Heavy Rainfall Across South Texas and the Northeast; Thunderstorms in the Southern Appalachians and Rio Grande Valley

Widespread showers and thunderstorms producing heavy rain may bring flooding to South Texas and parts of the Northeast U.S. tonight into Friday morning. Scattered severe thunderstorms with damaging gusts and large hail are expected over parts of the southern Appalachians, and Rio Grande Valley of Texas into Friday morning. Read More >

Hazardous Weather Conditions

Last Update: 907 PM AST Thu May 8 2025

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San Juan, PR Local Forecast Office

25NM WNW San Juan PR

Marine Zone Forecast


Rest Of Tonight
East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: northeast 3 feet at 8 seconds. Scattered showers. Isolated thunderstorms.
Friday
East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: northeast 3 feet at 8 seconds and northeast 2 feet at 4 seconds. Scattered showers.
Friday Night
East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: northeast 3 feet at 8 seconds and northeast 2 feet at 4 seconds. Scattered showers.
Saturday
East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: northeast 3 feet at 7 seconds. Scattered showers.
Saturday Night
East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: northeast 4 feet at 6 seconds. Scattered showers.
Sunday
East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: north 5 feet at 7 seconds. Scattered showers in the morning.
Sunday Night
East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers.
Monday
East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers.
Monday Night
East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas around 5 feet, occasionally to 6 feet. Scattered showers.
Tuesday
East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. Scattered showers.
Tuesday Night
East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 5 to 6 feet, occasionally to 8 feet. Scattered showers.

winds and seas higher in and near thunderstorms.




Winds and seas higher in and near thunderstorms.
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907 PM AST Thu May 8 2025
 
 

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