Tracking Winter Weather and Frigid Temperatures This Weekend

Another clipper will drop into the Northern Plains and Upper Midwest into Sunday with snow and gusty winds contributing to some areas of blizzard conditions and snow squalls. Impactful snowfall will occur up and down the East Coast Sunday extending from the western Florida Panhandle to Maine. Read More >

Coastal Waters Forecast for Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM (GMZ055) (Text-Only)
NWS Forecast for: Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM (GMZ055)
Issued by: National Weather Service Key West, FL
Last Update: 1019 AM EST Sun Jan 18 2026




This Afternoon: West to northwest winds near 5 knots, becoming northwest to north near 25 knots. Seas 1 to 2 feet, building to 3 to 4 feet, occasionally to 6 feet. Wave detail: north to northeast 3 feet at 4 seconds. Scattered showers and isolated thunderstorms.

Tonight: North winds near 25 knots, decreasing to 20 to 25 knots. Seas 5 to 8 feet, occasionally to 9 feet. Wave detail: northwest 6 feet at 8 seconds and northwest to north 5 feet at 5 seconds. Isolated showers.

Monday: North winds 20 to 25 knots, becoming north to northeast 15 to 20 knots in the afternoon. Seas 6 to 8 feet, occasionally to 10 feet, subsiding to 4 to 6 feet, occasionally to 8 feet. Wave detail: northwest 6 feet at 8 seconds, becoming northwest 5 feet at 8 seconds and northeast 4 feet at 7 seconds.

Monday Night: North to northeast winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet, building to 5 to 7 feet, occasionally to 9 feet. Isolated showers.

Tuesday: North to northeast winds 20 to 25 knots. Seas 5 to 8 feet, occasionally to 10 feet. Isolated showers.

Tuesday Night: Northeast winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. Isolated showers.

Wednesday: Northeast to east winds 20 to 25 knots. Seas 7 to 9 feet, occasionally to 11 feet. Scattered showers.

Wednesday Night: Northeast to east winds 20 to 25 knots, decreasing to 15 to 20 knots. Seas 6 to 9 feet, occasionally to 11 feet, subsiding to 5 to 7 feet, occasionally to 9 feet. scattered showers.

Thursday: Northeast winds near 15 knots, becoming north to northeast 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Scattered showers.

Thursday Night: North to northeast winds near 15 knots, increasing to 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Scattered showers.







Zone Forecast: Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM (GMZ055)

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