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San Juan, PR Local Forecast Office

2NM WSW Charlotte Amalie VI

Marine Point Forecast

[NOTICE]

Today
High: 90 °F
SE 11kt
1ft
Tonight
Low: 80 °F
ESE 12kt
1-2ft
Saturday
High: 90 °F
ESE 13kt
2ft
Saturday Night
Low: 81 °F
E 12kt
2ft
Sunday
High: 90 °F
E 12kt
2ft
Sunday Night
Low: 81 °F
E 13kt
2ft
Monday
High: 91 °F
E 14kt
3ft
Monday Night
Low: 81 °F
E 15kt
2-3ft
Tuesday
High: 90 °F
E 15kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:09 am EDT Sep 25, 2026
Forecast Valid: 7am EDT Sep 25, 2026-6pm EDT Oct 1, 2026

View Nearby Observations

Detailed Forecast

Today

SE wind 9 to 11 kt. Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Seas around 1 ft.

Tonight

ESE wind around 12 kt. Isolated showers before 9pm, then isolated showers after midnight. Seas 1 to 2 ft.

Saturday

ESE wind 9 to 13 kt. Isolated showers. Seas around 2 ft.

Saturday Night

E wind 10 to 12 kt. Scattered showers. Seas around 2 ft.

Sunday

E wind 10 to 12 kt. Scattered showers before noon. Seas around 2 ft.

Sunday Night

E wind around 13 kt. Scattered showers. Seas around 2 ft.

Monday

E wind around 14 kt. Scattered showers. Seas around 3 ft.

Monday Night

E wind 13 to 15 kt, with gusts as high as 21 kt. Scattered showers. Seas 2 to 3 ft.

Tuesday

E wind around 15 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.