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San Juan, PR Local Forecast Office

4NM NE San Juan PR

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:E wind around 10 kt. Scattered showers, mainly after 3am.   Seas 1 ft or less.

      Low: 82 °F

      E 10kt
      < 1ft

    • Tuesday

      Tuesday:E wind 9 to 15 kt. Scattered showers, with thunderstorms also possible after noon.   Seas 1 ft or less.

      High: 90 °F

      E 15kt
      < 1ft

    • Tuesday Night

      Tuesday Night:E wind around 9 kt. Scattered showers, mainly before 9pm.  Widespread haze between 9pm and 3am.  Seas 1 ft or less.

      Low: 82 °F

      E 9kt
      < 1ft

    • Wednesday

      Wednesday:ENE wind 8 to 14 kt. Sunny. Seas 1 ft or less.

      High: 90 °F

      ENE 14kt
      < 1ft

    • Wednesday Night

      Wednesday Night:E wind 9 to 11 kt. Isolated showers.   Seas 1 ft or less.

      Low: 82 °F

      E 11kt
      < 1ft

    • Thursday

      Thursday:ENE wind 10 to 14 kt, with gusts as high as 20 kt. Scattered showers.   Seas 1 ft or less.

      High: 89 °F

      ENE 14kt
      < 1ft

    • Thursday Night

      Thursday Night:E wind around 10 kt. Partly cloudy. Seas 1 ft or less.

      Low: 81 °F

      E 10kt
      < 1ft

    • Friday

      Friday:E wind 9 to 14 kt. Scattered showers.   Seas 1 ft or less.

      High: 89 °F

      E 14kt
      < 1ft

    • Friday Night

      Friday Night:E wind around 10 kt. Scattered showers.   Seas 1 ft or less.

      Low: 82 °F

      E 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:07 pm EDT Aug 24, 2026
Forecast Valid: 11pm EDT Aug 24, 2026-6pm EDT Aug 31, 2026

View Nearby Observations

Detailed Forecast


Overnight
E wind around 10 kt. Scattered showers, mainly after 3am. Seas 1 ft or less.
Tuesday
E wind 9 to 15 kt. Scattered showers, with thunderstorms also possible after noon. Seas 1 ft or less.
Tuesday Night
E wind around 9 kt. Scattered showers, mainly before 9pm. Widespread haze between 9pm and 3am. Seas 1 ft or less.
Wednesday
ENE wind 8 to 14 kt. Sunny. Seas 1 ft or less.
Wednesday Night
E wind 9 to 11 kt. Isolated showers. Seas 1 ft or less.
Thursday
ENE wind 10 to 14 kt, with gusts as high as 20 kt. Scattered showers. Seas 1 ft or less.
Thursday Night
E wind around 10 kt. Partly cloudy. Seas 1 ft or less.
Friday
E wind 9 to 14 kt. Scattered showers. Seas 1 ft or less.
Friday Night
E wind around 10 kt. Scattered showers. Seas 1 ft or less.

*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 18.45°N 65.99°W
Last Update: 6:07 pm EDT Aug 24, 2026
Forecast Valid: 11pm EDT Aug 24, 2026-6pm EDT Aug 31, 2026
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