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4NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 4:47 pm EDT Apr 6, 2026
Forecast Valid: 5pm EDT Apr 6, 2026-6pm EDT Apr 13, 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Late Afternoon

ESE wind around 14 kt. Scattered showers. Seas around 5 ft.

Tonight

SE wind 7 to 9 kt. Scattered showers and thunderstorms. Seas 4 to 5 ft.

Tuesday

ESE wind 9 to 15 kt. Isolated showers, then showers likely and possibly a thunderstorm after noon. Seas around 5 ft.

Tuesday Night

ESE wind 6 to 10 kt. Scattered showers, mainly after midnight. Seas around 4 ft.

Wednesday

ESE wind 9 to 14 kt. Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Seas 3 to 4 ft.

Wednesday Night

ESE wind 7 to 9 kt. Scattered showers. Seas around 4 ft.

Thursday

E wind 9 to 15 kt. Scattered showers. Seas around 4 ft.

Thursday Night

ESE wind 7 to 10 kt. Scattered showers. Seas around 4 ft.

Friday

E wind 9 to 15 kt. Scattered showers. 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.