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San Juan, PR Local Forecast Office

8NM E Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Today

      Today:E wind around 18 kt, with gusts as high as 25 kt. Isolated showers before noon, then isolated showers after 3pm.   Seas around 3 ft.

      High: 83 °F

      E 18kt
      3ft

    • Tonight

      Tonight:E wind 17 to 20 kt, with gusts as high as 26 kt. Isolated showers before midnight, then showers likely after 3am.   Seas around 3 ft.

      Low: 81 °F

      E 20kt
      3ft

    • Monday

      Monday:E wind 15 to 19 kt, with gusts as high as 26 kt. Scattered showers, mainly before 9am.   Seas around 3 ft.

      High: 83 °F

      E 19kt
      3ft

    • Monday Night

      Monday Night:E wind around 18 kt, with gusts as high as 25 kt. Isolated showers after midnight.   Seas 2 to 3 ft.

      Low: 81 °F

      E 18kt
      2-3ft

    • Tuesday

      Tuesday:E wind around 18 kt, with gusts as high as 24 kt. Scattered showers, mainly before noon.   Seas around 3 ft.

      High: 83 °F

      E 18kt
      3ft

    • Tuesday Night

      Tuesday Night:E wind around 17 kt, with gusts as high as 24 kt. Isolated showers before midnight.   Seas 2 to 3 ft.

      Low: 81 °F

      E 17kt
      2-3ft

    • Wednesday

      Wednesday:E wind 15 to 18 kt, with gusts as high as 24 kt. Scattered showers.   Seas 2 to 3 ft.

      High: 83 °F

      E 18kt
      2-3ft

    • Wednesday Night

      Wednesday Night:E wind around 16 kt, with gusts as high as 22 kt. Scattered showers.   Seas around 2 ft.

      Low: 81 °F

      E 16kt
      2ft

    • Thursday

      Thursday:E wind 15 to 17 kt, with gusts as high as 23 kt. Scattered showers.   Seas around 2 ft.

      High: 83 °F

      E 17kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:30 am EDT May 17, 2026
Forecast Valid: 5am EDT May 17, 2026-6pm EDT May 23, 2026

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Detailed Forecast


Today
E wind around 18 kt, with gusts as high as 25 kt. Isolated showers before noon, then isolated showers after 3pm. Seas around 3 ft.
Tonight
E wind 17 to 20 kt, with gusts as high as 26 kt. Isolated showers before midnight, then showers likely after 3am. Seas around 3 ft.
Monday
E wind 15 to 19 kt, with gusts as high as 26 kt. Scattered showers, mainly before 9am. Seas around 3 ft.
Monday Night
E wind around 18 kt, with gusts as high as 25 kt. Isolated showers after midnight. Seas 2 to 3 ft.
Tuesday
E wind around 18 kt, with gusts as high as 24 kt. Scattered showers, mainly before noon. Seas around 3 ft.
Tuesday Night
E wind around 17 kt, with gusts as high as 24 kt. Isolated showers before midnight. Seas 2 to 3 ft.
Wednesday
E wind 15 to 18 kt, with gusts as high as 24 kt. Scattered showers. Seas 2 to 3 ft.
Wednesday Night
E wind around 16 kt, with gusts as high as 22 kt. Scattered showers. Seas around 2 ft.
Thursday
E wind 15 to 17 kt, with gusts as high as 23 kt. Scattered showers. 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: 3:30 am EDT May 17, 2026
Forecast Valid: 5am EDT May 17, 2026-6pm EDT May 23, 2026
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