Hot in Parts of the West; Cold Blast Coming to the Central U.S.

Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S. A blast of cold air will drop across the central and eastern U.S. later this week bringing below to well below normal temperatures. Read More >

Hazardous Weather Conditions

Last Update: 356 AM AST Mon Sep 1 2025

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For More Weather Information:

San Juan, PR Local Forecast Office

12NM SW Mayaguez PR

Marine Zone Forecast


Today
Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 1 foot at 4 seconds. Isolated showers early this afternoon. Scattered showers with isolated thunderstorms late.
Tonight
East winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 1 foot at 4 seconds.
Tuesday
Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 4 seconds. Scattered showers in the afternoon.
Tuesday Night
East winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 4 seconds.
Wednesday
East winds 5 to 10 knots, becoming southeast 10 to 15 knots with gusts up to 25 knots in the afternoon. Seas around 2 feet. Wave detail: southeast 2 feet at 5 seconds. Scattered showers in the afternoon.
Wednesday Night
East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds.
Thursday
East winds 10 to 15 knots. Seas 2 to 3 feet.
Thursday Night
East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet.
Friday
East winds 5 to 10 knots. Seas around 2 feet.
Friday Night
East winds 5 to 10 knots. Seas around 2 feet.

winds and seas higher in and near thunderstorms.




Winds and seas higher in and near thunderstorms.
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356 AM AST Mon Sep 1 2025
 
 

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