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27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:32 am EDT Sep 24, 2026
Forecast Valid: 2pm EDT Sep 24, 2026-6pm EDT Sep 30, 2026

This Afternoon

SE wind around 8 kt. Showers likely and possibly a thunderstorm. Seas around 2 ft.

Tonight

E wind around 6 kt. Scattered showers, mainly before 9pm. Seas around 2 ft.

Friday

ESE wind around 7 kt. Scattered showers, mainly between 9am and noon. Seas around 2 ft.

Friday Night

E wind around 6 kt. Scattered showers and thunderstorms. Seas around 2 ft.

Saturday

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

Saturday Night

ENE wind 5 to 7 kt. Scattered showers. Seas around 2 ft.

Sunday

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

Sunday Night

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

Monday

E wind around 10 kt. Scattered showers. Seas around 2 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.