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4NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 9:32 pm EDT May 3, 2026
Forecast Valid: 11pm EDT May 3, 2026-6pm EDT May 10, 2026

Overnight

ESE wind around 8 kt. Isolated showers before midnight, then isolated showers after 3am. Seas around 3 ft.

Monday

E wind 8 to 15 kt. Isolated showers after noon. Seas around 3 ft.

Monday Night

ESE wind 5 to 7 kt becoming variable and less than 5 kt. Isolated showers after midnight. Seas around 3 ft.

Tuesday

E wind 8 to 15 kt. Scattered showers. Seas around 3 ft.

Tuesday Night

ESE wind 5 to 8 kt. Isolated showers. Seas around 3 ft.

Wednesday

E wind 7 to 15 kt, with gusts as high as 21 kt. Isolated showers after noon. Seas around 3 ft.

Wednesday Night

ESE wind 7 to 9 kt. Partly cloudy. Seas around 3 ft.

Thursday

E wind 9 to 14 kt. Mostly sunny. Seas around 3 ft.

Thursday Night

E wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 2 to 3 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.