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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Tonight
Low: 82 °F
ESE 8kt
3ft
Monday
High: 84 °F
E 14kt
3-4ft
Monday Night
Low: 82 °F
ESE 8kt
3ft
Tuesday
High: 84 °F
E 13kt
3ft
Tuesday Night
Low: 82 °F
ESE 8kt⇓
3ft
Wednesday
High: 84 °F
E 7kt⇓
3ft
Wednesday Night
Low: 82 °F
Light Wind
3ft
Thursday
High: 84 °F
Light Wind
2ft
Thursday Night
Low: 82 °F
Light Wind
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:26 pm EST Nov 1, 2026
Forecast Valid: 8pm EST Nov 1, 2026-6pm EST Nov 8, 2026

View Nearby Observations

Detailed Forecast

Tonight

ESE wind around 8 kt. Scattered showers, with thunderstorms also possible after 11pm. Seas around 3 ft.

Monday

E wind 8 to 14 kt. Scattered showers and thunderstorms. Seas 3 to 4 ft.

Monday Night

ESE wind 5 to 8 kt. Scattered showers, mainly between 11pm and 2am. Seas around 3 ft.

Tuesday

E wind 6 to 13 kt. Isolated showers, then scattered showers and thunderstorms after 11am. Seas around 3 ft.

Tuesday Night

ESE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Isolated showers. Seas around 3 ft.

Wednesday

E wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Isolated showers, then showers likely and possibly a thunderstorm after 11am. Seas around 3 ft.

Wednesday Night

Variable winds 5 kt or less. Scattered showers. Seas around 3 ft.

Thursday

Variable winds 5 kt or less. Scattered showers. Seas around 2 ft.

Thursday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 2 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.