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3NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 8:00 pm EDT Oct 23, 2026
Forecast Valid: 8pm EDT Oct 23, 2026-6pm EDT Oct 30, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

Tonight

ESE wind 6 to 8 kt. Scattered showers, mainly after midnight. Seas around 5 ft.

Saturday

SE wind 6 to 14 kt. Scattered showers, mainly after 9am. Seas around 5 ft.

Saturday Night

ESE wind 5 to 7 kt. Scattered showers, mainly between midnight and 3am. Seas around 4 ft.

Sunday

SE wind 7 to 14 kt. Showers likely and possibly a thunderstorm, mainly after noon. Seas around 4 ft.

Sunday Night

SE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Isolated showers. Seas around 4 ft.

Monday

SE wind 9 to 13 kt. Scattered showers, mainly after noon. Seas 4 to 5 ft.

Monday Night

SE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 4 to 5 ft.

Tuesday

ESE wind 5 to 10 kt. Mostly sunny. Seas around 5 ft.

Tuesday Night

ESE wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas around 4 ft.

Winds and seas higher in and near thunderstorms.

*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.