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San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]

This Afternoon
High: 81 °F
ESE 8kt
4ft
Tonight
Low: 80 °F
E 8kt
4ft
Tuesday
High: 81 °F
ESE 11kt
3ft
Tuesday Night
Low: 80 °F
E 9kt
3ft
Wednesday
High: 81 °F
ESE 12kt
3ft
Wednesday Night
Low: 80 °F
E 9kt
3ft
Thursday
High: 81 °F
E 12kt
3ft
Thursday Night
Low: 80 °F
E 10kt
3ft
Friday
High: 81 °F
E 10kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:30 pm EDT Apr 6, 2026
Forecast Valid: 3pm EDT Apr 6, 2026-6pm EDT Apr 12, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

ESE wind around 8 kt. Showers likely and possibly a thunderstorm. Seas around 4 ft.

Tonight

E wind around 8 kt. Showers likely and possibly a thunderstorm before midnight, then scattered showers and thunderstorms between midnight and 3am, then scattered showers after 3am. Seas around 4 ft.

Tuesday

ESE wind 9 to 11 kt. Scattered showers, with thunderstorms also possible after 3pm. Seas around 3 ft.

Tuesday Night

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

Wednesday

ESE wind 9 to 12 kt. Scattered showers, with thunderstorms also possible after noon. Seas around 3 ft.

Wednesday Night

E wind around 9 kt. Scattered showers, mainly before midnight. Seas around 3 ft.

Thursday

E wind 9 to 12 kt. Scattered showers. Seas around 3 ft.

Thursday Night

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

Friday

E wind around 10 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.