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3NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 9:56 pm EDT Sep 17, 2026
Forecast Valid: 10pm EDT Sep 17, 2026-6pm EDT Sep 24, 2026

Tonight

ESE wind around 8 kt. Scattered showers, mainly before 3am. Seas around 3 ft.

Friday

E wind 6 to 14 kt. Scattered showers, mainly after 9am. Seas around 3 ft.

Friday Night

ESE wind 6 to 9 kt. Showers likely, mainly between midnight and 3am. Seas around 3 ft.

Saturday

E wind 6 to 14 kt. Scattered showers, mainly after noon. Seas 2 to 3 ft.

Saturday Night

SE wind 5 to 8 kt. Scattered showers. Seas around 2 ft.

Sunday

E wind 7 to 13 kt. Isolated showers, then scattered showers and thunderstorms after noon. Seas around 2 ft.

Sunday Night

SE wind 5 to 7 kt. Partly cloudy. Seas around 2 ft.

Monday

SE wind 6 to 14 kt becoming E in the afternoon. Winds could gust as high as 20 kt. Mostly sunny. Seas around 2 ft.

Monday Night

SE wind 5 to 8 kt. Partly cloudy. 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.