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3NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:47 pm EDT Sep 21, 2026
Forecast Valid: 3pm EDT Sep 21, 2026-6pm EDT Sep 27, 2026

This Afternoon

E wind around 11 kt. Scattered showers and thunderstorms. Seas around 2 ft.

Tonight

SE wind around 6 kt becoming variable and less than 5 kt after midnight. Scattered showers and thunderstorms. Seas around 2 ft.

Tuesday

SE wind 5 to 12 kt becoming E in the morning. Scattered showers, with thunderstorms also possible after noon. Seas around 2 ft.

Tuesday Night

ESE wind 5 to 8 kt. Scattered showers after midnight. Seas around 2 ft.

Wednesday

E wind 6 to 15 kt. Scattered showers. Seas around 2 ft.

Wednesday Night

ESE wind 5 to 8 kt. Isolated showers. Seas around 2 ft.

Thursday

E wind 6 to 14 kt, with gusts as high as 20 kt. Scattered showers after noon. Seas 2 to 3 ft.

Thursday Night

ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Scattered showers. Seas around 3 ft.

Friday

E wind 6 to 14 kt. Scattered showers. Seas 2 to 3 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.