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San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]

Tonight
Low: 82 °F
ENE 13kt
4ft
Tuesday
High: 83 °F
E 14kt
4ft
Tuesday Night
Low: 82 °F
E 13kt
4ft
Wednesday
High: 83 °F
E 15kt
4ft
Wednesday Night
Low: 82 °F
E 15kt
4ft
Thursday
High: 83 °F
E 14kt
4ft
Thursday Night
Low: 82 °F
E 13kt
4-5ft
Friday
High: 83 °F
E 15kt
4-5ft
Friday Night
Low: 82 °F
ENE 13kt
4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:11 pm EDT Jul 6, 2026
Forecast Valid: 8pm EDT Jul 6, 2026-6pm EDT Jul 13, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Tonight

ENE wind 11 to 13 kt. Scattered showers, mainly after midnight. Seas around 4 ft.

Tuesday

E wind around 14 kt. Scattered showers, mainly between noon and 3pm. Widespread haze between 9am and noon, then Widespread haze after 3pm. Seas around 4 ft.

Tuesday Night

E wind 11 to 13 kt. Scattered showers, with thunderstorms also possible after 3am. Seas around 4 ft.

Wednesday

E wind 12 to 15 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers. Seas around 4 ft.

Wednesday Night

E wind 11 to 15 kt. Scattered showers, mainly before midnight. Seas around 4 ft.

Thursday

E wind around 14 kt. Isolated showers before noon. Widespread haze. Seas around 4 ft.

Thursday Night

E wind 11 to 13 kt. Widespread haze. Seas 4 to 5 ft.

Friday

E wind around 15 kt. Scattered showers. Seas 4 to 5 ft.

Friday Night

ENE wind around 13 kt. Mostly clear. Seas around 4 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.