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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]

Tonight
Low: 80 °F
E 13kt
3ft
Sunday
High: 82 °F
ESE 13kt
3ft
Sunday Night
Low: 78 °F
E 13kt
3ft
Monday
High: 80 °F
E 14kt
3ft
Monday Night
Low: 78 °F
E 15kt
3ft
Tuesday
High: 80 °F
E 17kt
3ft
Tuesday Night
Low: 78 °F
E 21kt
4ft
Wednesday
High: 82 °F
E 19kt
4ft
Wednesday Night
Low: 80 °F
E 18kt
3-4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:06 pm EDT Apr 11, 2026
Forecast Valid: 8pm EDT Apr 11, 2026-6pm EDT Apr 18, 2026

View Nearby Observations

Detailed Forecast

Tonight

E wind 11 to 13 kt. Scattered showers, mainly after midnight. Seas around 3 ft.

Sunday

ESE wind 10 to 13 kt. Scattered showers, mainly after 3pm. Seas around 3 ft.

Sunday Night

E wind 11 to 13 kt. Isolated showers before 9pm, then scattered showers and thunderstorms between 9pm and midnight, then scattered showers after midnight. Seas around 3 ft.

Monday

E wind around 14 kt. Showers likely and possibly a thunderstorm. Seas around 3 ft.

Monday Night

E wind 12 to 15 kt, with gusts as high as 21 kt. Showers and possibly a thunderstorm. Seas around 3 ft.

Tuesday

E wind 14 to 17 kt, with gusts as high as 23 kt. Showers and possibly a thunderstorm. Seas around 3 ft.

Tuesday Night

E wind 19 to 21 kt, with gusts as high as 28 kt. Showers likely. Seas around 4 ft.

Wednesday

E wind 16 to 19 kt, with gusts as high as 26 kt. Showers likely. Seas around 4 ft.

Wednesday Night

E wind around 18 kt, with gusts as high as 24 kt. Showers. Seas 3 to 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.