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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon: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 16 to 18 kt, with gusts as high as 24 kt. Scattered showers, mainly between midnight and 3am.   Seas around 3 ft.

      Low: 81 °F

      E 18kt
      3ft

    • Juneteenth

      Juneteenth:E wind around 15 kt, with gusts as high as 21 kt. Scattered showers, mainly before noon.   Seas around 3 ft.

      High: 84 °F

      E 15kt
      3ft

    • Friday Night

      Friday Night:E wind around 16 kt, with gusts as high as 22 kt. Scattered showers, mainly after midnight.   Seas around 3 ft.

      Low: 81 °F

      E 16kt
      3ft

    • Saturday

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

      High: 84 °F

      E 16kt
      3ft

    • Saturday Night

      Saturday Night:E wind 16 to 18 kt, with gusts as high as 24 kt. Showers likely and possibly a thunderstorm after midnight.   Seas around 3 ft.

      Low: 81 °F

      E 18kt
      3ft

    • Sunday

      Sunday:E wind 15 to 18 kt, with gusts as high as 24 kt. Sunny. Seas around 3 ft.

      High: 84 °F

      E 18kt
      3ft

    • Sunday Night

      Sunday Night:E wind around 19 kt, with gusts as high as 26 kt. Partly cloudy. Seas around 3 ft.

      Low: 81 °F

      E 19kt
      3ft

    • Monday

      Monday:E wind 17 to 20 kt, with gusts as high as 27 kt. Scattered showers.   Seas around 3 ft.

      High: 84 °F

      E 20kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:28 pm EDT Jun 18, 2026
Forecast Valid: 2pm EDT Jun 18, 2026-6pm EDT Jun 24, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
E wind around 16 kt, with gusts as high as 22 kt. Isolated showers. Seas around 3 ft.
Tonight
E wind 16 to 18 kt, with gusts as high as 24 kt. Scattered showers, mainly between midnight and 3am. Seas around 3 ft.
Juneteenth
E wind around 15 kt, with gusts as high as 21 kt. Scattered showers, mainly before noon. Seas around 3 ft.
Friday Night
E wind around 16 kt, with gusts as high as 22 kt. Scattered showers, mainly after midnight. Seas around 3 ft.
Saturday
E wind around 16 kt, with gusts as high as 22 kt. Isolated showers before noon. Seas around 3 ft.
Saturday Night
E wind 16 to 18 kt, with gusts as high as 24 kt. Showers likely and possibly a thunderstorm after midnight. Seas around 3 ft.
Sunday
E wind 15 to 18 kt, with gusts as high as 24 kt. Sunny. Seas around 3 ft.
Sunday Night
E wind around 19 kt, with gusts as high as 26 kt. Partly cloudy. Seas around 3 ft.
Monday
E wind 17 to 20 kt, with gusts as high as 27 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: 18.48°N 64.4°W
Last Update: 2:28 pm EDT Jun 18, 2026
Forecast Valid: 2pm EDT Jun 18, 2026-6pm EDT Jun 24, 2026
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