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Last Update: 307 AM AST Mon Jul 27 2026

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San Juan, PR Local Forecast Office

9NM NNW Charlotte Amalie VI

Marine Zone Forecast


Today
East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave detail: east 3 feet at 7 seconds. Isolated thunderstorms this morning. Scattered showers.
Tonight
East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave detail: northeast 3 feet at 8 seconds and east 2 feet at 4 seconds. Scattered showers after midnight.
Tuesday
East winds around 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 3 feet at 4 seconds and northeast 2 feet at 8 seconds. Scattered showers.
Tuesday Night
East winds around 15 knots with gusts up to 25 knots. Seas 2 to 3 feet. Wave detail: east 3 feet at 5 seconds and northeast 2 feet at 8 seconds. Scattered showers.
Wednesday
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 northeast 1 foot at 8 seconds.
Wednesday Night
East winds 15 to 20 knots with gusts up to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: east 4 feet at 7 seconds.
Thursday
East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet.
Thursday Night
East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet.
Friday
East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet.
Friday Night
East winds around 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers.

winds and seas higher in and near thunderstorms.




Winds and seas higher in and near thunderstorms.
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307 AM AST Mon Jul 27 2026
 
 

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