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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Today
High: 87 °F
E 15kt
2ft
Tonight
Low: 80 °F
ESE 10kt
3ft
Thursday
High: 88 °F
E 16kt
3ft
Thursday Night
Low: 80 °F
E 10kt⇓
3ft
Friday
High: 87 °F
E 15kt
3ft
Friday Night
Low: 80 °F
E 9kt
3ft
Saturday
High: 87 °F
E 15kt
3ft
Saturday Night
Low: 81 °F
E 10kt
3ft
Sunday
High: 85 °F
E 16kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:01 am EDT Aug 5, 2026
Forecast Valid: 5am EDT Aug 5, 2026-6pm EDT Aug 11, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Today

E wind 6 to 15 kt, with gusts as high as 21 kt. Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Seas around 2 ft.

Tonight

ESE wind 7 to 10 kt. Scattered showers, mainly before midnight. Seas around 3 ft.

Thursday

E wind 7 to 16 kt. Scattered showers, mainly between noon and 3pm. Seas around 3 ft.

Thursday Night

E wind 5 to 10 kt becoming variable and less than 5 kt. Isolated showers after midnight. Seas around 3 ft.

Friday

E wind 10 to 15 kt. Isolated showers. Seas around 3 ft.

Friday Night

E wind around 9 kt. Scattered showers. Seas around 3 ft.

Saturday

E wind 8 to 15 kt. Sunny. Seas around 3 ft.

Saturday Night

E wind 8 to 10 kt. Partly cloudy. Seas around 3 ft.

Sunday

E wind 10 to 16 kt, with gusts as high as 22 kt. 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.