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Last Update: 330 AM AST Tue Apr 7 2026

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San Juan, PR Local Forecast Office

25NM WNW San Juan PR

Marine Zone Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Today
Southeast winds 5 to 10 knots, becoming east 10 to 15 knots late this morning and afternoon. Gusts up to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave detail: northeast 5 feet at 9 seconds. Scattered showers early this morning. Isolated showers late this morning, then numerous showers with isolated thunderstorms this afternoon.
Tonight
East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: northeast 5 feet at 8 seconds and northeast 1 foot at 14 seconds. Scattered showers.
Wednesday
East winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: northeast 4 feet at 8 seconds and northeast 1 foot at 16 seconds. Scattered showers.
Wednesday Night
East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: northeast 4 feet at 8 seconds and northeast 2 feet at 15 seconds. Scattered showers.
Thursday
East winds 10 to 15 knots with gusts up to 20 knots, increasing to 15 to 20 knots with gusts up to 30 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 8 seconds and northeast 3 feet at 14 seconds.
Thursday Night
East winds 10 to 15 knots with gusts up to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave detail: east 5 feet at 8 seconds and northeast 3 feet at 13 seconds. Scattered showers after midnight.
Friday
East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 5 to 6 feet, occasionally to 8 feet. Scattered showers in the afternoon.
Friday Night
East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 5 to 6 feet, occasionally to 8 feet. Scattered showers.
Saturday
East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 5 to 6 feet, occasionally to 8 feet.
Saturday Night
East winds 10 to 15 knots. Seas 5 to 6 feet, occasionally to 8 feet.

winds and seas higher in and near thunderstorms.




Winds and seas higher in and near thunderstorms.
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330 AM AST Tue Apr 7 2026
 
 

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