News Headlines

For More Weather Information:

3NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 4:27 pm EDT Aug 18, 2026
Forecast Valid: 11pm EDT Aug 18, 2026-6pm EDT Aug 25, 2026

Overnight

E wind 7 to 9 kt. Isolated showers after midnight. Seas 2 to 3 ft.

Wednesday

E wind 7 to 15 kt. Scattered showers and thunderstorms. Seas around 2 ft.

Wednesday Night

ESE wind around 9 kt. Scattered showers and thunderstorms. Seas around 2 ft.

Thursday

E wind 11 to 15 kt, with gusts as high as 21 kt. Isolated showers. Seas around 3 ft.

Thursday Night

E wind 9 to 11 kt. Mostly clear. Seas around 3 ft.

Friday

ENE wind 13 to 15 kt. Isolated showers after noon. Seas around 3 ft.

Friday Night

E wind around 10 kt. Scattered showers. Seas around 3 ft.

Saturday

ENE wind 8 to 14 kt, with gusts as high as 20 kt. Mostly sunny. Seas around 3 ft.

Saturday Night

E wind around 9 kt. Scattered showers. Seas around 3 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.