For More Weather Information:

27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:35 am EDT Jun 18, 2026
Forecast Valid: 4am EDT Jun 18, 2026-6pm EDT Jun 24, 2026

Thursday

E wind 8 to 12 kt. Scattered showers, mainly between noon and 3pm. Seas around 2 ft.

Thursday Night

E wind around 11 kt. Showers likely, mainly after 3am. Seas around 3 ft.

Juneteenth

E wind around 12 kt. Scattered showers, mainly before 9am. Seas around 3 ft.

Friday Night

E wind around 10 kt. Isolated showers. Seas around 3 ft.

Saturday

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

Saturday Night

ENE wind around 11 kt. Isolated showers, then showers likely and possibly a thunderstorm after midnight. Seas around 3 ft.

Sunday

E wind 9 to 11 kt. Scattered showers after noon. Seas around 3 ft.

Sunday Night

E wind 9 to 11 kt. Partly cloudy. Seas around 3 ft.

Monday

E wind 11 to 14 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.