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27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 5:59 pm EDT Mar 27, 2026
Forecast Valid: 12am EDT Mar 28, 2026-6pm EDT Apr 3, 2026

Overnight

ENE wind around 8 kt. Scattered showers, mainly before 3am. Seas around 3 ft.

Saturday

E wind 7 to 10 kt. Isolated showers, then scattered showers and thunderstorms after 9am. Seas 2 to 3 ft.

Saturday Night

NNE wind around 7 kt. Scattered showers, mainly after 3am. Seas around 2 ft.

Sunday

ENE wind 7 to 12 kt. Scattered showers, mainly before noon. Seas around 2 ft.

Sunday Night

NNE wind around 9 kt. Isolated showers. Seas around 2 ft.

Monday

ENE wind 8 to 14 kt. Isolated showers. Seas around 2 ft.

Monday Night

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

Tuesday

ENE wind 8 to 14 kt. Scattered showers. Seas 2 to 3 ft.

Tuesday Night

NE wind around 9 kt. Scattered showers. 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.