News Headlines

For More Weather Information:

4NM NE San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:32 am EDT Sep 21, 2026
Forecast Valid: 10am EDT Sep 21, 2026-6pm EDT Sep 27, 2026

Today

E wind 9 to 14 kt. Isolated showers, then scattered showers and thunderstorms after noon. Seas 1 ft or less.

Tonight

ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Scattered showers and thunderstorms. Seas 1 ft or less.

Tuesday

E wind 5 to 13 kt. Scattered showers, with thunderstorms also possible after noon. Seas 1 ft or less.

Tuesday Night

ESE wind 6 to 8 kt. Scattered showers. Seas 1 ft or less.

Wednesday

E wind 7 to 15 kt. Scattered showers. Seas 1 ft or less.

Wednesday Night

ESE wind 5 to 8 kt. Scattered showers. Seas 1 ft or less.

Thursday

E wind 7 to 14 kt. Scattered showers. Seas 1 ft or less.

Thursday Night

SE wind 6 to 8 kt. Scattered showers. Seas 1 ft or less.

Friday

E wind 6 to 14 kt, with gusts as high as 20 kt. Scattered showers. Seas 1 ft or less.

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.