NWS Key West

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Last Map Update: Fri, Mar 20, 2026 at 9:20:22 am EDT

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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Small Craft Advisory

Rip Current Statement

Hazardous Marine Conditions

Key Messages

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 Thursday morning. Inexperienced mariners, especially those operating small craft should stay in port until conditions improve.

Breezy to Windy conditions will continue tonight Winds will gradually decrease on Friday, and light to gentle breezes are expected over the weekend. A return to drier conditions are expected early next week.

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.