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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Tonight
Low: 82 °F
Light Wind
2ft
Friday
High: 82 °F
Light Wind
3ft
Friday Night
Low: 82 °F
Light Wind
3ft
Saturday
High: 82 °F
⇑WNW 6kt
3-4ft
Saturday Night
Low: 82 °F
Light Wind
4ft
Sunday
High: 84 °F
Light Wind
4ft
Sunday Night
Low: 82 °F
Light Wind
4ft
Monday
High: 84 °F
⇑N 7kt
3-4ft
Monday Night
Low: 82 °F
Light Wind
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:44 pm EST Nov 5, 2026
Forecast Valid: 8pm EST Nov 5, 2026-6pm EST Nov 12, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Scattered showers, mainly before 11pm. Seas around 2 ft.

Friday

Variable winds 5 kt or less. Scattered showers, then showers likely and possibly a thunderstorm after 11am. Seas around 3 ft.

Friday Night

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

Saturday

Variable winds less than 5 kt becoming WNW around 6 kt in the morning. Scattered showers, then showers likely and possibly a thunderstorm after 11am. Seas 3 to 4 ft.

Saturday Night

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

Sunday

Variable winds 5 kt or less. Isolated showers, then showers likely and possibly a thunderstorm after 11am. Seas around 4 ft.

Sunday Night

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

Monday

Variable winds less than 5 kt becoming N 5 to 7 kt. Showers likely. Seas 3 to 4 ft.

Monday Night

Variable winds 5 kt or less. Partly cloudy. 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.