NWS Key West

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Last Map Update: Fri, Mar 13, 2026 at 2:28:21 pm EDT

Watches, Warnings & Advisories

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Flood Advisory

Short Term Forecast

Wet Pattern Confidence Increasing

Island Chain

Marine Winds

Wave Heights

The wetter pattern has arrived. A stalled frontal boundary will keep the Keys unsettled for the next few days though bringing beneficial rain. Well above normal rain chances expected over the weekend into early next week. Ample instability will also lend to the risk for thunderstorms.

UPPER KEYS: TODAY...Partly sunny this morning, then becoming mostly sunny. A chance of showers and a slight chance of thunderstorms. Highs in the lower 80s. Northwest to north winds near 5 mph, becoming southeast to south this afternoon. Chance of rain 40 percent. MIDDLE AND LOWER KEYS: TODAY...Partly sunny this morning, then becoming mostly sunny. A slight chance of showers and thunderstorms. Highs in the lower 80s. Northwest to north winds near 5 mph, becoming southeast to south this afternoon. Chance of rain 20 percent.

TODAY: Light and variable breezes, except gentle to moderate SE Gulf, becoming southeast to south, except east to southeast in the Straits this afternoon. Bayside and Gulfside: Seas 1 ft or less. W of Marquesas, seas building to around 2 ft. Hawk Channel: Seas 1 ft or less. W of Cosgrove Shoal Light, seas building to 2-3 ft. Straits of Florida: Seas 1-2 ft, except building to 23 ft W of Halfmoon Shoal Light. SE Gulf: 2-3 ft due to NW swell. Bay/nearshore waters smooth, except a light to moderate chop, becoming smooth SE Gulf. Slight chance of showers and thunderstorms.

TODAY: Light and variable breezes, except gentle to moderate SE Gulf, becoming southeast to south, except east to southeast in the Straits this afternoon. Bayside and Gulfside: Seas 1 ft or less. W of Marquesas, seas building to around 2 ft. Hawk Channel: Seas 1 ft or less. W of Cosgrove Shoal Light, seas building to 2-3 ft. Straits of Florida: Seas 1-2 ft, except building to 23 ft W of Halfmoon Shoal Light. SE Gulf: 2-3 ft due to NW swell. Bay/nearshore waters smooth, except a light to moderate chop, becoming smooth SE Gulf. Slight chance of showers and thunderstorms.

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Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

NWS Key West