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San Juan, PR Local Forecast Office

2NM WSW Charlotte Amalie VI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 84 °F
E 17kt
3ft
Tonight
Low: 82 °F
ESE 20kt
3ft
Sunday
High: 84 °F
ESE 15kt
2ft
Sunday Night
Low: 82 °F
E 18kt
2ft
Monday
High: 84 °F
E 16kt
2ft
Monday Night
Low: 82 °F
E 16kt
2ft
Tuesday
High: 84 °F
E 14kt
2ft
Tuesday Night
Low: 82 °F
E 14kt
2ft
Wednesday
High: 84 °F
E 12kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:09 am EDT Aug 1, 2026
Forecast Valid: 12pm EDT Aug 1, 2026-6pm EDT Aug 7, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

E wind around 17 kt, with gusts as high as 23 kt. Showers likely and possibly a thunderstorm before 3pm, then scattered showers and thunderstorms after 3pm. Seas around 3 ft.

Tonight

ESE wind 15 to 20 kt, with gusts as high as 27 kt. Scattered showers, mainly after 9pm. Seas around 3 ft.

Sunday

ESE wind around 15 kt, with gusts as high as 21 kt. Scattered showers. Seas around 2 ft.

Sunday Night

E wind 16 to 18 kt, with gusts as high as 24 kt. Scattered showers before 3am. Seas around 2 ft.

Monday

E wind around 16 kt, with gusts as high as 22 kt. Isolated showers. Seas around 2 ft.

Monday Night

E wind 14 to 16 kt, with gusts as high as 22 kt. Isolated showers after midnight. Seas around 2 ft.

Tuesday

E wind 11 to 14 kt. Sunny. Seas around 2 ft.

Tuesday Night

E wind 12 to 14 kt. Partly cloudy. Seas around 2 ft.

Wednesday

E wind around 12 kt. Scattered showers. Seas 1 to 2 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.