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4NM NE San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 10:19 am EST Dec 30, 2025
Forecast Valid: 1pm EST Dec 30, 2025-6pm EST Jan 5, 2026

This Afternoon

ESE wind around 10 kt. Sunny. Seas 1 ft or less.

Tonight

SSE wind around 6 kt. Mostly clear. Seas 1 ft or less.

Wednesday

SSE wind 5 to 9 kt becoming E in the afternoon. Isolated showers. Seas 1 ft or less.

Wednesday Night

SE wind 5 to 7 kt. Isolated showers. Seas 1 ft or less.

New Year's Day

E wind 6 to 10 kt. Scattered showers and thunderstorms after 11am. Seas 1 ft or less.

Thursday Night

E wind 5 to 9 kt. Isolated showers. Seas 1 ft or less.

Friday

E wind 6 to 10 kt. Showers likely, mainly after 11am. Seas 1 ft or less.

Friday Night

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

Saturday

E wind 8 to 11 kt. Scattered showers. 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.