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3NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 9:13 pm EDT Oct 17, 2026
Forecast Valid: 1am EDT Oct 18, 2026-6pm EDT Oct 24, 2026

Sunday

Variable winds less than 5 kt becoming E 6 to 11 kt in the morning. Scattered showers, with thunderstorms also possible after 3pm. Seas around 3 ft.

Sunday Night

ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Scattered showers, mainly between 9pm and midnight. Seas 2 to 3 ft.

Monday

Variable winds less than 5 kt becoming ENE 8 to 13 kt in the morning. Scattered showers. Seas 2 to 3 ft.

Monday Night

ESE wind around 6 kt becoming variable and less than 5 kt after midnight. Scattered showers. Seas around 3 ft.

Tuesday

Variable winds less than 5 kt becoming E 7 to 12 kt in the morning. Scattered showers. Seas 4 to 5 ft.

Tuesday Night

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

Wednesday

Variable winds less than 5 kt becoming E 6 to 11 kt in the morning. Scattered showers after noon. Seas around 4 ft.

Wednesday Night

SE wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas around 4 ft.

Thursday

Variable winds less than 5 kt becoming ESE 5 to 10 kt in the morning. Showers likely. Seas around 4 ft.

*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.