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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]

Overnight
Low: 82 °F
E 17kt
3ft
Sunday
High: 84 °F
E 16kt
3ft
Sunday Night
Low: 82 °F
E 15kt
2-3ft
Monday
High: 84 °F
E 12kt
2ft
Monday Night
Low: 82 °F
E 14kt
2ft
Tuesday
High: 84 °F
E 16kt
3ft
Tuesday Night
Low: 82 °F
E 16kt
3ft
Wednesday
High: 84 °F
E 19kt
3-4ft
Wednesday Night
Low: 82 °F
E 18kt
4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:58 pm EDT Jul 25, 2026
Forecast Valid: 12am EDT Jul 26, 2026-6pm EDT Aug 1, 2026

View Nearby Observations

Detailed Forecast

Overnight

E wind around 17 kt, with gusts as high as 23 kt. Isolated showers. Seas around 3 ft.

Sunday

E wind around 16 kt, with gusts as high as 22 kt. Scattered showers, mainly between noon and 3pm. Seas around 3 ft.

Sunday Night

E wind 12 to 15 kt, with gusts as high as 21 kt. Scattered showers before midnight, then scattered showers and thunderstorms between midnight and 3am, then showers likely and possibly a thunderstorm after 3am. Seas 2 to 3 ft.

Monday

E wind around 12 kt. Showers likely and possibly a thunderstorm before noon, then isolated showers. Seas around 2 ft.

Monday Night

E wind 12 to 14 kt, with gusts as high as 20 kt. Isolated showers. Seas around 2 ft.

Tuesday

E wind around 16 kt, with gusts as high as 22 kt. Scattered showers, mainly after noon. Seas around 3 ft.

Tuesday Night

E wind around 16 kt. Scattered showers. Seas around 3 ft.

Wednesday

E wind around 19 kt, with gusts as high as 26 kt. Sunny. Seas 3 to 4 ft.

Wednesday Night

E wind around 18 kt, with gusts as high as 25 kt. Clear. Seas around 4 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.