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San Juan, PR Local Forecast Office

16NM SSE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]

Overnight
Low: 82 °F
ESE 10kt
1ft
Monday
High: 83 °F
E 9kt
2ft
Monday Night
Low: 82 °F
E 13kt
2ft
Tuesday
High: 83 °F
E 14kt
2-3ft
Tuesday Night
Low: 82 °F
ENE 15kt
3ft
Wednesday
High: 83 °F
ENE 16kt
3ft
Wednesday Night
Low: 82 °F
ENE 14kt
2-3ft
Thursday
High: 83 °F
NE 12kt
2ft
Thursday Night
Low: 82 °F
NE 14kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:34 pm EST Nov 16, 2025
Forecast Valid: 12am EST Nov 17, 2025-6pm EST Nov 23, 2025

View Nearby Observations

Detailed Forecast

Overnight

ESE wind 8 to 10 kt. Scattered showers before 5am. Seas around 1 ft.

Monday

E wind around 9 kt. Scattered showers, mainly after 11am. Seas around 2 ft.

Monday Night

E wind 11 to 13 kt. Scattered showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then scattered showers and thunderstorms after 2am. Seas around 2 ft.

Tuesday

E wind around 14 kt. Isolated showers. Seas 2 to 3 ft.

Tuesday Night

ENE wind around 15 kt, with gusts as high as 21 kt. Scattered showers, mainly after 11pm. Seas around 3 ft.

Wednesday

ENE wind 12 to 16 kt. Scattered showers, with thunderstorms also possible after 11am. Seas around 3 ft.

Wednesday Night

ENE wind 12 to 14 kt. Scattered showers. Seas 2 to 3 ft.

Thursday

NE wind 9 to 12 kt. Scattered showers. Seas around 2 ft.

Thursday Night

NE wind 12 to 14 kt. Partly cloudy. Seas around 2 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.