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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Friday
High: 84 °F
E 16kt
4ft
Friday Night
Low: 77 °F
E 11kt
3ft
Saturday
High: 85 °F
E 14kt
3ft
Saturday Night
Low: 77 °F
E 10kt
3-4ft
Sunday
High: 83 °F
E 14kt
3-4ft
Sunday Night
Low: 77 °F
E 11kt
4ft
Memorial Day
High: 85 °F
E 13kt
4ft
Monday Night
Low: 77 °F
E 11kt
4ft
Tuesday
High: 84 °F
E 14kt
4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:50 am EDT May 22, 2026
Forecast Valid: 4am EDT May 22, 2026-6pm EDT May 28, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Friday

E wind 9 to 16 kt. Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Seas around 4 ft.

Friday Night

E wind 8 to 11 kt. Scattered showers, mainly after 3am. Seas around 3 ft.

Saturday

E wind 10 to 14 kt. Isolated showers. Seas around 3 ft.

Saturday Night

E wind around 10 kt. Isolated showers after midnight. Seas 3 to 4 ft.

Sunday

E wind 11 to 14 kt. Scattered showers. Seas 3 to 4 ft.

Sunday Night

E wind around 11 kt. Isolated showers. Seas around 4 ft.

Memorial Day

E wind around 13 kt. Showers likely, mainly after noon. Seas around 4 ft.

Monday Night

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

Tuesday

E wind 12 to 14 kt. Showers likely. 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.