Last Update: 342 AM AST Thu Dec 25 2025

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San Juan, PR Local Forecast Office

9NM NNW Charlotte Amalie VI

Marine Zone Forecast


Today
Northeast winds around 15 knots with gusts up to 20 knots. Seas 6 to 9 feet. Wave detail: northeast 8 feet at 11 seconds. Isolated thunderstorms early this morning. Scattered showers this morning, then isolated showers this afternoon.
Tonight
Northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave detail: northeast 6 feet at 10 seconds. Scattered showers.
Friday
Northeast winds around 10 knots. Seas 4 to 6 feet. Wave detail: northeast 5 feet at 10 seconds.
Friday Night
Northeast winds around 10 knots. Seas 3 to 5 feet. Wave detail: northeast 4 feet at 9 seconds and northeast 4 feet at 15 seconds.
Saturday
East winds 5 to 10 knots. Seas 5 to 6 feet. Wave detail: north 6 feet at 12 seconds.
Saturday Night
Northeast winds around 5 knots. Seas 4 to 6 feet. Wave detail: north 6 feet at 12 seconds and northeast 5 feet at 12 seconds.
Sunday
Northeast winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 4 to 5 feet.
Sunday Night
Northeast winds 5 to 10 knots. Seas 4 to 5 feet.
Monday
Northeast winds 5 to 10 knots. Seas 4 to 5 feet.
Monday Night
East winds 10 to 15 knots. Seas 4 to 6 feet.

winds and seas higher in and near thunderstorms.




Winds and seas higher in and near thunderstorms.
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342 AM AST Thu Dec 25 2025
 
 

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