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Last Update: 346 PM AST Fri Jul 3 2026

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San Juan, PR Local Forecast Office

57NM SSW Mayaguez PR

Marine Zone Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Tonight
East winds 10 to 15 knots, increasing to 15 to 20 knots late this evening and overnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 7 seconds. Isolated showers and thunderstorms early this evening, then scattered showers late this evening. Isolated showers after midnight.
Saturday
East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 7 seconds and north 1 foot at 7 seconds.
Saturday Night
East winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: southeast 5 feet at 7 seconds.
Sunday
East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 7 seconds.
Sunday Night
East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 7 seconds.
Monday
East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: east 5 feet at 7 seconds.
Monday Night
East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet.
Tuesday
East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet.
Tuesday Night
East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet.
Wednesday
East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Scattered showers.
Wednesday Night
East winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 4 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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346 PM AST Fri Jul 3 2026
 
 

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