Cold Temperatures for the Eastern U.S.; Lake Effect Snow in the Great Lakes; Heavy Rain in the Pacific Northwest

Cold temperatures will continue across much of the eastern U.S. into today. Heavy lake effect snow continues into today east of Lakes Erie and Ontario. Two Pacific cold fronts will cross the Pacific Northwest early this week followed by another atmospheric river. Heavy rain and gusty winds are expected through midweek, with the potential for renewed urban and river flooding. Read More >

Hazardous Weather Conditions

Last Update: 818 PM AST Mon Dec 15 2025

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San Juan, PR Local Forecast Office

12NM SW Mayaguez PR

Marine Zone Forecast


Rest Of Tonight
East winds around 5 knots. Seas 2 to 3 feet. Wave detail: south 2 feet at 7 seconds and northwest 1 foot at 11 seconds.
Tuesday
East winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet. Wave detail: south 2 feet at 7 seconds and northwest 1 foot at 10 seconds.
Tuesday Night
East winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 7 seconds and northwest 1 foot at 9 seconds.
Wednesday
East winds 5 to 10 knots. Seas 2 to 4 feet. Wave detail: northwest 4 feet at 12 seconds and southeast 2 feet at 6 seconds. Scattered showers in the afternoon.
Wednesday Night
East winds 5 to 10 knots. Seas 3 to 5 feet. Wave detail: northwest 4 feet at 11 seconds and southeast 2 feet at 6 seconds. Scattered showers.
Thursday
East winds 5 to 10 knots. Seas 3 to 5 feet. Wave detail: northwest 4 feet at 10 seconds and southeast 2 feet at 6 seconds. Scattered showers in the afternoon.
Thursday Night
East winds 5 to 10 knots. Seas 2 to 4 feet. Scattered showers.
Friday
East winds 5 to 10 knots, becoming southeast in the afternoon. Seas 2 to 4 feet. Numerous showers in the afternoon.
Friday Night
East winds 5 to 10 knots. Seas 2 to 3 feet.
Saturday
East winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers in the afternoon.
Saturday Night
Northeast winds 5 to 10 knots. Seas 2 to 3 feet.



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818 PM AST Mon Dec 15 2025
 
 

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