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4NM NE San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 9:08 am EST Nov 17, 2025
Forecast Valid: 2pm EST Nov 17, 2025-6pm EST Nov 23, 2025

This Afternoon

E wind around 9 kt. Isolated showers. Seas 1 ft or less.

Tonight

E wind around 7 kt. Scattered showers, mainly after 8pm. Seas 1 ft or less.

Tuesday

E wind 8 to 12 kt. Scattered showers, mainly after 2pm. Seas 1 ft or less.

Tuesday Night

E wind 8 to 10 kt. Scattered showers and thunderstorms. Seas 1 ft or less.

Wednesday

E wind 10 to 12 kt. Scattered showers. Seas 1 ft or less.

Wednesday Night

ENE wind 6 to 9 kt. Scattered showers. Seas 1 ft or less.

Thursday

NE wind 7 to 10 kt. Scattered showers. Seas 1 ft or less.

Thursday Night

ENE wind around 8 kt. Scattered showers. Seas 1 ft or less.

Friday

NE wind around 9 kt. Mostly sunny. Seas 1 ft or less.

*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.