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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Wednesday

      Wednesday:E wind 7 to 16 kt, with gusts as high as 22 kt. Scattered showers after noon.   Seas around 3 ft.

      High: 84 °F

      E 16kt
      3ft

    • Wednesday Night

      Wednesday Night:E wind around 10 kt. Scattered showers, mainly before 9pm.   Seas around 3 ft.

      Low: 82 °F

      E 10kt
      3ft

    • Thursday

      Thursday:E wind 11 to 18 kt, with gusts as high as 24 kt. Isolated showers after 9am.   Seas 3 to 4 ft.

      High: 84 °F

      E 18kt
      3-4ft

    • Thursday Night

      Thursday Night:E wind around 12 kt. Isolated showers.   Seas around 4 ft.

      Low: 82 °F

      E 12kt
      4ft

    • Friday

      Friday:E wind 14 to 18 kt, with gusts as high as 25 kt. Isolated showers before noon.   Seas around 5 ft.

      High: 84 °F

      E 18kt
      5ft

    • Friday Night

      Friday Night:E wind around 13 kt. Isolated showers.   Seas around 4 ft.

      Low: 82 °F

      E 13kt
      4ft

    • Saturday

      Saturday:ENE wind 13 to 16 kt, with gusts as high as 22 kt. Scattered showers after noon.   Seas around 5 ft.

      High: 84 °F

      ENE 16kt
      5ft

    • Saturday Night

      Saturday Night:ENE wind 13 to 15 kt, with gusts as high as 21 kt. Clear. Seas around 5 ft.

      Low: 82 °F

      ENE 15kt
      5ft

    • Sunday

      Sunday:ENE wind 15 to 18 kt, with gusts as high as 24 kt. Showers likely.   Seas around 5 ft.

      High: 84 °F

      ENE 18kt
      5ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:33 pm EDT Aug 11, 2026
Forecast Valid: 1am EDT Aug 12, 2026-6pm EDT Aug 18, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Wednesday
E wind 7 to 16 kt, with gusts as high as 22 kt. Scattered showers after noon. Seas around 3 ft.
Wednesday Night
E wind around 10 kt. Scattered showers, mainly before 9pm. Seas around 3 ft.
Thursday
E wind 11 to 18 kt, with gusts as high as 24 kt. Isolated showers after 9am. Seas 3 to 4 ft.
Thursday Night
E wind around 12 kt. Isolated showers. Seas around 4 ft.
Friday
E wind 14 to 18 kt, with gusts as high as 25 kt. Isolated showers before noon. Seas around 5 ft.
Friday Night
E wind around 13 kt. Isolated showers. Seas around 4 ft.
Saturday
ENE wind 13 to 16 kt, with gusts as high as 22 kt. Scattered showers after noon. Seas around 5 ft.
Saturday Night
ENE wind 13 to 15 kt, with gusts as high as 21 kt. Clear. Seas around 5 ft.
Sunday
ENE wind 15 to 18 kt, with gusts as high as 24 kt. Showers likely. Seas around 5 ft.

*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 66.1°W
Last Update: 9:33 pm EDT Aug 11, 2026
Forecast Valid: 1am EDT Aug 12, 2026-6pm EDT Aug 18, 2026
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