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Last Update: 418 AM AST Fri Jul 31 2026

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San Juan, PR Local Forecast Office

14NM SW Charlotte Amalie VI

Marine Zone Forecast


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 4 feet at 7 seconds. Scattered showers, mainly this morning.
Tonight
East winds around 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 7 seconds.
Saturday
East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 7 seconds. Scattered showers in the morning, then numerous showers in the afternoon.
Saturday Night
East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 7 seconds. Scattered showers after midnight.
Sunday
East winds 10 to 15 knots with gusts up to 20 knots. Seas around 3 feet. Wave detail: east 3 feet at 8 seconds and southeast 2 feet at 5 seconds. Scattered showers.
Sunday Night
East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 3 feet at 7 seconds. Scattered showers.
Monday
East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers in the morning.
Monday Night
East winds around 15 knots. Seas around 3 feet.
Tuesday
East winds 10 to 15 knots. Seas 2 to 3 feet.
Tuesday Night
East winds 10 to 15 knots. Seas 2 to 3 feet.



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418 AM AST Fri Jul 31 2026
 
 

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