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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

This Afternoon
High: 84 °F
ENE 11kt
3ft
Tonight
Low: 82 °F
E 9kt
3ft
Sunday
High: 84 °F
E 13kt
3ft
Sunday Night
Low: 82 °F
E 9kt
3ft
Monday
High: 84 °F
E 13kt
3ft
Monday Night
Low: 82 °F
ESE 8kt
3ft
Tuesday
High: 84 °F
E 14kt
3ft
Tuesday Night
Low: 82 °F
SE 8kt⇓
3ft
Wednesday
High: 84 °F
⇑E 8kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:12 pm EDT Oct 31, 2026
Forecast Valid: 4pm EDT Oct 31, 2026-6pm EST Nov 7, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

ENE wind around 11 kt. Scattered showers. Seas around 3 ft.

Tonight

E wind around 9 kt. Scattered showers before midnight, then scattered showers and thunderstorms between midnight and 3am, then scattered showers after 3am. Seas around 3 ft.

Sunday

E wind 6 to 13 kt. Scattered showers, with thunderstorms also possible after noon. Seas around 3 ft.

Sunday Night

E wind 6 to 9 kt. Scattered showers, then showers likely and possibly a thunderstorm after midnight. Seas around 3 ft.

Monday

E wind 8 to 13 kt. Scattered showers and thunderstorms. Seas around 3 ft.

Monday Night

ESE wind 5 to 8 kt. Scattered showers. Seas around 3 ft.

Tuesday

E wind 6 to 14 kt. Scattered showers after noon. Seas around 3 ft.

Tuesday Night

SE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas around 3 ft.

Wednesday

Variable winds less than 5 kt becoming E 5 to 8 kt in the morning. Showers likely. 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.