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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

This Afternoon
High: 85 °F
E 12kt
3ft
Tonight
Low: 82 °F
ESE 8kt
3ft
Friday
High: 85 °F
⇑E 10kt
3ft
Friday Night
Low: 82 °F
ESE 7kt⇓
3ft
Saturday
High: 85 °F
⇑E 12kt
3ft
Saturday Night
Low: 82 °F
E 8kt
3ft
Sunday
High: 85 °F
E 11kt
3ft
Sunday Night
Low: 82 °F
ESE 8kt
3ft
Monday
High: 85 °F
E 8kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:13 am EDT Oct 29, 2026
Forecast Valid: 3pm EDT Oct 29, 2026-6pm EST Nov 4, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

E wind around 12 kt. Showers likely and possibly a thunderstorm. Seas around 3 ft.

Tonight

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

Friday

Variable winds less than 5 kt becoming E 5 to 10 kt in the morning. Scattered showers, mainly after 3pm. Seas around 3 ft.

Friday Night

ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Scattered showers and thunderstorms. Seas around 3 ft.

Saturday

Variable winds less than 5 kt becoming E 7 to 12 kt in the morning. Isolated showers, then showers likely and possibly a thunderstorm after noon. Seas around 3 ft.

Saturday Night

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

Sunday

E wind 7 to 11 kt. Scattered showers after noon. Seas around 3 ft.

Sunday Night

ESE wind 5 to 8 kt. Partly cloudy. Seas around 3 ft.

Monday

E wind 5 to 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.