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San Juan, PR Local Forecast Office

5NM NE San Juan PR

Marine Point Forecast

[NOTICE]

This Afternoon
High: 84 °F
NE 10kt
4ft
Tonight
Low: 81 °F
NE 9kt
4ft
Tuesday
High: 84 °F
ENE 7kt
4ft
Tuesday Night
Low: 81 °F
Light Wind
4ft
Wednesday
High: 84 °F
⇑E 10kt
4ft
Wednesday Night
Low: 81 °F
E 8kt
3ft
Thursday
High: 84 °F
E 10kt
3ft
Thursday Night
Low: 81 °F
E 8kt
3ft
Friday
High: 84 °F
E 12kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:04 am EST Dec 1, 2025
Forecast Valid: 1pm EST Dec 1, 2025-6pm EST Dec 7, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

NE wind around 10 kt. Scattered showers, with thunderstorms also possible after 2pm. Seas around 4 ft.

Tonight

NE wind 5 to 9 kt. Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Seas around 4 ft.

Tuesday

ENE wind 5 to 7 kt. Showers likely and possibly a thunderstorm before 11am, then scattered showers between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas around 4 ft.

Tuesday Night

Variable winds 5 kt or less. Scattered showers. Seas around 4 ft.

Wednesday

Variable winds less than 5 kt becoming E 5 to 10 kt in the morning. Scattered showers. Seas around 4 ft.

Wednesday Night

E wind 6 to 8 kt. Scattered showers. Seas around 3 ft.

Thursday

E wind 6 to 10 kt. Scattered showers. Seas around 3 ft.

Thursday Night

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

Friday

E wind 8 to 12 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.