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San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]

Tonight
Low: 80 °F
ENE 8kt
3ft
Friday
High: 82 °F
E 11kt
3ft
Friday Night
Low: 80 °F
ENE 8kt
3ft
Saturday
High: 82 °F
E 10kt
3ft
Saturday Night
Low: 80 °F
ENE 9kt
3ft
Sunday
High: 82 °F
E 11kt
3ft
Sunday Night
Low: 80 °F
ENE 8kt
2-3ft
Monday
High: 82 °F
E 11kt
3ft
Monday Night
Low: 80 °F
ENE 8kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:58 pm EDT Apr 16, 2026
Forecast Valid: 9pm EDT Apr 16, 2026-6pm EDT Apr 23, 2026

View Nearby Observations

Detailed Forecast

Tonight

ENE wind around 8 kt. Showers likely and possibly a thunderstorm. Seas around 3 ft.

Friday

E wind 9 to 11 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Seas around 3 ft.

Friday Night

ENE wind around 8 kt. Showers likely, mainly after midnight. Seas around 3 ft.

Saturday

E wind 8 to 10 kt. Scattered showers. Seas around 3 ft.

Saturday Night

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

Sunday

E wind 8 to 11 kt. Isolated showers. Seas around 3 ft.

Sunday Night

ENE wind around 8 kt. Partly cloudy. Seas 2 to 3 ft.

Monday

E wind 9 to 11 kt. Scattered showers. Seas around 3 ft.

Monday Night

ENE wind around 8 kt. Scattered showers. 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.