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Last Update: 428 AM AST Sun Oct 11 2026

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San Juan, PR Local Forecast Office

12NM SW Mayaguez PR

Marine Zone Forecast


Today
East winds 5 to 10 knots, becoming southeast 10 to 15 knots with gusts up to 25 knots late this morning and afternoon. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds and north 1 foot at 8 seconds. Isolated showers and thunderstorms this afternoon.
Tonight
East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds and north 1 foot at 8 seconds.
Monday
East winds 5 to 10 knots, becoming southeast 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 6 seconds and north 1 foot at 7 seconds. Scattered showers in the afternoon.
Monday Night
East winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 6 seconds and north 1 foot at 7 seconds. Numerous showers in the evening.
Tuesday
East winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds and north 1 foot at 7 seconds. Scattered showers in the afternoon.
Tuesday Night
Northeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds and north 1 foot at 8 seconds.
Wednesday
East winds around 5 knots. Seas around 2 feet.
Wednesday Night
East winds around 5 knots. Seas around 2 feet.
Thursday
Northeast winds around 5 knots. Seas around 2 feet. Scattered showers in the afternoon.
Thursday Night
Northeast winds 5 to 10 knots. Seas around 2 feet.

winds and seas higher in and near thunderstorms.




Winds and seas higher in and near thunderstorms.
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428 AM AST Sun Oct 11 2026
 
 

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