For More Weather Information:

4NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:50 pm EST Nov 21, 2025
Forecast Valid: 2pm EST Nov 21, 2025-6pm EST Nov 27, 2025

This Afternoon

ENE wind around 10 kt. Sunny. Seas around 3 ft.

Tonight

ENE wind around 8 kt. Isolated showers. Seas around 3 ft.

Saturday

ENE wind 8 to 10 kt. Isolated showers before 8am. Seas around 3 ft.

Saturday Night

E wind 5 to 7 kt. Scattered showers, mainly after 11pm. Seas around 2 ft.

Sunday

ENE wind 6 to 9 kt. Scattered showers. Seas around 2 ft.

Sunday Night

E wind 5 to 7 kt. Isolated showers before 11pm. Seas around 2 ft.

Monday

Variable winds less than 5 kt becoming E 7 to 12 kt in the morning. Scattered showers before 11am. Seas around 2 ft.

Monday Night

E wind around 9 kt. Scattered showers. Seas 2 to 3 ft.

Tuesday

ENE wind 10 to 14 kt. Scattered showers. Seas around 3 ft.

*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.