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27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 8:03 pm EDT Sep 21, 2026
Forecast Valid: 1am EDT Sep 22, 2026-6pm EDT Sep 28, 2026

Tuesday

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

Tuesday Night

E wind 5 to 7 kt. Scattered showers, mainly after midnight. Seas around 2 ft.

Wednesday

ESE wind 7 to 10 kt. Scattered showers before 9am, then isolated showers after noon. Seas around 2 ft.

Wednesday Night

E wind around 6 kt. Showers likely after midnight. Seas around 2 ft.

Thursday

ESE wind 7 to 9 kt. Scattered showers, mainly before noon. Seas around 2 ft.

Thursday Night

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

Friday

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

Friday Night

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

Saturday

ESE wind around 8 kt. Mostly sunny. 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.