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4NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:23 am EST Nov 4, 2025
Forecast Valid: 3am EST Nov 4, 2025-6pm EST Nov 10, 2025

Tuesday

ESE wind 5 to 12 kt becoming ENE in the afternoon. Scattered showers, mainly between 11am and 2pm. Seas around 3 ft.

Tuesday Night

E wind around 6 kt becoming variable and less than 5 kt. Scattered showers, mainly before 5am. Seas around 3 ft.

Wednesday

E wind 5 to 12 kt. Scattered showers, mainly after 2pm. Seas around 3 ft.

Wednesday Night

ESE wind 6 to 8 kt. Scattered showers. Seas around 3 ft.

Thursday

E wind 8 to 13 kt. Scattered showers, mainly before 11am. Seas around 3 ft.

Thursday Night

E wind 5 to 7 kt. Isolated showers. Seas around 4 ft.

Friday

E wind 6 to 12 kt. Scattered showers. Seas around 4 ft.

Friday Night

ESE wind around 8 kt. Mostly clear. Seas around 4 ft.

Saturday

E wind 7 to 13 kt. Scattered showers. Seas around 4 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.