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27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:41 pm EDT Oct 4, 2026
Forecast Valid: 4pm EDT Oct 4, 2026-6pm EDT Oct 11, 2026

This Afternoon

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

Tonight

ENE wind around 6 kt becoming variable and less than 5 kt after midnight. Scattered showers. Seas 1 to 2 ft.

Monday

ESE wind 7 to 10 kt. Scattered showers, mainly before 3pm. Seas 1 to 2 ft.

Monday Night

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

Tuesday

E wind around 8 kt. Scattered showers, mainly after noon. Seas around 2 ft.

Tuesday Night

ENE wind around 7 kt. Scattered showers, mainly before midnight. Seas around 2 ft.

Wednesday

ESE wind 9 to 11 kt. Scattered showers. Seas around 2 ft.

Wednesday Night

E wind around 6 kt becoming variable and less than 5 kt in the evening. Showers likely. Seas around 2 ft.

Thursday

E wind 6 to 9 kt. Showers likely. Seas 1 to 2 ft.

*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.