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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]

Today
High: 84 °F
E 18kt
3ft
Tonight
Low: 81 °F
E 18kt
3ft
Monday
High: 84 °F
E 17kt
3ft
Monday Night
Low: 81 °F
ENE 20kt
3ft
Tuesday
High: 84 °F
E 17kt
3ft
Tuesday Night
Low: 81 °F
E 17kt
3ft
Wednesday
High: 84 °F
E 16kt
3ft
Wednesday Night
Low: 81 °F
E 16kt
2-3ft
Thursday
High: 84 °F
E 18kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:56 am EDT Jun 21, 2026
Forecast Valid: 7am EDT Jun 21, 2026-6pm EDT Jun 27, 2026

View Nearby Observations

Detailed Forecast

Today

E wind 16 to 18 kt, with gusts as high as 24 kt. Showers likely and possibly a thunderstorm before noon, then isolated showers between noon and 3pm. Seas around 3 ft.

Tonight

E wind 15 to 18 kt, with gusts as high as 24 kt. Mostly clear. Seas around 3 ft.

Monday

E wind around 17 kt, with gusts as high as 23 kt. Isolated showers before 9am. Seas around 3 ft.

Monday Night

ENE wind 16 to 20 kt, with gusts as high as 27 kt. Isolated showers before midnight. Seas around 3 ft.

Tuesday

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

Tuesday Night

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

Wednesday

E wind 14 to 16 kt, with gusts as high as 22 kt. Scattered showers before noon. Seas around 3 ft.

Wednesday Night

E wind around 16 kt. Mostly clear. Seas 2 to 3 ft.

Thursday

E wind 15 to 18 kt, with gusts as high as 24 kt. Mostly sunny. Seas around 3 ft.

Winds and seas higher in and near thunderstorms.

*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.