Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Last Update: 1027 PM EST Tue Dec 9 2025

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Key West, FL Local Forecast Office

3NM N American Shoal Light FL

Marine Zone Forecast


Overnight
Northeast winds 15 to 20 knots early, decreasing to 10 to 15 knots. Seas 2 to 3 feet, subsiding to around 2 feet. West of cosgrove shoal light, seas 3 to 4 feet, subsiding to 2 to 3 feet. Nearshore waters choppy, becoming a light to moderate chop late. Scattered showers, mainly early.
Wednesday
North to northeast winds near 10 knots, becoming northwest to north and decreasing to 5 to 10 knots. Seas subsiding to 1 to 2 feet. Nearshore waters a light chop, becoming smooth to a light chop. Isolated showers.
Wednesday Night
Northwest to north winds near 10 knots, increasing to 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light chop, becoming a light to moderate chop. Isolated showers.
Thursday
North winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop.
Thursday Night
North to northeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop.
Friday
Northeast to east winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop.
Friday Night
East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Isolated showers.
Saturday
East winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light to moderate chop. Scattered showers.
Saturday Night
Northeast to east winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. Scattered showers.
Sunday
North to northeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers.
Sunday Night
Northeast winds 10 to 15 knots, increasing to near 15 knots. Seas building to 2 to 3 feet, except building to 3 to 4 feet west of cosgrove shoal light. Nearshore waters a light to moderate chop, becoming a moderate chop. Isolated showers.



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1027 PM EST Tue Dec 9 2025
 
 

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