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27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 9:32 am EDT Apr 15, 2026
Forecast Valid: 12pm EDT Apr 15, 2026-6pm EDT Apr 21, 2026

This Afternoon

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

Tonight

Variable winds less than 5 kt becoming E around 6 kt in the evening. Scattered showers. Seas around 2 ft.

Thursday

E wind 8 to 10 kt. Scattered showers. Seas around 2 ft.

Thursday Night

E wind 5 to 7 kt. Showers likely and possibly a thunderstorm. Seas 2 to 3 ft.

Friday

E wind 5 to 9 kt. Showers likely, with thunderstorms also possible after noon. Seas around 3 ft.

Friday Night

ENE wind around 7 kt. Scattered showers. Seas 2 to 3 ft.

Saturday

E wind 6 to 8 kt. Scattered showers. Seas around 2 ft.

Saturday Night

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

Sunday

E wind 9 to 11 kt. Showers likely. Seas 2 to 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.