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4NM NE San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:11 pm EDT Sep 2, 2026
Forecast Valid: 12am EDT Sep 3, 2026-6pm EDT Sep 9, 2026

Overnight

ESE wind around 8 kt. Isolated showers. Seas 1 ft or less.

Thursday

E wind 7 to 13 kt. Scattered showers, mainly after 3pm. Seas 1 ft or less.

Thursday Night

ESE wind 6 to 8 kt. Isolated showers before midnight, then isolated showers after 3am. Seas 1 ft or less.

Friday

E wind 6 to 15 kt. Scattered showers, mainly after noon. Seas 1 ft or less.

Friday Night

E wind 6 to 8 kt. Scattered showers, mainly after midnight. Seas 1 ft or less.

Saturday

E wind 8 to 13 kt. Isolated showers, then scattered showers and thunderstorms after noon. Seas 1 ft or less.

Saturday Night

ESE wind 5 to 8 kt. Partly cloudy. Seas 1 ft or less.

Sunday

E wind 6 to 14 kt. Showers likely. Seas 1 ft or less.

Sunday Night

ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. 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.