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4NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:52 pm EST Jan 1, 2026
Forecast Valid: 6pm EST Jan 1, 2026-6pm EST Jan 8, 2026

Tonight

E wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Scattered showers, mainly before 11pm. Seas around 3 ft.

Friday

Variable winds less than 5 kt becoming E 6 to 11 kt in the morning. Scattered showers, mainly before 2pm. Seas around 3 ft.

Friday Night

E wind 5 to 7 kt becoming variable and less than 5 kt. Isolated showers, then scattered showers and thunderstorms after 2am. Seas around 3 ft.

Saturday

E wind 5 to 10 kt. Scattered showers, mainly after 11am. Seas around 3 ft.

Saturday Night

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

Sunday

ESE wind 5 to 10 kt. Isolated showers. Seas around 3 ft.

Sunday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.

Monday

Variable winds less than 5 kt becoming N 5 to 8 kt in the morning. Showers likely. Seas around 2 ft.

Monday Night

Variable winds 5 kt or less. Scattered showers. Seas around 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.