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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Sunday

      Sunday:E wind 16 to 18 kt, with gusts as high as 24 kt. Scattered showers, mainly after 3pm.   Seas around 3 ft.

      High: 82 °F

      E 18kt
      3ft

    • Sunday Night

      Sunday Night:E wind around 17 kt, with gusts as high as 23 kt. Scattered showers.   Seas around 3 ft.

      Low: 80 °F

      E 17kt
      3ft

    • Monday

      Monday:E wind 13 to 16 kt, with gusts as high as 22 kt. Scattered showers, mainly before 9am.   Seas around 3 ft.

      High: 82 °F

      E 16kt
      3ft

    • Monday Night

      Monday Night:E wind around 14 kt. Isolated showers.   Seas around 3 ft.

      Low: 80 °F

      E 14kt
      3ft

    • Tuesday

      Tuesday:E wind 7 to 10 kt. Isolated showers after noon.   Seas around 2 ft.

      High: 82 °F

      E 10kt
      2ft

    • Tuesday Night

      Tuesday Night:E wind around 8 kt. Clear. Seas around 2 ft.

      Low: 80 °F

      E 8kt
      2ft

    • Wednesday

      Wednesday:ENE wind 7 to 10 kt. Scattered showers before noon.   Seas around 2 ft.

      High: 82 °F

      ENE 10kt
      2ft

    • Wednesday Night

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

      Low: 80 °F

      E 11kt
      2ft

    • Thursday

      Thursday:E wind 9 to 12 kt. Scattered showers.   Seas 2 to 3 ft.

      High: 82 °F

      E 12kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:31 am EDT Apr 19, 2026
Forecast Valid: 2am EDT Apr 19, 2026-6pm EDT Apr 25, 2026

View Nearby Observations

Detailed Forecast


Sunday
E wind 16 to 18 kt, with gusts as high as 24 kt. Scattered showers, mainly after 3pm. Seas around 3 ft.
Sunday Night
E wind around 17 kt, with gusts as high as 23 kt. Scattered showers. Seas around 3 ft.
Monday
E wind 13 to 16 kt, with gusts as high as 22 kt. Scattered showers, mainly before 9am. Seas around 3 ft.
Monday Night
E wind around 14 kt. Isolated showers. Seas around 3 ft.
Tuesday
E wind 7 to 10 kt. Isolated showers after noon. Seas around 2 ft.
Tuesday Night
E wind around 8 kt. Clear. Seas around 2 ft.
Wednesday
ENE wind 7 to 10 kt. Scattered showers before noon. Seas around 2 ft.
Wednesday Night
E wind around 11 kt. Clear. Seas around 2 ft.
Thursday
E wind 9 to 12 kt. Scattered showers. Seas 2 to 3 ft.

Winds and seas higher in and near thunderstorms.

*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: 1:31 am EDT Apr 19, 2026
Forecast Valid: 2am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
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