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San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:ENE wind around 9 kt. Scattered showers, mainly after 3am.   Seas around 4 ft.

      Low: 77 °F

      ENE 9kt
      4ft

    • Sunday

      Sunday:E wind 12 to 15 kt, with gusts as high as 22 kt. Showers likely, mainly before 9am.   Seas around 4 ft.

      High: 83 °F

      E 15kt
      4ft

    • Sunday Night

      Sunday Night:ENE wind around 11 kt. Scattered showers, mainly before 9pm.   Seas around 4 ft.

      Low: 77 °F

      ENE 11kt
      4ft

    • Memorial Day

      Memorial Day:E wind 12 to 14 kt, with gusts as high as 21 kt. Scattered showers.   Seas around 4 ft.

      High: 84 °F

      E 14kt
      4ft

    • Monday Night

      Monday Night:ENE wind around 12 kt. Showers likely.   Seas around 4 ft.

      Low: 77 °F

      ENE 12kt
      4ft

    • Tuesday

      Tuesday:E wind 11 to 13 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers.   Seas around 4 ft.

      High: 83 °F

      E 13kt
      4ft

    • Tuesday Night

      Tuesday Night:E wind 7 to 10 kt. Scattered showers.   Seas 3 to 4 ft.

      Low: 78 °F

      E 10kt
      3-4ft

    • Wednesday

      Wednesday:E wind 7 to 10 kt. Showers likely.   Seas around 3 ft.

      High: 83 °F

      E 10kt
      3ft

    • Wednesday Night

      Wednesday Night:E wind around 9 kt. Scattered showers.   Seas around 3 ft.

      Low: 78 °F

      E 9kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:22 pm EDT May 23, 2026
Forecast Valid: 10pm EDT May 23, 2026-6pm EDT May 30, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Tonight
ENE wind around 9 kt. Scattered showers, mainly after 3am. Seas around 4 ft.
Sunday
E wind 12 to 15 kt, with gusts as high as 22 kt. Showers likely, mainly before 9am. Seas around 4 ft.
Sunday Night
ENE wind around 11 kt. Scattered showers, mainly before 9pm. Seas around 4 ft.
Memorial Day
E wind 12 to 14 kt, with gusts as high as 21 kt. Scattered showers. Seas around 4 ft.
Monday Night
ENE wind around 12 kt. Showers likely. Seas around 4 ft.
Tuesday
E wind 11 to 13 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers. Seas around 4 ft.
Tuesday Night
E wind 7 to 10 kt. Scattered showers. Seas 3 to 4 ft.
Wednesday
E wind 7 to 10 kt. Showers likely. Seas around 3 ft.
Wednesday Night
E wind around 9 kt. Scattered showers. Seas around 3 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: 17.97°N 65.99°W
Last Update: 7:22 pm EDT May 23, 2026
Forecast Valid: 10pm EDT May 23, 2026-6pm EDT May 30, 2026
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