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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Today
High: 84 °F
E 15kt
3ft
Tonight
Low: 82 °F
E 10kt
3ft
Wednesday
High: 84 °F
E 15kt
4ft
Wednesday Night
Low: 82 °F
E 12kt
4ft
Thursday
High: 84 °F
E 16kt
4ft
Thursday Night
Low: 82 °F
E 10kt
4ft
Friday
High: 85 °F
E 15kt
4ft
Friday Night
Low: 82 °F
E 10kt
3-4ft
Saturday
High: 85 °F
ENE 15kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:31 am EDT Sep 8, 2026
Forecast Valid: 11am EDT Sep 8, 2026-6pm EDT Sep 14, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Today

E wind around 15 kt. Scattered showers. Seas around 3 ft.

Tonight

E wind around 10 kt. Scattered showers. Seas around 3 ft.

Wednesday

E wind 11 to 15 kt. Scattered showers and thunderstorms before 9am, then scattered showers between 9am and 3pm, then scattered showers and thunderstorms after 3pm. Seas around 4 ft.

Wednesday Night

E wind 10 to 12 kt. Scattered showers. Seas around 4 ft.

Thursday

E wind 11 to 16 kt. Scattered showers, with thunderstorms also possible after noon. Seas around 4 ft.

Thursday Night

E wind around 10 kt. Isolated showers. Seas around 4 ft.

Friday

E wind 10 to 15 kt. Mostly sunny. Seas around 4 ft.

Friday Night

E wind around 10 kt. Mostly clear. Seas 3 to 4 ft.

Saturday

ENE wind 11 to 15 kt. Sunny. Seas around 3 ft.

*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.