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27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 9:42 pm EDT Mar 31, 2026
Forecast Valid: 1am EDT Apr 1, 2026-6pm EDT Apr 7, 2026

Wednesday

E wind 6 to 12 kt. Showers likely, mainly before 9am. Seas around 3 ft.

Wednesday Night

NE wind 6 to 9 kt. Scattered showers, mainly after midnight. Seas around 3 ft.

Thursday

E wind 8 to 11 kt. Scattered showers. Seas around 3 ft.

Thursday Night

NE wind 7 to 9 kt. Showers likely, mainly after midnight. Seas around 3 ft.

Friday

E wind 6 to 11 kt. Scattered showers. Seas around 3 ft.

Friday Night

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

Saturday

E wind around 11 kt. Scattered showers. Seas around 3 ft.

Saturday Night

E wind around 10 kt. Scattered showers. Seas around 3 ft.

Sunday

E wind around 11 kt. Showers likely. Seas 3 to 4 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.