For More Weather Information:

4NM NE San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:13 am EDT May 12, 2026
Forecast Valid: 6am EDT May 12, 2026-6pm EDT May 18, 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Today

E wind 10 to 15 kt, with gusts as high as 21 kt. Scattered showers, mainly before 3pm. Seas 1 ft or less.

Tonight

ESE wind around 10 kt. Showers likely, mainly between midnight and 3am. Seas 1 ft or less.

Wednesday

ESE wind 9 to 16 kt, with gusts as high as 22 kt. Showers likely, mainly after noon. Seas 1 ft or less.

Wednesday Night

ESE wind around 9 kt. Scattered showers. Seas 1 ft or less.

Thursday

ESE wind 9 to 16 kt. Scattered showers. Seas 1 ft or less.

Thursday Night

ESE wind 6 to 9 kt. Isolated showers before midnight. Seas 1 ft or less.

Friday

E wind 7 to 16 kt, with gusts as high as 22 kt. Scattered showers after noon. Seas 1 ft or less.

Friday Night

ESE wind 8 to 10 kt. Partly cloudy. Seas 1 ft or less.

Saturday

E wind 10 to 15 kt. Scattered showers. Seas 1 ft or less.

*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.