Key West, FL

Weather Forecast Office

NWS Key West

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Last Map Update: Fri, Jan 30, 2026 at 5:46:39 pm EST

Watches, Warnings & Advisories

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National Weather Service Tampa Bay Area, FL

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Gale Warning

Freeze Warning

Cold Weather Advisory

Wind Advisory

Gale Watch

Short Term Forecast

Gale Watch

Weekend: Cold & Windy

Warming Center: Plantation Key

Island Chain

Marine Winds

Wave Heights

A GALE WATCH is in effect for all Florida Keys waters. Winds this weekend will drastically freshen to near 35 knots across all marine zones. This will happen as early as Saturday evening, and last through Sunday morning. Operating a vessel in gale conditions requires experience and properly equipped vessels.

High-impact weather event for Florida Keys this weekend! Be prepared for the following Saturday through Monday: Strong NW winds (30-35 mph, frequent gusts in excess of 45 mph); Hazardous marine conditions; Cold temps, wind chills (mid 20s Upper Keys, low 30s for Middle Keys, & upper 30s for Lower Keys); Coastal flooding, minor (Middle/Upper Keys) to moderate (Lower Keys).

Prepare for Cold Weather: - Prolonged exposure to cold temperatures may result in hypothermia, particularly for individuals spending extended periods outdoors. Residents should remain indoors when possible, bring pets inside, and cover or relocate cold-sensitive plants. Pets should not be left outdoors during cold weather. - Please monitor local media outlets and the National Weather Service at www.weather.gov/key/ for the most current weather information. Residents and visitors can also follow the NWS Key West and Monroe County Emergency Management on Facebook. The Emergency Operations Center is not currently activated, but Monroe County Emergency Management is monitoring the situation. Warming Center at Plantation Key Community Center, located at 53 High Point Rd, Plantation Key, FL 33070. -The center will open Saturday, Jan. 31, at 7 p.m. and remain open overnight until 7 a.m. The warming center will reopen on Sunday, Feb. 1, at 7 p.m. through 7 a.m. The center will only provide a warm place to stay for the cold night with a cot and a blanket. Important Information: -The warming center will not include meals. -Crated pets will be accepted in the warming center. Limited crates are available. -Center rules apply.

UPPER KEYS: TONIGHT... Mostly cloudy. Lows in the upper 50s. Northwest winds near 10 mph. MIDDLE KEYS: TONIGHT... Partly to mostly cloudy. Lows near 60. North to northeast winds near 10 mph, becoming northwest to north. LOWER KEYS: TONIGHT...Partly cloudy, becoming mostly cloudy late overnight with a slight chance of showers. Lows in the lower 60s. North to northeast winds 10 to 15 mph, becoming northwest to north. Chance of rain 10 percent.

A GALE WATCH WILL BE IN EFFECT FOR ALL KEYS WATERS FOR INCREASING NORTHERLY WINDS ON SATURDAY! SMALL CRAFT ADVISORY CONDITIONS EXPECTED AS EARLY AS SATURDAY MORNING FOR SOME COASTAL WATERS! Tonight... Winds becoming or already NW-N ~10 kts FL Bay & North of island chain, becoming or already NW-N moderate breezes all other waters. Seas generally ~1-2 ft near, west, and north of the island chain, & 2-3 ft in the FL Straits. Bay/nearshore waters a light chop (light to moderate chop Hawk Channel). Isolated showers.

A GALE WATCH WILL BE IN EFFECT FOR ALL KEYS WATERS FOR INCREASING NORTHERLY WINDS ON SATURDAY! SMALL CRAFT ADVISORY CONDITIONS EXPECTED AS EARLY AS SATURDAY MORNING FOR SOME COASTAL WATERS! Tonight... Winds becoming or already NW-N ~10 kts FL Bay & North of island chain, becoming or already NW-N moderate breezes all other waters. Seas generally ~1-2 ft near, west, and north of the island chain, & 2-3 ft in the FL Straits. Bay/nearshore waters a light chop (light to moderate chop Hawk Channel). Isolated showers.

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Another Arctic Blast in the East; Eastern U.S. Winter Storm

NWS Key West