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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Wednesday

      Wednesday:ENE wind 8 to 12 kt. Showers likely, mainly before 3pm.   Seas around 8 ft.

      High: 80 °F

      ENE 12kt
      8ft

    • Wednesday Night

      Wednesday Night:E wind 7 to 9 kt. Showers likely, mainly between 9pm and 3am.   Seas around 8 ft.

      Low: 76 °F

      E 9kt
      8ft

    • Thursday

      Thursday:ENE wind 10 to 12 kt. Showers likely, mainly after noon.   Seas 7 to 8 ft.

      High: 81 °F

      ENE 12kt
      7-8ft

    • Thursday Night

      Thursday Night:ENE wind around 11 kt. Showers likely.   Seas 6 to 7 ft.

      Low: 79 °F

      ENE 11kt
      6-7ft

    • Friday

      Friday:ENE wind 11 to 13 kt. Showers likely, mainly before noon.   Seas around 6 ft.

      High: 81 °F

      ENE 13kt
      6ft

    • Friday Night

      Friday Night:ESE wind around 10 kt. Showers likely.   Seas around 6 ft.

      Low: 79 °F

      ESE 10kt
      6ft

    • Saturday

      Saturday:E wind 10 to 14 kt. Scattered showers.   Seas around 6 ft.

      High: 81 °F

      E 14kt
      6ft

    • Saturday Night

      Saturday Night:E wind 8 to 10 kt. Scattered showers.   Seas around 6 ft.

      Low: 79 °F

      E 10kt
      6ft

    • Sunday

      Sunday:E wind 9 to 14 kt, with gusts as high as 20 kt. Showers likely.   Seas around 6 ft.

      High: 81 °F

      E 14kt
      6ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:01 am EDT Apr 1, 2026
Forecast Valid: 4am EDT Apr 1, 2026-6pm EDT Apr 7, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT...

Wednesday
ENE wind 8 to 12 kt. Showers likely, mainly before 3pm. Seas around 8 ft.
Wednesday Night
E wind 7 to 9 kt. Showers likely, mainly between 9pm and 3am. Seas around 8 ft.
Thursday
ENE wind 10 to 12 kt. Showers likely, mainly after noon. Seas 7 to 8 ft.
Thursday Night
ENE wind around 11 kt. Showers likely. Seas 6 to 7 ft.
Friday
ENE wind 11 to 13 kt. Showers likely, mainly before noon. Seas around 6 ft.
Friday Night
ESE wind around 10 kt. Showers likely. Seas around 6 ft.
Saturday
E wind 10 to 14 kt. Scattered showers. Seas around 6 ft.
Saturday Night
E wind 8 to 10 kt. Scattered showers. Seas around 6 ft.
Sunday
E wind 9 to 14 kt, with gusts as high as 20 kt. Showers likely. Seas around 6 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: 3:01 am EDT Apr 1, 2026
Forecast Valid: 4am EDT Apr 1, 2026-6pm EDT Apr 7, 2026
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