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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

This Afternoon
High: 86 °F
E 13kt
2ft
Tonight
Low: 82 °F
E 10kt
2-3ft
Saturday
High: 86 °F
E 12kt
3ft
Saturday Night
Low: 83 °F
E 10kt
3ft
Sunday
High: 86 °F
E 14kt
3ft
Sunday Night
Low: 83 °F
E 7kt
3ft
Columbus Day
High: 86 °F
E 13kt
2ft
Monday Night
Low: 83 °F
Light Wind
2ft
Tuesday
High: 86 °F
E 11kt
2-3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:13 pm EDT Oct 9, 2026
Forecast Valid: 4pm EDT Oct 9, 2026-6pm EDT Oct 16, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

This Afternoon

E wind around 13 kt. Isolated showers. Seas around 2 ft.

Tonight

E wind around 10 kt. Scattered showers before midnight, then scattered showers and thunderstorms between midnight and 3am, then showers likely and possibly a thunderstorm after 3am. Seas 2 to 3 ft.

Saturday

E wind 10 to 12 kt. Scattered showers, mainly after 3pm. Seas around 3 ft.

Saturday Night

E wind around 10 kt. Scattered showers, mainly after midnight. Seas around 3 ft.

Sunday

E wind 9 to 14 kt. Scattered showers. Seas around 3 ft.

Sunday Night

E wind around 7 kt. Isolated showers after midnight. Seas around 3 ft.

Columbus Day

E wind 7 to 13 kt. Mostly sunny. Seas around 2 ft.

Monday Night

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

Tuesday

E wind 6 to 11 kt. Scattered showers. Seas 2 to 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.