Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Coastal Waters Forecast for Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms (GMZ035) (Text-Only)
NWS Forecast for: Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms (GMZ035)
Issued by: National Weather Service Key West, FL
Last Update: 1027 AM EST Sat Jan 31 2026
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This Afternoon: West to northwest winds near 20 knots, becoming northwest near 30 knots. Seas 1 foot or less, building to 2 to 3 feet. Nearshore waters rough, becoming extremely rough. Numerous showers.

Tonight: Northwest winds near 35 knots, decreasing to 30 to 35 knots. Seas building to 5 to 7 feet, occasionally to 9 feet. West of the marquesas keys, seas 7 to 10 feet, occasionally to 13 feet, building to 10 to 12 feet, occasionally to 15 feet. nearshore waters extremely rough. Isolated showers.

Sunday: Northwest to north winds 25 to 30 knots, becoming northwest and decreasing to 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. West of the marquesas keys, seas 10 to 12 feet, occasionally to 15 feet, subsiding to 8 to 10 feet, occasionally to 13 feet in the afternoon. Nearshore waters extremely rough, becoming very rough.

Sunday Night: Northwest to north winds near 20 knots, decreasing to 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet, except 5 to 7 feet, occasionally to 9 feet west of the marquesas keys. Nearshore waters rough, becoming choppy.

Monday: North winds near 15 knots, decreasing to 10 to 15 knots. Seas subsiding to 2 to 4 feet, occasionally to 5 feet, except 3 to 5 feet, occasionally to 6 feet west of the marquesas keys. Nearshore waters a moderate chop, becoming a light to moderate chop.

Monday Night: North to northeast winds 10 to 15 knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet. Nearshore waters a light to moderate chop.

Tuesday: North to northeast winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop.

Tuesday Night: Northeast to east winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop.

Wednesday: Northeast to east winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop.

Wednesday Night: North to northeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop.







Zone Forecast: Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms (GMZ035)

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