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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Thursday
High: 85 °F
E 15kt
4ft
Thursday Night
Low: 82 °F
ESE 10kt
4ft
Friday
High: 85 °F
E 14kt
4ft
Friday Night
Low: 82 °F
E 10kt
3ft
Saturday
High: 85 °F
ENE 14kt
3ft
Saturday Night
Low: 82 °F
E 12kt
3ft
Sunday
High: 85 °F
ENE 14kt
3ft
Sunday Night
Low: 82 °F
ESE 10kt
3ft
Monday
High: 85 °F
E 15kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:56 pm EDT Sep 9, 2026
Forecast Valid: 1am EDT Sep 10, 2026-6pm EDT Sep 16, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Thursday

E wind 10 to 15 kt, with gusts as high as 21 kt. Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Seas around 4 ft.

Thursday Night

ESE wind around 10 kt. Isolated showers. Seas around 4 ft.

Friday

E wind 9 to 14 kt. Scattered showers, mainly between 9am and noon. Seas around 4 ft.

Friday Night

E wind 8 to 10 kt. Mostly clear. Seas around 3 ft.

Saturday

ENE wind 9 to 14 kt. Isolated showers after noon. Seas around 3 ft.

Saturday Night

E wind 10 to 12 kt. Isolated showers. Seas around 3 ft.

Sunday

ENE wind 11 to 14 kt, with gusts as high as 20 kt. Scattered showers after noon. Seas around 3 ft.

Sunday Night

ESE wind 8 to 10 kt. Partly cloudy. Seas around 3 ft.

Monday

E wind 8 to 15 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.