Frigid Airmass to Bring Significantly Colder Temperatures; Snow Continues Downwind of the Great Lakes

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected in the Southeast by Tuesday morning. Moderate to heavy lake effect snow will continue downwind of the Great Lakes through Monday. Several inches of snow accumulation is expected, including in portions of the Chicago Metro Read More >

Last Update: 417 PM EST Sun Nov 9 2025

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Key West, FL Local Forecast Office

7NM SE Molasses Reef Light FL

Marine Zone Forecast


Monday
West to northwest winds near 15 knots, becoming northwest to north and increasing to 25 to 30 knots. Seas 2 to 4 feet, building to 4 to 6 feet, occasionally to 8 feet. Wave detail: northwest 2 feet at 4 seconds, becoming northwest 6 feet at 6 seconds. Scattered showers.
Monday Night
Northwest to north winds near 30 knots. Seas 5 to 8 feet, occasionally to 10 feet, building to 8 to 11 feet, occasionally to 14 feet. Wave detail: northwest to north 8 feet at 7 seconds, becoming north to northeast 9 feet at 7 seconds and northwest 9 feet at 9 seconds.
Tuesday
North to northeast winds 25 to 30 knots, decreasing to near 25 knots. Seas 8 to 11 feet, occasionally to 14 feet, subsiding to 7 to 10 feet, occasionally to 12 feet.
Tuesday Night
Northeast winds 20 to 25 knots, decreasing to near 20 knots. Seas 6 to 9 feet, occasionally to 11 feet.
Wednesday
Northeast to east winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Isolated showers.
Wednesday Night
Northeast to east winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Isolated showers.
Thursday And Thursday Night
Northeast winds 15 to 20 knots. seas 3 to 5 feet, occasionally to 6 feet. Isolated showers.
Friday
Northeast winds near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Isolated showers.
Friday Night
Northeast to east winds near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet.



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417 PM EST Sun Nov 9 2025
 
 

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