News Headlines

For More Weather Information:

3NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:47 am EDT Sep 15, 2026
Forecast Valid: 1pm EDT Sep 15, 2026-6pm EDT Sep 21, 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

This Afternoon

E wind around 13 kt. Scattered showers and thunderstorms. Seas around 3 ft.

Tonight

E wind 8 to 10 kt. Scattered showers, mainly before 3am. Seas around 3 ft.

Wednesday

E wind 9 to 14 kt, with gusts as high as 20 kt. Scattered showers. Seas around 3 ft.

Wednesday Night

ESE wind 8 to 10 kt. Scattered showers, with thunderstorms also possible after midnight. Seas around 3 ft.

Thursday

E wind 8 to 15 kt. Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Seas around 3 ft.

Thursday Night

ESE wind 6 to 8 kt. Showers likely and possibly a thunderstorm. Seas around 3 ft.

Friday

E wind 8 to 13 kt. Mostly sunny. Seas around 3 ft.

Friday Night

ESE wind 5 to 8 kt. Clear. Seas around 3 ft.

Saturday

E wind 6 to 14 kt. Scattered showers. Seas around 2 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.