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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Today
High: 84 °F
E 14kt
3ft
Tonight
Low: 82 °F
E 10kt
3ft
Sunday
High: 84 °F
E 16kt
3ft
Sunday Night
Low: 82 °F
E 10kt
3ft
Monday
High: 84 °F
E 15kt
2-3ft
Monday Night
Low: 82 °F
E 9kt
2-3ft
Tuesday
High: 84 °F
E 16kt
3ft
Tuesday Night
Low: 82 °F
ESE 10kt
2-3ft
Wednesday
High: 84 °F
E 16kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:24 am EDT Jun 27, 2026
Forecast Valid: 11am EDT Jun 27, 2026-6pm EDT Jul 3, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Today

E wind 12 to 14 kt, with gusts as high as 20 kt. Scattered showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then isolated showers after 3pm. Seas around 3 ft.

Tonight

E wind 7 to 10 kt. Scattered showers, mainly before 9pm. Seas around 3 ft.

Sunday

E wind 10 to 16 kt. Isolated showers. Seas around 3 ft.

Sunday Night

E wind 7 to 10 kt. Isolated showers. Seas around 3 ft.

Monday

E wind 7 to 15 kt, with gusts as high as 21 kt. Scattered showers, with thunderstorms also possible after noon. Seas 2 to 3 ft.

Monday Night

E wind 7 to 9 kt. Isolated showers. Seas 2 to 3 ft.

Tuesday

E wind 9 to 16 kt, with gusts as high as 22 kt. Sunny. Seas around 3 ft.

Tuesday Night

ESE wind 6 to 10 kt. Partly cloudy. Seas 2 to 3 ft.

Wednesday

E wind 9 to 16 kt, with gusts as high as 22 kt. Sunny. Seas around 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.