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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:E wind 14 to 16 kt, with gusts as high as 22 kt. Isolated showers.   Seas around 3 ft.

      Low: 80 °F

      E 16kt
      3ft

    • Tuesday

      Tuesday:E wind 7 to 12 kt. Isolated showers.   Seas 2 to 3 ft.

      High: 82 °F

      E 12kt
      2-3ft

    • Tuesday Night

      Tuesday Night:ENE wind around 11 kt. Isolated showers.   Seas around 2 ft.

      Low: 80 °F

      ENE 11kt
      2ft

    • Wednesday

      Wednesday:ENE wind around 8 kt. Scattered showers, mainly before noon.   Seas around 2 ft.

      High: 82 °F

      ENE 8kt
      2ft

    • Wednesday Night

      Wednesday Night:ENE wind around 11 kt. Clear. Seas around 2 ft.

      Low: 80 °F

      ENE 11kt
      2ft

    • Thursday

      Thursday:ENE wind around 8 kt. Scattered showers, mainly before noon.   Seas 2 to 3 ft.

      High: 82 °F

      ENE 8kt
      2-3ft

    • Thursday Night

      Thursday Night:E wind 8 to 10 kt. Partly cloudy. Seas around 3 ft.

      Low: 80 °F

      E 10kt
      3ft

    • Friday

      Friday:E wind around 7 kt. Sunny. Seas 2 to 3 ft.

      High: 82 °F

      E 7kt
      2-3ft

    • Friday Night

      Friday Night:E wind around 9 kt. Partly cloudy. Seas around 2 ft.

      Low: 80 °F

      E 9kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:53 pm EDT Apr 20, 2026
Forecast Valid: 8pm EDT Apr 20, 2026-6pm EDT Apr 27, 2026

View Nearby Observations

Detailed Forecast


Tonight
E wind 14 to 16 kt, with gusts as high as 22 kt. Isolated showers. Seas around 3 ft.
Tuesday
E wind 7 to 12 kt. Isolated showers. Seas 2 to 3 ft.
Tuesday Night
ENE wind around 11 kt. Isolated showers. Seas around 2 ft.
Wednesday
ENE wind around 8 kt. Scattered showers, mainly before noon. Seas around 2 ft.
Wednesday Night
ENE wind around 11 kt. Clear. Seas around 2 ft.
Thursday
ENE wind around 8 kt. Scattered showers, mainly before noon. Seas 2 to 3 ft.
Thursday Night
E wind 8 to 10 kt. Partly cloudy. Seas around 3 ft.
Friday
E wind around 7 kt. Sunny. Seas 2 to 3 ft.
Friday Night
E wind around 9 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: 18.48°N 64.4°W
Last Update: 3:53 pm EDT Apr 20, 2026
Forecast Valid: 8pm EDT Apr 20, 2026-6pm EDT Apr 27, 2026
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