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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]

Today
High: 85 °F
E 18kt
4ft
Tonight
Low: 82 °F
E 18kt
4ft
Friday
High: 85 °F
E 17kt
3ft
Friday Night
Low: 82 °F
E 17kt
3ft
Saturday
High: 85 °F
E 16kt
3ft
Saturday Night
Low: 82 °F
ENE 18kt
3ft
Sunday
High: 85 °F
E 16kt
3ft
Sunday Night
Low: 82 °F
E 15kt
3ft
Monday
High: 85 °F
E 16kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:45 am EDT Sep 10, 2026
Forecast Valid: 8am EDT Sep 10, 2026-6pm EDT Sep 16, 2026

View Nearby Observations

Detailed Forecast

Today

E wind 16 to 18 kt, with gusts as high as 24 kt. Scattered showers and thunderstorms before 9am, then isolated showers between 9am and noon. Seas around 4 ft.

Tonight

E wind 16 to 18 kt, with gusts as high as 24 kt. Clear. Seas around 4 ft.

Friday

E wind 14 to 17 kt, with gusts as high as 23 kt. Sunny. Seas around 3 ft.

Friday Night

E wind 15 to 17 kt, with gusts as high as 23 kt. Clear. Seas around 3 ft.

Saturday

E wind 14 to 16 kt. Isolated showers. Seas around 3 ft.

Saturday Night

ENE wind 16 to 18 kt, with gusts as high as 25 kt. Isolated showers before midnight. Seas around 3 ft.

Sunday

E wind around 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas around 3 ft.

Sunday Night

E wind around 15 kt, with gusts as high as 21 kt. Partly cloudy. Seas around 3 ft.

Monday

E wind around 16 kt, with gusts as high as 22 kt. Scattered showers. 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.