Areas of Showers and Thunderstorms to Start the Work Week

Areas of rain and thunderstorms are forecast Monday across the central and eastern states. Some mixed rain and snow is possible in the high Sierra Mountains. Heavy to excessive rain may bring flooding in the central Appalachians. Read More >

Hazardous Weather Conditions

Last Update: 438 PM EDT Sun Sep 20 2026

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Key West, FL Local Forecast Office

33NM SSE Molasses Reef Light FL

Marine Zone Forecast


Tonight
South winds near 5 knots, increasing to 5 to 10 knots after midnight. Seas around 1 foot. Wave detail: southeast to south 1 foot at 3 seconds. Showers likely with a chance of thunderstorms.
Monday
Southwest winds 5 to 10 knots. Seas around 1 foot. Wave detail: southeast to south 1 foot at 3 seconds. A chance of showers and thunderstorms.
Monday Night
Southeast to south winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas 1 to 2 feet, building to around 2 feet. Wave detail: east to southeast 2 feet at 3 seconds. Showers likely with a chance of thunderstorms.
Tuesday
Southeast to south winds near 10 knots, decreasing to 5 to 10 knots. Seas around 2 feet, subsiding to 1 to 2 feet. showers likely with a chance of thunderstorms.
Tuesday Night
Southeast to south winds near 10 knots. Seas 1 to 2 feet. Showers likely with a chance of thunderstorms.
Wednesday
Southeast to south winds 5 to 10 knots. Seas around 1 foot. Showers with a chance of thunderstorms.
Wednesday Night
Southeast winds near 5 knots. Seas around 1 foot. Showers likely with a chance of thunderstorms.
Thursday
Southeast to south winds near 5 knots. Seas around 1 foot. Showers likely with a chance of thunderstorms.
Thursday Night
Southeast to south winds near 5 knots. Seas around 1 foot. A chance of showers and thunderstorms.
Friday
Northeast winds near 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms.
Friday Night
East winds near 5 knots. Seas around 1 foot. A chance of showers and thunderstorms.



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438 PM EDT Sun Sep 20 2026
 
 

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