Hazardous Weather Conditions

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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:NE wind 7 to 13 kt. Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am.   Seas around 3 ft.

      Low: 81 °F

      NE 13kt
      3ft

    • Tuesday

      Tuesday:ESE wind 8 to 12 kt. Scattered showers and thunderstorms.   Seas 2 to 3 ft.

      High: 84 °F

      ESE 12kt
      2-3ft

    • Tuesday Night

      Tuesday Night:ESE wind 9 to 12 kt. Scattered showers, with thunderstorms also possible after 11pm.   Seas around 3 ft.

      Low: 81 °F

      ESE 12kt
      3ft

    • Wednesday

      Wednesday:E wind around 12 kt. Scattered showers.   Seas around 3 ft.

      High: 84 °F

      E 12kt
      3ft

    • Wednesday Night

      Wednesday Night:E wind 12 to 15 kt. Scattered showers, mainly before 11pm.   Seas around 3 ft.

      Low: 81 °F

      E 15kt
      3ft

    • Thursday

      Thursday:E wind 12 to 14 kt. Scattered showers, with thunderstorms also possible after 11am.   Seas around 3 ft.

      High: 84 °F

      E 14kt
      3ft

    • Thursday Night

      Thursday Night:E wind around 16 kt, with gusts as high as 22 kt. Scattered showers.   Seas around 3 ft.

      Low: 81 °F

      E 16kt
      3ft

    • Friday

      Friday:E wind around 15 kt, with gusts as high as 21 kt. Scattered showers.   Seas around 3 ft.

      High: 84 °F

      E 15kt
      3ft

    • Friday Night

      Friday Night:E wind around 18 kt, with gusts as high as 25 kt. Partly cloudy. Seas 3 to 4 ft.

      Low: 81 °F

      E 18kt
      3-4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:09 pm EST Dec 1, 2025
Forecast Valid: 8pm EST Dec 1, 2025-6pm EST Dec 8, 2025

View Nearby Observations

Detailed Forecast


Tonight
NE wind 7 to 13 kt. Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Seas around 3 ft.
Tuesday
ESE wind 8 to 12 kt. Scattered showers and thunderstorms. Seas 2 to 3 ft.
Tuesday Night
ESE wind 9 to 12 kt. Scattered showers, with thunderstorms also possible after 11pm. Seas around 3 ft.
Wednesday
E wind around 12 kt. Scattered showers. Seas around 3 ft.
Wednesday Night
E wind 12 to 15 kt. Scattered showers, mainly before 11pm. Seas around 3 ft.
Thursday
E wind 12 to 14 kt. Scattered showers, with thunderstorms also possible after 11am. Seas around 3 ft.
Thursday Night
E wind around 16 kt, with gusts as high as 22 kt. Scattered showers. Seas around 3 ft.
Friday
E wind around 15 kt, with gusts as high as 21 kt. Scattered showers. Seas around 3 ft.
Friday Night
E wind around 18 kt, with gusts as high as 25 kt. Partly cloudy. Seas 3 to 4 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: 5:09 pm EST Dec 1, 2025
Forecast Valid: 8pm EST Dec 1, 2025-6pm EST Dec 8, 2025
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