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3NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 7:20 pm EDT Aug 12, 2026
Forecast Valid: 1am EDT Aug 13, 2026-6pm EDT Aug 19, 2026

Thursday

E wind 10 to 18 kt, with gusts as high as 25 kt. Scattered showers, mainly before noon. Seas 3 to 4 ft.

Thursday Night

E wind 11 to 13 kt. Isolated showers after midnight. Seas around 4 ft.

Friday

E wind 14 to 17 kt, with gusts as high as 23 kt. Isolated showers. Seas around 5 ft.

Friday Night

E wind around 13 kt. Isolated showers. Seas around 4 ft.

Saturday

ENE wind 13 to 16 kt, with gusts as high as 22 kt. Scattered showers, mainly after noon. Seas around 5 ft.

Saturday Night

E wind 12 to 14 kt, with gusts as high as 20 kt. Clear. Seas around 5 ft.

Sunday

E wind 15 to 19 kt, with gusts as high as 25 kt. Showers likely, mainly after noon. Seas around 5 ft.

Sunday Night

E wind 10 to 14 kt. Showers likely. Seas around 6 ft.

Monday

E wind 8 to 14 kt. Showers likely. Seas 4 to 5 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.