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Last Update: 411 AM AST Mon Jul 20 2026
For More Weather Information:
25NM WNW San Juan PR
Marine Zone Forecast
...SMALL CRAFT SHOULD EXERCISE CAUTION...
Today
East winds 10 to 15 knots, increasing to 15 to 20 knots this afternoon. Seas around 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 7 seconds. Isolated showers until late afternoon.
Tonight
East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: northeast 4 feet at 7 seconds.
Tuesday
Northeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas around 3 feet. Wave detail: northeast 3 feet at 7 seconds. Scattered showers.
Tuesday 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. Wave detail: northeast 3 feet at 7 seconds. Scattered showers after midnight.
Wednesday
East winds 10 to 15 knots with gusts up to 20 knots. Seas around 3 feet. Wave detail: northeast 3 feet at 7 seconds. Scattered showers in the afternoon.
Wednesday 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 3 feet at 7 seconds.
Thursday
East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet.
Thursday Night
East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.
Friday
East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet.
Friday Night
East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet.
Additional Forecasts and Information
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