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Last Update: 339 PM AST Fri Jun 12 2026

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San Juan, PR Local Forecast Office

12NM SW Mayaguez PR

Marine Zone Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Tonight
Southeast winds 5 to 10 knots, becoming east 15 to 20 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 5 seconds and north 1 foot at 9 seconds. Isolated showers this evening.
Saturday
Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: east 3 feet at 6 seconds and northwest 1 foot at 9 seconds.
Saturday Night
East winds 10 to 15 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 3 feet at 6 seconds and north 1 foot at 8 seconds.
Sunday
East winds 10 to 15 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 3 feet at 7 seconds and north 1 foot at 7 seconds.
Sunday Night
East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 3 feet at 6 seconds.
Monday
East winds 15 to 20 knots, becoming southeast 10 to 15 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: east 3 feet at 6 seconds.
Monday Night
East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet.
Tuesday
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers in the afternoon.
Tuesday Night
East winds 10 to 15 knots. Seas 2 to 3 feet.
Wednesday
East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers in the afternoon.
Wednesday Night
East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet.



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339 PM AST Fri Jun 12 2026
 
 

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