News Headlines

For More Weather Information:

27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:46 pm EDT Aug 17, 2026
Forecast Valid: 5pm EDT Aug 17, 2026-6pm EDT Aug 24, 2026

Tonight

ENE wind 6 to 9 kt. Isolated showers. Seas 2 to 3 ft.

Tuesday

E wind 9 to 11 kt. Isolated showers after 9am. Seas around 2 ft.

Tuesday Night

ENE wind around 8 kt. Scattered showers, with thunderstorms also possible after 3am. Seas around 2 ft.

Wednesday

SE wind around 7 kt. Scattered showers. Seas around 2 ft.

Wednesday Night

E wind 6 to 8 kt. Scattered showers. Seas around 2 ft.

Thursday

E wind around 12 kt. Scattered showers and thunderstorms before noon, then isolated showers. Seas 2 to 3 ft.

Thursday Night

ENE wind around 11 kt. Partly cloudy. Seas around 3 ft.

Friday

E wind 10 to 12 kt. Scattered showers. Seas around 3 ft.

Friday Night

ENE wind around 9 kt. Scattered showers. Seas around 3 ft.

*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.