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San Juan, PR Local Forecast Office

8NM E Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:E wind 16 to 18 kt, with gusts as high as 25 kt. Isolated showers before 9pm, then isolated showers after midnight.   Seas 2 to 3 ft.

      Low: 79 °F

      E 18kt
      2-3ft

    • Sunday

      Sunday:E wind 15 to 18 kt, with gusts as high as 25 kt. Isolated showers before 3pm.   Seas around 3 ft.

      High: 85 °F

      E 18kt
      3ft

    • Sunday Night

      Sunday Night:E wind 17 to 19 kt, with gusts as high as 26 kt. Isolated showers.   Seas around 3 ft.

      Low: 79 °F

      E 19kt
      3ft

    • Monday

      Monday:E wind 14 to 19 kt, with gusts as high as 26 kt. Isolated showers before noon.   Seas around 2 ft.

      High: 84 °F

      E 19kt
      2ft

    • Monday Night

      Monday Night:ENE wind 12 to 17 kt. Isolated showers.   Seas around 2 ft.

      Low: 79 °F

      ENE 17kt
      2ft

    • Tuesday

      Tuesday:ENE wind around 9 kt. Isolated showers.   Seas around 1 ft.

      High: 85 °F

      ENE 9kt
      1ft

    • Tuesday Night

      Tuesday Night:E wind 9 to 11 kt. Partly cloudy. Seas around 1 ft.

      Low: 78 °F

      E 11kt
      1ft

    • Wednesday

      Wednesday:ESE wind 12 to 14 kt. Scattered showers.   Seas 1 to 2 ft.

      High: 85 °F

      ESE 14kt
      1-2ft

    • Wednesday Night

      Wednesday Night:ESE wind 14 to 16 kt, with gusts as high as 22 kt. Partly cloudy. Seas around 2 ft.

      Low: 78 °F

      ESE 16kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:25 pm EDT Jul 18, 2026
Forecast Valid: 6pm EDT Jul 18, 2026-6pm EDT Jul 25, 2026

View Nearby Observations

Detailed Forecast


Tonight
E wind 16 to 18 kt, with gusts as high as 25 kt. Isolated showers before 9pm, then isolated showers after midnight. Seas 2 to 3 ft.
Sunday
E wind 15 to 18 kt, with gusts as high as 25 kt. Isolated showers before 3pm. Seas around 3 ft.
Sunday Night
E wind 17 to 19 kt, with gusts as high as 26 kt. Isolated showers. Seas around 3 ft.
Monday
E wind 14 to 19 kt, with gusts as high as 26 kt. Isolated showers before noon. Seas around 2 ft.
Monday Night
ENE wind 12 to 17 kt. Isolated showers. Seas around 2 ft.
Tuesday
ENE wind around 9 kt. Isolated showers. Seas around 1 ft.
Tuesday Night
E wind 9 to 11 kt. Partly cloudy. Seas around 1 ft.
Wednesday
ESE wind 12 to 14 kt. Scattered showers. Seas 1 to 2 ft.
Wednesday Night
ESE wind 14 to 16 kt, with gusts as high as 22 kt. Partly cloudy. Seas around 2 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: 18.33°N 64.8°W
Last Update: 4:25 pm EDT Jul 18, 2026
Forecast Valid: 6pm EDT Jul 18, 2026-6pm EDT Jul 25, 2026
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