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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Juneteenth

      Juneteenth:E wind around 16 kt, with gusts as high as 22 kt. Isolated showers.   Seas around 3 ft.

      High: 84 °F

      E 16kt
      3ft

    • Tonight

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

      Low: 81 °F

      E 9kt
      3ft

    • Saturday

      Saturday:E wind 9 to 17 kt, with gusts as high as 23 kt. Scattered showers, mainly before noon.   Seas around 3 ft.

      High: 84 °F

      E 17kt
      3ft

    • Saturday Night

      Saturday Night:E wind 9 to 11 kt. Showers likely and possibly a thunderstorm after midnight.   Seas around 3 ft.

      Low: 81 °F

      E 11kt
      3ft

    • Sunday

      Sunday:E wind 10 to 15 kt. Isolated showers.   Seas around 3 ft.

      High: 84 °F

      E 15kt
      3ft

    • Sunday Night

      Sunday Night:E wind 9 to 11 kt. Isolated showers.   Seas around 3 ft.

      Low: 81 °F

      E 11kt
      3ft

    • Monday

      Monday:E wind 11 to 18 kt, with gusts as high as 24 kt. Scattered showers after noon.   Seas 3 to 4 ft.

      High: 84 °F

      E 18kt
      3-4ft

    • Monday Night

      Monday Night:E wind 11 to 13 kt. Partly cloudy. Seas 3 to 4 ft.

      Low: 81 °F

      E 13kt
      3-4ft

    • Tuesday

      Tuesday:ENE wind around 15 kt, with gusts as high as 21 kt. Scattered showers.   Seas around 4 ft.

      High: 84 °F

      ENE 15kt
      4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:57 am EDT Jun 19, 2026
Forecast Valid: 1pm EDT Jun 19, 2026-6pm EDT Jun 25, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Juneteenth
E wind around 16 kt, with gusts as high as 22 kt. Isolated showers. Seas around 3 ft.
Tonight
E wind around 9 kt. Scattered showers, mainly after 3am. Seas around 3 ft.
Saturday
E wind 9 to 17 kt, with gusts as high as 23 kt. Scattered showers, mainly before noon. Seas around 3 ft.
Saturday Night
E wind 9 to 11 kt. Showers likely and possibly a thunderstorm after midnight. Seas around 3 ft.
Sunday
E wind 10 to 15 kt. Isolated showers. Seas around 3 ft.
Sunday Night
E wind 9 to 11 kt. Isolated showers. Seas around 3 ft.
Monday
E wind 11 to 18 kt, with gusts as high as 24 kt. Scattered showers after noon. Seas 3 to 4 ft.
Monday Night
E wind 11 to 13 kt. Partly cloudy. Seas 3 to 4 ft.
Tuesday
ENE wind around 15 kt, with gusts as high as 21 kt. Scattered showers. Seas around 4 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: 11:57 am EDT Jun 19, 2026
Forecast Valid: 1pm EDT Jun 19, 2026-6pm EDT Jun 25, 2026
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