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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Today
High: 84 °F
ENE 12kt
3ft
Tonight
Low: 82 °F
E 8kt
3ft
Sunday
High: 84 °F
E 12kt
3ft
Sunday Night
Low: 82 °F
E 8kt
3ft
Monday
High: 84 °F
E 14kt
3ft
Monday Night
Low: 82 °F
ESE 7kt
3ft
Tuesday
High: 84 °F
E 9kt
3ft
Tuesday Night
Low: 82 °F
Light Wind
3ft
Wednesday
High: 84 °F
⇑E 6kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:56 am EDT Oct 31, 2026
Forecast Valid: 11am EDT Oct 31, 2026-6pm EST Nov 6, 2026

View Nearby Observations

Detailed Forecast

Today

ENE wind around 12 kt. Scattered showers. Seas around 3 ft.

Tonight

E wind 6 to 8 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 8 to 12 kt. Scattered showers, with thunderstorms also possible after noon. Seas around 3 ft.

Sunday Night

E wind around 8 kt. Showers likely and possibly a thunderstorm. Seas around 3 ft.

Monday

E wind 11 to 14 kt. Scattered showers and thunderstorms. Seas around 3 ft.

Monday Night

ESE wind around 7 kt. Scattered showers. Seas around 3 ft.

Tuesday

E wind around 9 kt. Scattered showers after noon. Seas around 3 ft.

Tuesday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.

Wednesday

Variable winds less than 5 kt becoming E around 6 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.