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4NM NE San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:18 am EST Nov 15, 2026
Forecast Valid: 6am EST Nov 15, 2026-6pm EST Nov 21, 2026

Today

ESE wind 5 to 11 kt. Sunny. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. Isolated showers. Seas 1 ft or less.

Monday

E wind 5 to 12 kt. Scattered showers, mainly after 11am. Seas 1 ft or less.

Monday Night

E wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Isolated showers. Seas 1 ft or less.

Tuesday

E wind 8 to 12 kt. Scattered showers, mainly before 11am. Seas 1 ft or less.

Tuesday Night

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

Wednesday

E wind 9 to 12 kt. Scattered showers. Seas 1 ft or less.

Wednesday Night

ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Scattered showers. Seas 1 ft or less.

Thursday

ESE wind 6 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.