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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:ESE wind 15 to 17 kt, with gusts as high as 23 kt. Isolated showers before 9am.   Seas around 3 ft.

      High: 84 °F

      ESE 17kt
      3ft

    • Tuesday Night

      Tuesday Night:E wind around 16 kt, with gusts as high as 22 kt. Scattered showers, mainly before 9pm.   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 9am.   Seas 3 to 4 ft.

      High: 84 °F

      E 19kt
      3-4ft

    • Wednesday Night

      Wednesday Night:E wind around 19 kt, with gusts as high as 26 kt. Clear. Seas around 4 ft.

      Low: 82 °F

      E 19kt
      4ft

    • Thursday

      Thursday:E wind 16 to 20 kt, with gusts as high as 27 kt. Sunny. Seas around 4 ft.

      High: 84 °F

      E 20kt
      4ft

    • Thursday Night

      Thursday Night:ENE wind around 18 kt, with gusts as high as 24 kt. Isolated showers after midnight.   Seas around 4 ft.

      Low: 82 °F

      ENE 18kt
      4ft

    • Friday

      Friday:E wind 16 to 18 kt, with gusts as high as 24 kt. Scattered showers before noon.   Seas 3 to 4 ft.

      High: 84 °F

      E 18kt
      3-4ft

    • Friday Night

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

      Low: 82 °F

      E 16kt
      3ft

    • Saturday

      Saturday:ESE wind around 16 kt. Mostly sunny. Seas around 3 ft.

      High: 84 °F

      ESE 16kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:19 am EDT Jul 28, 2026
Forecast Valid: 3am EDT Jul 28, 2026-6pm EDT Aug 3, 2026

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Detailed Forecast


Tuesday
ESE wind 15 to 17 kt, with gusts as high as 23 kt. Isolated showers before 9am. Seas around 3 ft.
Tuesday Night
E wind around 16 kt, with gusts as high as 22 kt. Scattered showers, mainly before 9pm. Seas 2 to 3 ft.
Wednesday
E wind around 19 kt, with gusts as high as 26 kt. Isolated showers before 9am. Seas 3 to 4 ft.
Wednesday Night
E wind around 19 kt, with gusts as high as 26 kt. Clear. Seas around 4 ft.
Thursday
E wind 16 to 20 kt, with gusts as high as 27 kt. Sunny. Seas around 4 ft.
Thursday Night
ENE wind around 18 kt, with gusts as high as 24 kt. Isolated showers after midnight. Seas around 4 ft.
Friday
E wind 16 to 18 kt, with gusts as high as 24 kt. Scattered showers before noon. Seas 3 to 4 ft.
Friday Night
E wind around 16 kt, with gusts as high as 22 kt. Scattered showers. Seas around 3 ft.
Saturday
ESE wind around 16 kt. Mostly sunny. Seas around 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: 2:19 am EDT Jul 28, 2026
Forecast Valid: 3am EDT Jul 28, 2026-6pm EDT Aug 3, 2026
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