Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Small Craft Advisory until December 24, 04:00 PM CST

Last Update: 425 AM EST Wed Dec 24 2025

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For More Weather Information:

Key West, FL Local Forecast Office

33NM S Sand Key Light FL

Marine Zone Forecast

Today

Northeast to east winds 15 to 20 knots. Seas 4 to 7 feet, occasionally to 9 feet, subsiding to 4 to 6 feet, occasionally to 7 feet. Wave detail: northeast to east 7 feet at 7 seconds. Isolated showers.

Tonight

Northeast to east winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 7 feet. Wave detail: northeast to east 7 feet at 7 seconds.

Thursday

Northeast to east winds near 15 knots, decreasing to 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 4 feet, occasionally to 5 feet. Wave detail: northeast to east 6 feet at 7 seconds, becoming northeast to east 4 feet at 6 seconds.

Thursday Night

Northeast to east winds 10 to 15 knots, becoming north to northeast. Seas 2 to 4 feet, occasionally to 5 feet. isolated showers.

Friday

North to northeast winds near 10 knots, becoming northeast and decreasing to 5 to 10 knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet. Isolated showers.

Friday Night

Northeast winds 5 to 10 knots. Seas 1 to 2 feet.

Saturday Through Sunday Night

Northeast to east winds 5 to 10 knots. Seas 1 to 2 feet.