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4NM NE San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:22 am EST Nov 3, 2026
Forecast Valid: 6am EST Nov 3, 2026-6pm EST Nov 9, 2026

Today

E wind 5 to 13 kt. Isolated showers, then scattered showers and thunderstorms after 2pm. Seas 1 ft or less.

Tonight

SE wind around 6 kt becoming variable and less than 5 kt after midnight. Scattered showers, mainly after 11pm. Seas 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming E 5 to 9 kt. Scattered showers. Seas 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Scattered showers before 8pm, then scattered showers after 11pm. Seas 1 ft or less.

Thursday

Variable winds 5 kt or less. Isolated showers, then showers likely and possibly a thunderstorm after 11am. Seas 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Isolated showers. Seas 1 ft or less.

Friday

SW wind 5 to 7 kt becoming W in the afternoon. Showers likely after 11am. Seas 1 ft or less.

Friday Night

SW wind around 8 kt. Partly cloudy. Seas 1 ft or less.

Saturday

SW wind 7 to 14 kt becoming WNW in the afternoon. Showers likely. 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.