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3NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 10:12 pm EDT Sep 10, 2026
Forecast Valid: 11pm EDT Sep 10, 2026-6pm EDT Sep 17, 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Overnight

ESE wind 8 to 11 kt. Isolated showers. Seas around 4 ft.

Friday

E wind 10 to 16 kt. Scattered showers, mainly between 9am and noon. Seas around 4 ft.

Friday Night

ESE wind around 10 kt. Isolated showers between 9pm and 3am. Seas around 3 ft.

Saturday

ENE wind 10 to 14 kt. Isolated showers between noon and 3pm. Seas around 3 ft.

Saturday Night

E wind 9 to 11 kt. Scattered showers, mainly after midnight. Seas around 3 ft.

Sunday

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

Sunday Night

ESE wind 7 to 10 kt. Partly cloudy. Seas around 3 ft.

Monday

E wind 8 to 16 kt, with gusts as high as 22 kt. Showers likely. Seas around 3 ft.

Monday Night

ESE wind 6 to 10 kt. Partly cloudy. Seas around 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.