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Last Update: 332 AM AST Tue May 19 2026

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San Juan, PR Local Forecast Office

57NM SSW Mayaguez PR

Marine Zone Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Today
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 8 seconds. Isolated showers.
Tonight
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 and north 1 foot at 8 seconds.
Wednesday
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. Scattered showers in the morning.
Wednesday Night
East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: east 6 feet at 7 seconds.
Thursday
East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: east 5 feet at 7 seconds. Scattered showers in the afternoon.
Thursday Night
East winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 7 seconds.
Friday
East winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers in the afternoon.
Friday Night
East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers.
Saturday
East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers in the afternoon.
Saturday Night
East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet.



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332 AM AST Tue May 19 2026
 
 

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