Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Last Update: 1016 AM EDT Sat Oct 10 2026

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Key West, FL Local Forecast Office

23NM N Smith Shoal Light FL

Marine Zone Forecast

This Afternoon

Southeast to south winds 15 to 20 knots, decreasing to 10 to 15 knots late. Seas 4 to 6 feet, occasionally to 8 feet, subsiding to 3 to 4 feet, occasionally to 5 feet. Wave detail: west 4 feet at 9 seconds and southeast to south 3 feet at 5 seconds. A slight chance of thunderstorms. A slight chance of showers, becoming a chance of showers.

Tonight

Southeast to south winds 10 to 15 knots, becoming southeast. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: west to northwest 4 feet at 8 seconds and southeast 2 feet at 4 seconds. Showers likely with a slight chance of thunderstorms.

Sunday

East to southeast winds near 10 knots, becoming east and decreasing to 5 to 10 knots. Seas 2 to 3 feet, subsiding to around 2 feet. Wave detail: southeast 2 feet at 4 seconds and west to northwest 2 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms.

Sunday Night

Northeast to east winds 5 to 10 knots, increasing to 10 to 15 knots. Seas around 2 feet, building to 2 to 3 feet. A slight chance of showers and thunderstorms.

Monday

Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms.

Monday Night

Northeast winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms.

Tuesday

Northeast winds near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet.

Tuesday Night

Northeast winds 10 to 15 knots. Seas 2 to 3 feet.

Wednesday

Northeast winds 10 to 15 knots, decreasing to 5 to 10 knots in the afternoon. Seas 1 to 2 feet.

Wednesday Night

Northeast to east winds increasing to 10 to 15 knots. Seas 1 to 2 feet. A slight chance of showers.