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27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 9:53 am EDT Apr 13, 2026
Forecast Valid: 11am EDT Apr 13, 2026-6pm EDT Apr 19, 2026

Today

ENE wind around 8 kt. Showers likely and possibly a thunderstorm. Seas around 2 ft.

Tonight

Variable winds less than 5 kt becoming NE 5 to 7 kt in the evening. Showers and possibly a thunderstorm. Seas around 2 ft.

Tuesday

ENE wind 5 to 7 kt becoming variable and less than 5 kt in the morning. Showers and possibly a thunderstorm. Seas 2 to 3 ft.

Tuesday Night

NE wind around 6 kt. Showers and possibly a thunderstorm. Seas around 2 ft.

Wednesday

ESE wind 5 to 8 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers. Seas around 2 ft.

Wednesday Night

E wind 5 to 7 kt. Showers likely, mainly before midnight. Seas around 2 ft.

Thursday

E wind around 8 kt. Showers likely, mainly before noon. Seas around 2 ft.

Thursday Night

ENE wind around 8 kt. Showers likely. Seas 2 to 3 ft.

Friday

E wind 7 to 9 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.