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27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 5:53 pm EDT Apr 29, 2026
Forecast Valid: 8pm EDT Apr 29, 2026-6pm EDT May 6, 2026

Tonight

Variable winds 5 kt or less. Scattered showers and thunderstorms. Seas around 2 ft.

Thursday

E wind 6 to 8 kt becoming SE in the afternoon. Showers likely, mainly between 9am and noon. Seas around 2 ft.

Thursday Night

ENE wind 5 to 7 kt becoming variable and less than 5 kt. Scattered showers. Seas around 2 ft.

Friday

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

Friday Night

E wind 7 to 9 kt. Scattered showers. Seas around 2 ft.

Saturday

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

Saturday Night

E wind around 9 kt. Clear. Seas around 3 ft.

Sunday

ESE wind around 9 kt. Scattered showers. Seas around 3 ft.

Sunday Night

E wind around 9 kt. Partly cloudy. Seas around 3 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.