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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Saturday
High: 87 °F
ENE 14kt
3ft
Saturday Night
Low: 80 °F
ESE 9kt
2-3ft
Sunday
High: 87 °F
E 16kt
2-3ft
Sunday Night
Low: 81 °F
E 9kt
2ft
Monday
High: 87 °F
E 16kt
2-3ft
Monday Night
Low: 81 °F
E 11kt
2-3ft
Tuesday
High: 87 °F
E 14kt
2ft
Tuesday Night
Low: 81 °F
ESE 9kt
2-3ft
Wednesday
High: 88 °F
ENE 16kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:52 am EDT Aug 22, 2026
Forecast Valid: 4am EDT Aug 22, 2026-6pm EDT Aug 28, 2026

View Nearby Observations

Detailed Forecast

Saturday

ENE wind 7 to 14 kt, with gusts as high as 20 kt. Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Seas around 3 ft.

Saturday Night

ESE wind 6 to 9 kt. Scattered showers, mainly after 3am. Seas 2 to 3 ft.

Sunday

E wind 8 to 16 kt, with gusts as high as 22 kt. Scattered showers, mainly before 9am. Seas 2 to 3 ft.

Sunday Night

E wind 7 to 9 kt. Scattered showers after midnight. Seas around 2 ft.

Monday

E wind 8 to 16 kt, with gusts as high as 22 kt. Isolated showers. Seas 2 to 3 ft.

Monday Night

E wind 6 to 11 kt. Isolated showers. Seas 2 to 3 ft.

Tuesday

E wind 8 to 14 kt, with gusts as high as 20 kt. Scattered showers. Seas around 2 ft.

Tuesday Night

ESE wind 7 to 9 kt. Scattered showers. Seas 2 to 3 ft.

Wednesday

ENE wind 11 to 16 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.