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27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 8:29 pm EDT Jul 27, 2026
Forecast Valid: 9pm EDT Jul 27, 2026-6pm EDT Aug 3, 2026

Tonight

E wind around 7 kt. Scattered showers, with thunderstorms also possible after 3am. Seas around 2 ft.

Tuesday

ESE wind 9 to 11 kt. Showers likely and possibly a thunderstorm before 9am, then scattered showers. Seas around 2 ft.

Tuesday Night

ENE wind around 9 kt. Scattered showers, mainly after midnight. Seas around 2 ft.

Wednesday

E wind 11 to 13 kt. Scattered showers, mainly before noon. Seas around 3 ft.

Wednesday Night

E wind 11 to 13 kt. Isolated showers before midnight. Seas around 3 ft.

Thursday

E wind around 13 kt. Isolated showers before noon. Widespread haze. Seas around 4 ft.

Thursday Night

ENE wind around 11 kt. Widespread haze. Seas around 4 ft.

Friday

E wind 11 to 13 kt. Mostly sunny. Seas around 4 ft.

Friday Night

ENE wind around 9 kt. Clear. 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.