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27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:38 am EDT Apr 11, 2026
Forecast Valid: 7am EDT Apr 11, 2026-6pm EDT Apr 17, 2026

Today

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

Tonight

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

Sunday

E wind around 9 kt. Scattered showers, with thunderstorms also possible after 3pm. Seas around 2 ft.

Sunday Night

ENE wind around 7 kt. Showers likely and possibly a thunderstorm. Seas around 2 ft.

Monday

E wind 7 to 11 kt. Showers likely and possibly a thunderstorm. Seas around 2 ft.

Monday Night

NE wind 6 to 8 kt. Showers likely and possibly a thunderstorm. Seas 2 to 3 ft.

Tuesday

E wind 10 to 12 kt. Showers. Seas around 3 ft.

Tuesday Night

ENE wind around 9 kt. Showers. Seas around 3 ft.

Wednesday

E wind 7 to 9 kt. Showers likely. 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.