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4NM NE San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:38 am EDT Apr 11, 2026
Forecast Valid: 7am EDT Apr 11, 2026-6pm EDT Apr 17, 2026

Today

E wind 5 to 14 kt. Scattered showers. Seas 1 ft or less.

Tonight

ESE wind around 8 kt. Isolated showers before 9pm, then scattered showers after midnight. Seas 1 ft or less.

Sunday

E wind 8 to 14 kt. Scattered showers, then showers likely and possibly a thunderstorm after 3pm. Seas 1 ft or less.

Sunday Night

E wind 7 to 9 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Monday

E wind 7 to 11 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Monday Night

ENE wind 9 to 14 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

Tuesday

E wind 14 to 19 kt, with gusts as high as 25 kt. Showers. Seas 1 ft or less.

Tuesday Night

ESE wind 10 to 12 kt. Showers. Seas 1 ft or less.

Wednesday

E wind 9 to 11 kt. Showers. Seas 1 ft or less.

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.