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27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:51 am EDT Oct 14, 2026
Forecast Valid: 7am EDT Oct 14, 2026-6pm EDT Oct 20, 2026

Today

E wind 7 to 11 kt. Scattered showers, mainly after 3pm. Seas 1 to 2 ft.

Tonight

NE wind around 6 kt. Scattered showers, mainly between 9pm and 3am. Seas around 2 ft.

Thursday

E wind 8 to 10 kt. Isolated showers, then scattered showers and thunderstorms after 3pm. Seas around 2 ft.

Thursday Night

ENE wind around 6 kt. Showers likely, mainly after midnight. Seas around 2 ft.

Friday

E wind 5 to 11 kt. Scattered showers, mainly before noon. Seas around 2 ft.

Friday Night

ENE wind 6 to 8 kt. Scattered showers, mainly after midnight. Seas around 2 ft.

Saturday

E wind around 8 kt. Mostly sunny. Seas around 2 ft.

Saturday Night

ENE wind around 6 kt. Partly cloudy. Seas around 2 ft.

Sunday

E wind 6 to 10 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.