NWS Key West

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Last Map Update: Wed, Mar 18, 2026 at 1:50:25 am EDT

Watches, Warnings & Advisories

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National Weather Service Tampa Bay Area, FL

National Weather Service Miami - South Florida

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Small Craft Advisory

Rip Current Statement

Short Term Forecast

Hazardous Marine Conditions

Florida Keys Radar

Island Chain

Marine Winds

Wave Heights

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

The latest Florida Keys NWS radar imagery.

TODAY... Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Breezy at times. Highs in the mid 70s. North to northeast winds 15 to 20 mph, briefly decreasing to near 15 mph in the afternoon. Chance of rain 40 percent.

SMALL CRAFT ADVISORY IN EFFECT FOR ALL KEYS WATERS! TODAY... N-NE fresh breezes (brief moderate lull in the afternoon). Seas: Bay/Gulfside 2-4 ft, occasionally 5 ft, W of Marquesas 5-6 ft, occasionally 8 ft, subsiding to 4-5 ft, occasionally 6 ft; Hawk Channel 2-3 ft, W of Cosgrove 4-5 ft, occasionally 6 ft; FL Straits 5-7 ft, occasionally 9 ft; SE Gulf 4-6 ft, occasionally 8 ft. Bay/nearshore waters choppy. Chance of showers, slight chance of thunderstorms

SMALL CRAFT ADVISORY IN EFFECT FOR ALL KEYS WATERS! TODAY... N-NE fresh breezes (brief moderate lull in the afternoon). Seas: Bay/Gulfside 2-4 ft, occasionally 5 ft, W of Marquesas 5-6 ft, occasionally 8 ft, subsiding to 4-5 ft, occasionally 6 ft; Hawk Channel 2-3 ft, W of Cosgrove 4-5 ft, occasionally 6 ft; FL Straits 5-7 ft, occasionally 9 ft; SE Gulf 4-6 ft, occasionally 8 ft. Bay/nearshore waters choppy. Chance of showers, slight chance of thunderstorms

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Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

NWS Key West