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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:E wind around 14 kt. Scattered showers before midnight, then scattered showers and thunderstorms between midnight and 3am, then showers likely and possibly a thunderstorm after 3am.   Seas around 3 ft.

      Low: 82 °F

      E 14kt
      3ft

    • Monday

      Monday:ESE wind around 12 kt. Showers likely and possibly a thunderstorm before 9am, then scattered showers and thunderstorms after 9am.   Seas around 2 ft.

      High: 84 °F

      ESE 12kt
      2ft

    • Monday Night

      Monday Night:E wind around 14 kt, with gusts as high as 20 kt. Scattered showers.   Seas around 2 ft.

      Low: 82 °F

      E 14kt
      2ft

    • Tuesday

      Tuesday:ESE wind 15 to 17 kt, with gusts as high as 23 kt. Scattered showers.   Seas around 3 ft.

      High: 84 °F

      ESE 17kt
      3ft

    • Tuesday Night

      Tuesday Night:E wind 14 to 16 kt, with gusts as high as 22 kt. Scattered showers, mainly before midnight.   Seas 2 to 3 ft.

      Low: 82 °F

      E 16kt
      2-3ft

    • Wednesday

      Wednesday:E wind around 19 kt, with gusts as high as 26 kt. Isolated showers before noon.   Seas 3 to 4 ft.

      High: 84 °F

      E 19kt
      3-4ft

    • Wednesday Night

      Wednesday Night:E wind around 18 kt, with gusts as high as 25 kt. Clear. Seas around 4 ft.

      Low: 82 °F

      E 18kt
      4ft

    • Thursday

      Thursday:E wind around 19 kt, with gusts as high as 26 kt. Sunny. Seas around 4 ft.

      High: 84 °F

      E 19kt
      4ft

    • Thursday Night

      Thursday Night:E wind 16 to 18 kt, with gusts as high as 24 kt. Partly cloudy. Seas around 4 ft.

      Low: 82 °F

      E 18kt
      4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:06 pm EDT Jul 26, 2026
Forecast Valid: 7pm EDT Jul 26, 2026-6pm EDT Aug 2, 2026

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Detailed Forecast


Tonight
E wind around 14 kt. Scattered showers before midnight, then scattered showers and thunderstorms between midnight and 3am, then showers likely and possibly a thunderstorm after 3am. Seas around 3 ft.
Monday
ESE wind around 12 kt. Showers likely and possibly a thunderstorm before 9am, then scattered showers and thunderstorms after 9am. Seas around 2 ft.
Monday Night
E wind around 14 kt, with gusts as high as 20 kt. Scattered showers. Seas around 2 ft.
Tuesday
ESE wind 15 to 17 kt, with gusts as high as 23 kt. Scattered showers. Seas around 3 ft.
Tuesday Night
E wind 14 to 16 kt, with gusts as high as 22 kt. Scattered showers, mainly before midnight. Seas 2 to 3 ft.
Wednesday
E wind around 19 kt, with gusts as high as 26 kt. Isolated showers before noon. Seas 3 to 4 ft.
Wednesday Night
E wind around 18 kt, with gusts as high as 25 kt. Clear. Seas around 4 ft.
Thursday
E wind around 19 kt, with gusts as high as 26 kt. Sunny. Seas around 4 ft.
Thursday Night
E wind 16 to 18 kt, with gusts as high as 24 kt. Partly cloudy. Seas around 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: 4:06 pm EDT Jul 26, 2026
Forecast Valid: 7pm EDT Jul 26, 2026-6pm EDT Aug 2, 2026
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