NWS Key West

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Last Map Update: Mon, Dec 8, 2025 at 7:02:49 pm EST

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

Frontal Passage Tonight

Island Chain

Marine Winds

Wave Heights

A cold front is forecast to move across the Florida Keys tonight and then stall in the Florida Straits. This will lead to elevated rain chances and increasing winds into Tuesday.

TONIGHT...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows near 70. West to northwest winds 10 to 15 mph, becoming north to northeast and increasing to near 15 mph. Chance of rain 50 percent.

SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS: Waters Near, North, & West of the Island Chain! TONIGHT... West (north for the SE Gulf waters) moderate breezes becoming N-NE for all waters and fresh for most waters (~15 knots in FL Bay & the Straits). Seas building to ~2 ft north of the island chain, 2-3 ft south, and 2-4 ft (occasionally 5 ft) for the SE Gulf. Nearshore waters a light to moderate chop, becoming choppy. Bay waters a light chop, becoming a moderate chop. Scattered showers and isolated thunderstorms.

SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS: Waters Near, North, & West of the Island Chain! TONIGHT... West (north for the SE Gulf waters) moderate breezes becoming N-NE for all waters and fresh for most waters (~15 knots in FL Bay & the Straits). Seas building to ~2 ft north of the island chain, 2-3 ft south, and 2-4 ft (occasionally 5 ft) for the SE Gulf. Nearshore waters a light to moderate chop, becoming choppy. Bay waters a light chop, becoming a moderate chop. Scattered showers and isolated thunderstorms.