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4NM NE San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 9:17 pm EDT Sep 11, 2026
Forecast Valid: 3am EDT Sep 12, 2026-6pm EDT Sep 18, 2026

Saturday

ENE wind 10 to 13 kt. Isolated showers, mainly between noon and 3pm. Widespread haze. Seas 1 ft or less.

Saturday Night

E wind around 11 kt. Scattered showers, mainly between 9pm and 3am. Widespread haze before 9pm, then Widespread haze after 3am. Seas 1 ft or less.

Sunday

E wind 12 to 14 kt, with gusts as high as 20 kt. Scattered showers, mainly before 9am. Widespread haze between 9am and noon. Seas 1 ft or less.

Sunday Night

E wind 8 to 10 kt. Isolated showers. Seas 1 ft or less.

Monday

E wind 9 to 13 kt. Scattered showers, then showers likely and possibly a thunderstorm after noon. Seas 1 ft or less.

Monday Night

E wind 6 to 8 kt. Isolated showers. Seas 1 ft or less.

Tuesday

E wind 10 to 14 kt. Scattered showers after noon. Seas 1 ft or less.

Tuesday Night

E wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

Wednesday

E wind 7 to 14 kt, with gusts as high as 20 kt. Scattered showers. Seas 1 ft or less.

*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.