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 >

Coastal Waters Forecast for Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out (GMZ074) (Text-Only)
NWS Forecast for: Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out (GMZ074)
Issued by: National Weather Service Key West, FL
Last Update: 1016 AM EST Wed Dec 24 2025
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This Afternoon: Northeast to east winds near 20 knots, decreasing to 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 6 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.







Zone Forecast: Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out (GMZ074)

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