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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:E wind around 13 kt. Sunny. Seas around 2 ft.

      High: 83 °F

      E 13kt
      2ft

    • Tonight

      Tonight:E wind around 17 kt, with gusts as high as 23 kt. Isolated showers before midnight, then scattered showers after 3am.   Seas around 3 ft.

      Low: 81 °F

      E 17kt
      3ft

    • Thursday

      Thursday:E wind 14 to 16 kt, with gusts as high as 22 kt. Scattered showers, mainly between 9am and noon.   Seas around 3 ft.

      High: 83 °F

      E 16kt
      3ft

    • Thursday Night

      Thursday Night:E wind 16 to 18 kt, with gusts as high as 24 kt. Scattered showers before midnight.   Seas around 3 ft.

      Low: 81 °F

      E 18kt
      3ft

    • Friday

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

      High: 83 °F

      E 16kt
      3ft

    • Friday Night

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

      Low: 81 °F

      E 17kt
      3ft

    • Saturday

      Saturday:E wind around 16 kt, with gusts as high as 22 kt. Sunny. Seas around 3 ft.

      High: 83 °F

      E 16kt
      3ft

    • Saturday Night

      Saturday Night:E wind around 17 kt, with gusts as high as 23 kt. Partly cloudy. Seas around 3 ft.

      Low: 81 °F

      E 17kt
      3ft

    • Sunday

      Sunday:E wind around 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas around 3 ft.

      High: 83 °F

      E 16kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:57 am EDT Jul 15, 2026
Forecast Valid: 12pm EDT Jul 15, 2026-6pm EDT Jul 21, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
E wind around 13 kt. Sunny. Seas around 2 ft.
Tonight
E wind around 17 kt, with gusts as high as 23 kt. Isolated showers before midnight, then scattered showers after 3am. Seas around 3 ft.
Thursday
E wind 14 to 16 kt, with gusts as high as 22 kt. Scattered showers, mainly between 9am and noon. Seas around 3 ft.
Thursday Night
E wind 16 to 18 kt, with gusts as high as 24 kt. Scattered showers before midnight. Seas around 3 ft.
Friday
E wind 14 to 16 kt, with gusts as high as 22 kt. Isolated showers. Seas around 3 ft.
Friday Night
E wind around 17 kt, with gusts as high as 23 kt. Isolated showers. Seas around 3 ft.
Saturday
E wind around 16 kt, with gusts as high as 22 kt. Sunny. Seas around 3 ft.
Saturday Night
E wind around 17 kt, with gusts as high as 23 kt. Partly cloudy. Seas around 3 ft.
Sunday
E wind around 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas around 3 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: 3:57 am EDT Jul 15, 2026
Forecast Valid: 12pm EDT Jul 15, 2026-6pm EDT Jul 21, 2026
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