NWS Key West

Click a location below for detailed forecast.

Last Map Update: Fri, Mar 20, 2026 at 12:46:43 pm EDT

Watches, Warnings & Advisories

National Weather Service National Weather Service

National Weather Service Tampa Bay Area, FL

National Weather Service Miami - South Florida

Zoom Out

Small Craft Advisory

Rip Current Statement

Short Term Forecast

Hazardous Marine Conditions

Quiet, Pleasant Weather

Island Chain

Marine Winds

Wave Heights

Small Craft Advisory remains in effect for all Florida Keys coastal waters! Hazardous marine conditions around the Florida Keys will continue into this afternoon. Inexperienced mariners, especially those operating small craft should stay in port until conditions improve.

Pleasant Day Ahead! -Mostly sunny skies -Highs in the mid 70s -NE winds 15 to 20 mph -Slight chance of rain

TODAY...Mostly sunny with a slight chance of showers. Breezy early. Highs in the lower to mid 70s. North to northeast winds 15 to 20 mph, decreasing to near 15 mph. Chance of rain 10 percent.

SMALL CRAFT ADVISORY IN EFFECT FOR ALL KEYS WATERS! TODAY... N to NE fresh to strong breezes, becoming fresh. Seas: Bay/Gulfside 2-4 ft, W of Marquesas 3-4 ft, occasionally 5 ft; Hawk Channel, subsiding to 2-3 ft, W of Cosgrove Shoal, 3-4 ft, occasionally 5 ft; Florida Straits 5-8 ft, occasionally 10 ft, subsiding to 4-7 ft; Southeast Gulf 4-5 ft, occasionally 6 ft. Bay/nearshore waters rough, becoming choppy. Slight chance of showers.

SMALL CRAFT ADVISORY IN EFFECT FOR ALL KEYS WATERS! TODAY... N to NE fresh to strong breezes, becoming fresh. Seas: Bay/Gulfside 2-4 ft, W of Marquesas 3-4 ft, occasionally 5 ft; Hawk Channel, subsiding to 2-3 ft, W of Cosgrove Shoal, 3-4 ft, occasionally 5 ft; Florida Straits 5-8 ft, occasionally 10 ft, subsiding to 4-7 ft; Southeast Gulf 4-5 ft, occasionally 6 ft. Bay/nearshore waters rough, becoming choppy. Slight chance of showers.

Text Product Selector

(Selected product opens in a new window)

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

NWS Key West