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4NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 4:28 pm EDT Mar 25, 2026
Forecast Valid: 9pm EDT Mar 25, 2026-6pm EDT Apr 1, 2026

Tonight

ESE wind around 7 kt. Showers likely, mainly after 3am. Seas around 4 ft.

Thursday

E wind 7 to 14 kt. Scattered showers, then showers likely and possibly a thunderstorm after noon. Seas around 4 ft.

Thursday Night

ESE wind around 9 kt. Scattered showers, mainly before midnight. Seas around 4 ft.

Friday

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

Friday Night

E wind 7 to 9 kt. Scattered showers and thunderstorms. Seas around 4 ft.

Saturday

ENE wind 7 to 12 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers. Seas around 3 ft.

Saturday Night

E wind around 8 kt. Scattered showers. Seas around 3 ft.

Sunday

ENE wind 8 to 13 kt. Scattered showers. Seas around 3 ft.

Sunday Night

ENE wind around 12 kt. Partly cloudy. Seas 3 to 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.