 4 ft at 5 seconds. Bay and inland waters a moderate chop.

Thu

NE winds 15 to 20 kt, becoming N 10 to 15 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Wave detail: N 3 ft at 5 seconds. Bay and inland waters a moderate chop.

Thu Night

NE winds around 10 kt. Seas around 2 ft. Wave detail: N 1 foot at 4 seconds. Bay and inland waters light chop.

Fri

N winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. Wave detail: N 1 foot at 4 seconds. Bay and inland waters light chop.

Fri Night

NW winds 5 to 10 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas less than 2 ft or less, then around 2 ft after midnight. Wave detail: NW 1 foot at 4 seconds, becoming W 2 ft at 3 seconds. Bay and inland waters a moderate chop. A chance of showers after midnight.

Sat

NW winds 25 to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft, building to 6 to 9 ft, occasionally to 11 ft in the afternoon. Bay and inland waters rough in exposed areas. Showers likely, mainly in the morning.

Sat Night

NW winds 25 to 35 kt. Seas 8 to 11 ft, occasionally to 14 ft. Bay and inland waters rough in exposed areas.

Sun

N winds 25 to 30 kt, becoming NW 20 to 25 kt in the afternoon. Seas 6 to 9 ft, occasionally to 11 ft, subsiding to 5 to 7 ft, occasionally to 9 ft in the afternoon. Bay and inland waters rough in exposed areas.

Sun Night

N winds 15 to 20 kt. Seas 5 to 7 ft, occasionally to 9 ft. Bay and inland waters a moderate chop.