Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Last Update: 429 AM EST Sat Dec 27 2025

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Key West, FL Local Forecast Office

23NM N Smith Shoal Light FL

Marine Zone Forecast


Today
North to northeast winds 5 to 10 knots. Seas around 1 foot.
Tonight
North to northeast winds 5 to 10 knots. Seas around 1 foot. Wave detail: north to northeast 1 foot at 2 seconds.
Sunday
Northeast to east winds 5 to 10 knots. Seas around 1 foot. Wave detail: northeast 1 foot at 2 seconds.
Sunday Night
Northeast to east winds near 5 knots. Seas 1 foot or less.
Monday
Variable winds near 5 knots. Seas 1 foot or less.
Monday Night
Northwest to north winds near 5 knots, increasing to near 10 knots. Seas 1 foot or less, building to 1 to 2 feet.
Tuesday
Northwest to north winds 10 to 15 knots, becoming north and increasing to 15 to 20 knots. Seas 1 to 2 feet, building to 3 to 5 feet, occasionally to 6 feet. Isolated showers.
Tuesday Night
North winds near 20 knots. Seas 5 to 6 feet, occasionally to 8 feet.
Wednesday
North to northeast winds 15 to 20 knots, becoming north and decreasing to 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet, subsiding to 3 to 4 feet, occasionally to 5 feet.
Wednesday Night
North winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.



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429 AM EST Sat Dec 27 2025
 
 

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