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Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

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Last Map Update: Wed, Jan 21, 2026 at 2:54:50 am EST

Small Craft Advisory in effect for all Florida Keys Coastal Waters! Breezy/windy conditions will persist through mid-week before beginning a decreasing trend late Wednesday night into Thursday.
A Small Craft Advisory remains in effect for the Florida Keys Coastal waters. Northerly to northeasterly winds near 25 knots will become northeasterly today. Seas in the Florida Straits will be 7 to 10 feet with seas of 5 to 7 feet in the Deep Gulf.
TONIGHT...Partly cloudy. Breezy. Lows in the mid 60s. Northeast winds 15 to 20 mph.
SMALL CRAFT ADVISORY IN EFFECT FOR ALL FLORIDA KEYS COASTAL WATERS! Tonight... Fresh to strong NE breezes, Straits increasing to ~25 knots, north of islands fresh, becoming strong. Seas: Bay and Gulfside 2-4 ft, occasionally 5 ft; west of the Marquesas 5-6 ft, occasionally 8 ft; Hawk Channel 2-3 ft; west of Cosgrove Shoal Light 5-6 ft, occasionally 8 ft; Florida Straits building to 7-10 ft, occasionally 13 ft; SE Gulf 5-7 ft, occasionally 9 ft. Bay and nearshore waters choppy, becoming very rough (rough in Florida Bay). Isolated showers over the Straits.
SMALL CRAFT ADVISORY IN EFFECT FOR ALL FLORIDA KEYS COASTAL WATERS! Tonight... Fresh to strong NE breezes, Straits increasing to ~25 knots, north of islands fresh, becoming strong. Seas: Bay and Gulfside 2-4 ft, occasionally 5 ft; west of the Marquesas 5-6 ft, occasionally 8 ft; Hawk Channel 2-3 ft; west of Cosgrove Shoal Light 5-6 ft, occasionally 8 ft; Florida Straits building to 7-10 ft, occasionally 13 ft; SE Gulf 5-7 ft, occasionally 9 ft. Bay and nearshore waters choppy, becoming very rough (rough in Florida Bay). Isolated showers over the Straits.

 


 

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