For More Weather Information:

27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 4:00 am EDT Apr 20, 2026
Forecast Valid: 9am EDT Apr 20, 2026-6pm EDT Apr 26, 2026

Today

E wind 9 to 12 kt. Scattered showers, mainly before noon. Seas around 3 ft.

Tonight

ENE wind 7 to 9 kt. Scattered showers. Seas around 3 ft.

Tuesday

ESE wind 6 to 8 kt. Isolated showers. Seas 2 to 3 ft.

Tuesday Night

NE wind around 6 kt. Scattered showers, mainly after midnight. Seas around 2 ft.

Wednesday

E wind 5 to 11 kt. Scattered showers. Seas around 2 ft.

Wednesday Night

NE wind 5 to 7 kt. Isolated showers. Seas 1 to 2 ft.

Thursday

NE wind 5 to 9 kt becoming E in the afternoon. Scattered showers. Seas around 1 ft.

Thursday Night

Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

Friday

Variable winds less than 5 kt becoming ESE 5 to 7 kt in the morning. Scattered showers. Seas around 1 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.