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3NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 9:13 pm EDT Sep 5, 2026
Forecast Valid: 10pm EDT Sep 5, 2026-6pm EDT Sep 12, 2026

Tonight

SE wind 5 to 7 kt. Scattered showers. Seas around 2 ft.

Sunday

ESE wind 7 to 13 kt. Scattered showers, mainly after 9am. Seas around 2 ft.

Sunday Night

SE wind 5 to 7 kt. Scattered showers and thunderstorms before 9pm, then isolated showers after midnight. Seas around 2 ft.

Labor Day

E wind 7 to 15 kt, with gusts as high as 21 kt. Showers likely and possibly a thunderstorm after noon. Seas 2 to 3 ft.

Monday Night

ESE wind around 9 kt. Isolated showers. Seas around 3 ft.

Tuesday

E wind 12 to 15 kt, with gusts as high as 21 kt. Scattered showers. Seas around 3 ft.

Tuesday Night

E wind 7 to 9 kt. Scattered showers. Seas around 3 ft.

Wednesday

E wind 10 to 14 kt, with gusts as high as 20 kt. Scattered showers. Seas around 4 ft.

Wednesday Night

E wind 8 to 10 kt. Scattered showers. Seas around 4 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.