For More Weather Information:

27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:26 am EDT Jul 21, 2026
Forecast Valid: 4am EDT Jul 21, 2026-6pm EDT Jul 27, 2026

Tuesday

NNE wind 5 to 13 kt becoming E in the afternoon. Scattered showers and thunderstorms. Seas around 2 ft.

Tuesday Night

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

Wednesday

ESE wind around 9 kt. Showers likely, mainly before noon. Seas around 2 ft.

Wednesday Night

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

Thursday

ESE wind 9 to 11 kt. Isolated showers. Seas around 2 ft.

Thursday Night

E wind around 9 kt. Isolated showers. Seas 2 to 3 ft.

Friday

E wind 9 to 12 kt. Mostly sunny. Seas around 3 ft.

Friday Night

ENE wind 8 to 10 kt. Mostly clear. Seas around 3 ft.

Saturday

E wind 11 to 13 kt. Mostly sunny. 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.