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3NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 9:42 am EST Nov 3, 2026
Forecast Valid: 1pm EST Nov 3, 2026-6pm EST Nov 9, 2026

This Afternoon

E wind 9 to 13 kt. Scattered showers and thunderstorms after 2pm. Seas around 3 ft.

Tonight

Variable winds 5 kt or less. Scattered showers, mainly before 8pm. Seas around 3 ft.

Wednesday

E wind 5 to 8 kt becoming variable and less than 5 kt in the afternoon. Scattered showers, mainly between 8am and 5pm. Seas around 3 ft.

Wednesday Night

Variable winds 5 kt or less. Isolated showers before 8pm, then isolated showers after 11pm. Seas around 3 ft.

Thursday

Variable winds 5 kt or less. Isolated showers, then showers likely and possibly a thunderstorm after 11am. Seas around 2 ft.

Thursday Night

Variable winds 5 kt or less. Isolated showers. Seas around 2 ft.

Friday

SW wind 5 to 8 kt becoming W in the afternoon. Showers likely after 11am. Seas around 3 ft.

Friday Night

SW wind around 7 kt. Partly cloudy. Seas 3 to 4 ft.

Saturday

SW wind 7 to 13 kt becoming WNW in the afternoon. Showers likely. Seas 4 to 5 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.