Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Last Update: 427 AM EST Thu Dec 25 2025

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Key West, FL Local Forecast Office

33NM SSE Molasses Reef Light FL

Marine Zone Forecast

Today

Northeast to east winds 15 to 20 knots, becoming northeast and decreasing to 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet, subsiding to 3 to 5 feet, occasionally to 7 feet. Wave detail: northeast to east 5 feet at 6 seconds. isolated showers.

Tonight

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

Friday Night

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

Saturday

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

Saturday Night

Northeast winds 5 to 10 knots, becoming northeast to east and decreasing to near 5 knots. Seas 1 to 2 feet.

Sunday

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

Sunday Night

East winds 5 to 10 knots, becoming east to southeast. Seas 1 to 2 feet.

Monday

East to southeast winds near 5 knots, becoming northeast to east. Seas 1 to 2 feet.