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Last Update: 349 PM AST Sun Oct 4 2026

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San Juan, PR Local Forecast Office

57NM SSW Mayaguez PR

Marine Zone Forecast


Tonight
East winds 5 to 10 knots. Seas around 3 feet. Wave detail: southeast 2 feet at 6 seconds and northeast 2 feet at 11 seconds. Isolated thunderstorms early this evening. Scattered showers.
Monday
East winds 10 to 15 knots. Seas around 3 feet. Wave detail: east 3 feet at 5 seconds and north 2 feet at 11 seconds. Scattered showers in the morning.
Monday Night
East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas around 3 feet. Wave detail: east 3 feet at 5 seconds and north 2 feet at 11 seconds.
Tuesday
East winds 5 to 10 knots. Seas around 3 feet. Wave detail: southeast 3 feet at 5 seconds and north 2 feet at 11 seconds. Scattered showers in the afternoon.
Tuesday Night
East winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas around 3 feet. Wave detail: southeast 3 feet at 6 seconds. Scattered showers in the evening.
Wednesday
East winds 10 to 15 knots with gusts up to 20 knots. Seas around 3 feet. Wave detail: east 3 feet at 6 seconds.
Wednesday Night
East winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers.
Thursday
East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers.
Thursday Night
East winds 10 to 15 knots. Seas around 3 feet. Scattered showers.
Friday
East winds 10 to 15 knots. Seas around 3 feet.
Friday Night
East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.

winds and seas higher in and near thunderstorms.




Winds and seas higher in and near thunderstorms.
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349 PM AST Sun Oct 4 2026
 
 

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