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27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:49 pm EDT Sep 23, 2026
Forecast Valid: 6pm EDT Sep 23, 2026-6pm EDT Sep 30, 2026

Tonight

E wind 5 to 7 kt. Scattered showers. Seas 1 to 2 ft.

Thursday

ESE wind 6 to 8 kt. Scattered showers, mainly before noon. Seas 1 to 2 ft.

Thursday Night

E wind around 6 kt. Isolated showers before 3am. Seas around 2 ft.

Friday

ESE wind 6 to 8 kt. Scattered showers, mainly between 9am and noon. Seas around 2 ft.

Friday Night

E wind around 7 kt. Scattered showers. Seas around 2 ft.

Saturday

ESE wind 7 to 9 kt. Isolated showers. Seas around 2 ft.

Saturday Night

ENE wind 5 to 7 kt. Clear. Seas around 2 ft.

Sunday

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

Sunday Night

ENE wind around 7 kt. Scattered showers. Seas around 2 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.