Critical Fire Weather in the High Plains; Heat Continues in the West

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >

Hazardous Weather Conditions

Small Craft Advisory until March 19, 10:00 AM CDT

Last Update: 1032 PM EDT Wed Mar 18 2026

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For More Weather Information:

Key West, FL Local Forecast Office

33NM S Sand Key Light FL

Marine Zone Forecast

Overnight

North to northeast winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. Wave detail: northeast 8 feet at 7 seconds and west 3 feet at 8 seconds. A chance of showers with a slight chance of thunderstorms.

Thursday

North to northeast winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. Wave detail: northeast 8 feet at 7 seconds and west 1 foot at 7 seconds. A chance of showers.

Thursday Night

North to northeast winds near 20 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave detail: northeast 7 feet at 7 seconds. A slight chance of showers.

Friday

North to northeast winds near 20 knots. Seas 4 to 7 feet, occasionally to 9 feet. A slight chance of showers.

Friday Night

Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of showers.

Saturday

Northeast winds near 15 knots. Seas 4 to 6 feet, occasionally to 8 feet, subsiding to 3 to 5 feet, occasionally to 6 feet.

Saturday Night

Northeast to east winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 4 feet, occasionally to 5 feet.

Sunday

East winds near 10 knots. Seas subsiding to 2 to 3 feet.

Sunday Night

East winds 10 to 15 knots. Seas 2 to 4 feet.