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4NM NE San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 9:24 pm EDT Oct 15, 2026
Forecast Valid: 11pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026

Overnight

E wind 6 to 8 kt. Showers likely, mainly after 3am. Seas 1 ft or less.

Friday

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

Friday Night

ESE wind 8 to 10 kt. Showers likely, mainly between midnight and 3am. Seas 1 ft or less.

Saturday

E wind 6 to 12 kt. Scattered showers, mainly after noon. Seas 1 ft or less.

Saturday Night

SE wind 5 to 8 kt. Showers likely, mainly after midnight. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming E 5 to 10 kt in the morning. Scattered showers. Seas 1 ft or less.

Sunday Night

ESE wind around 6 kt becoming variable and less than 5 kt in the evening. Scattered showers. Seas 1 ft or less.

Monday

E wind 5 to 12 kt. Scattered showers. Seas 1 ft or less.

Monday Night

E 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.