Last Update: 348 PM AST Thu Sep 3 2026

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San Juan, PR Local Forecast Office

25NM WNW San Juan PR

Marine Zone Forecast


Tonight
East winds 10 to 15 knots with gusts up to 20 knots, becoming southeast 5 to 10 knots after midnight. Seas around 2 feet. Wave detail: northeast 2 feet at 6 seconds and northeast 1 foot at 10 seconds. Isolated showers.
Friday
East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 25 knots in the afternoon. Seas 2 to 3 feet. Wave detail: northeast 2 feet at 7 seconds and northeast 1 foot at 10 seconds.
Friday Night
East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas around 3 feet.
Saturday
East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 25 knots in the afternoon. Seas around 3 feet. Wave detail: northeast 3 feet at 8 seconds.
Saturday Night
East winds 10 to 15 knots with gusts up to 20 knots, becoming southeast 5 to 10 knots after midnight. Seas around 3 feet. Wave detail: east 3 feet at 7 seconds.
Sunday
East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas around 3 feet. Wave detail: east 3 feet at 7 seconds. Numerous showers in the afternoon.
Sunday Night
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers.
Monday
East winds 10 to 15 knots. Seas around 3 feet. Numerous showers in the afternoon.
Monday Night
East winds 10 to 15 knots. Seas around 3 feet.
Tuesday
East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers.
Tuesday Night
East winds 10 to 15 knots. Seas around 4 feet, occasionally to 5 feet.



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348 PM AST Thu Sep 3 2026
 
 

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