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3NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:26 am EDT Jul 21, 2026
Forecast Valid: 5am EDT Jul 21, 2026-6pm EDT Jul 27, 2026

Today

NE wind 5 to 12 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers. Seas around 2 ft.

Tonight

ENE wind 6 to 8 kt becoming ESE after midnight. Scattered showers, mainly before midnight. Seas around 2 ft.

Wednesday

ESE wind 6 to 16 kt, with gusts as high as 22 kt. Scattered showers, mainly between noon and 3pm. Seas around 2 ft.

Wednesday Night

ESE wind 7 to 9 kt. Isolated showers. Seas around 3 ft.

Thursday

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

Thursday Night

ESE wind 6 to 9 kt. Isolated showers. Seas around 3 ft.

Friday

ENE wind 9 to 15 kt. Sunny. Seas around 3 ft.

Friday Night

E wind around 10 kt. Mostly clear. Seas around 3 ft.

Saturday

E wind 11 to 16 kt, with gusts as high as 22 kt. Mostly sunny. 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.