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Last Update: 355 AM AST Sat Mar 28 2026

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San Juan, PR Local Forecast Office

57NM SSW Mayaguez PR

Marine Zone Forecast


Today
East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots with gusts up to 20 knots this afternoon. Seas around 4 feet. Wave detail: east 4 feet at 6 seconds and north 3 feet at 9 seconds. Numerous showers this morning. Isolated thunderstorms. Scattered showers this afternoon.
Tonight
Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave detail: east 3 feet at 6 seconds and north 3 feet at 9 seconds. Numerous showers, mainly in the evening.
Sunday
Northeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Gusts up to 30 knots. Seas 3 to 5 feet. Wave detail: northeast 4 feet at 6 seconds and north 2 feet at 9 seconds.
Sunday Night
Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave detail: northeast 5 feet at 6 seconds and north 2 feet at 9 seconds.
Monday
Northeast winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave detail: northeast 5 feet at 6 seconds and north 2 feet at 9 seconds.
Monday Night
Northeast winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet. Wave detail: northeast 5 feet at 6 seconds and north 3 feet at 12 seconds. Scattered showers.
Tuesday
Northeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 6 to 9 feet. Scattered showers in the afternoon.
Tuesday Night
Northeast winds 20 to 25 knots. Seas 6 to 9 feet. Scattered showers.
Wednesday
Northeast winds 15 to 20 knots. Seas 7 to 10 feet.
Wednesday Night
Northeast winds 15 to 20 knots, becoming east 10 to 15 knots after midnight. Seas 6 to 9 feet. Scattered showers.

winds and seas higher in and near thunderstorms.




Winds and seas higher in and near thunderstorms.
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355 AM AST Sat Mar 28 2026
 
 

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