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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Labor Day
High: 87 °F
ESE 15kt
2ft
Tonight
Low: 81 °F
ESE 7kt
2-3ft
Tuesday
High: 84 °F
E 15kt
3ft
Tuesday Night
Low: 80 °F
E 11kt
3ft
Wednesday
High: 84 °F
E 15kt
4ft
Wednesday Night
Low: 80 °F
E 11kt
4ft
Thursday
High: 84 °F
E 15kt
4ft
Thursday Night
Low: 80 °F
ESE 9kt
4ft
Friday
High: 85 °F
E 16kt
4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:26 am EDT Sep 7, 2026
Forecast Valid: 11am EDT Sep 7, 2026-6pm EDT Sep 13, 2026

View Nearby Observations

Detailed Forecast

Labor Day

ESE wind 9 to 15 kt, with gusts as high as 21 kt. Scattered showers, then showers likely and possibly a thunderstorm after 3pm. Seas around 2 ft.

Tonight

ESE wind around 7 kt. Isolated showers before midnight, then scattered showers and thunderstorms between midnight and 3am, then scattered showers after 3am. Seas 2 to 3 ft.

Tuesday

E wind 9 to 15 kt, with gusts as high as 21 kt. Scattered showers. Seas around 3 ft.

Tuesday Night

E wind 9 to 11 kt. Scattered showers. Seas around 3 ft.

Wednesday

E wind 10 to 15 kt, with gusts as high as 21 kt. Scattered showers and thunderstorms. Seas around 4 ft.

Wednesday Night

E wind 9 to 11 kt. Scattered showers. Seas around 4 ft.

Thursday

E wind 10 to 15 kt. Scattered showers. Seas around 4 ft.

Thursday Night

ESE wind around 9 kt. Partly cloudy. Seas around 4 ft.

Friday

E wind 9 to 16 kt. Mostly sunny. Seas around 4 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.