NWS Key West

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Last Map Update: Thu, Jan 15, 2026 at 9:48:47 am EST

Watches, Warnings & Advisories

National Weather Service National Weather Service

National Weather Service Tampa Bay Area, FL

National Weather Service Miami - South Florida

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Cold Weather Advisory

High Surf Advisory

Small Craft Advisory

Rip Current Statement

Marine Weather Statement

Short Term Forecast

Strong Cold Front Thursday

Island Chain

Marine Winds

Wave Heights

A Small Craft Advisory is in effect for all Florida Keys Coastal waters for west to northwest winds increasing to near 30 knots and seas building to 7 to 10 feet in the Florida Straits and SE Gulf. Wind conditions will be hazardous for small craft, with nearshore waters becoming rough. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions.

TODAY...Showers likely with a slight chance of thunderstorms. Becoming very windy. Highs in the lower to mid 70s in the morning, then falling into the mid to upper 60s in the afternoon. Southwest to west winds near 15 mph, becoming northwest 25 to 30 mph this afternoon. Chance of rain 70 percent.

A Small Craft Advisory is in effect for all Keys Coastal Waters
TODAY... Fresh SW-W breezes will quickly become W-NW Strong to Near Gale.
Seas:
Bayside/Gulfside: 1-3 ft BLDG to 4-6 ft
Hawk Channel: 1-3 ft BLDG to 3-5 ft
W of Marquesas Keys & Cosgrove Shoal Light: 2-3 ft BLDG to 6-9 ft
FL Straits: 2-4 ft BLDG to 7-10 ft
SE Gulf: 2-5 ft BLDG to 7-10 ft
Bay/Nearshore waters choppy becoming extremely rough. Widespread showers & isolated thunderstorms.

A Small Craft Advisory is in effect for all Keys Coastal Waters
TODAY... Fresh SW-W breezes will quickly become W-NW Strong to Near Gale.
Seas:
Bayside/Gulfside: 1-3 ft BLDG to 4-6 ft
Hawk Channel: 1-3 ft BLDG to 3-5 ft
W of Marquesas Keys & Cosgrove Shoal Light: 2-3 ft BLDG to 6-9 ft
FL Straits: 2-4 ft BLDG to 7-10 ft
SE Gulf: 2-5 ft BLDG to 7-10 ft
Bay/Nearshore waters choppy becoming extremely rough. Widespread showers & isolated thunderstorms.

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Great Lakes Snow through Friday; High Winds in the Northern and Central Plains

NWS Key West