Last Update: 437 PM AST Wed Aug 19 2026

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San Juan, PR Local Forecast Office

14NM SW Charlotte Amalie VI

Marine Zone Forecast


Tonight
East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: east 4 feet at 5 seconds and east 3 feet at 8 seconds. Scattered showers this evening, then isolated showers after midnight. Scattered showers late.
Thursday
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 6 seconds.
Thursday 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 4 feet at 6 seconds.
Friday
East winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 6 seconds.
Friday Night
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 6 seconds.
Saturday
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 6 seconds. Scattered showers in the morning.
Saturday Night
East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers.
Sunday
East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet.
Sunday Night
East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet.
Monday
East winds around 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers in the morning.
Monday Night
East winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet.



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437 PM AST Wed Aug 19 2026
 
 

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