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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Monday

      Monday:E wind 7 to 9 kt. Scattered showers before 9am, then showers likely and possibly a thunderstorm between 9am and 3pm, then scattered showers after 3pm.   Seas around 3 ft.

      High: 85 °F

      E 9kt
      3ft

    • Monday Night

      Monday Night:ENE wind around 10 kt. Scattered showers.   Seas around 3 ft.

      Low: 77 °F

      ENE 10kt
      3ft

    • Tuesday

      Tuesday:E wind around 8 kt. Scattered showers.   Seas around 3 ft.

      High: 85 °F

      E 8kt
      3ft

    • Tuesday Night

      Tuesday Night:E wind 10 to 13 kt. Scattered showers.   Seas around 2 ft.

      Low: 77 °F

      E 13kt
      2ft

    • Wednesday

      Wednesday:E wind 13 to 15 kt. Scattered showers.   Seas around 3 ft.

      High: 85 °F

      E 15kt
      3ft

    • Wednesday Night

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

      Low: 77 °F

      E 16kt
      3ft

    • Thursday

      Thursday:E wind around 18 kt, with gusts as high as 24 kt. Mostly sunny. Seas 3 to 4 ft.

      High: 85 °F

      E 18kt
      3-4ft

    • Thursday Night

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

      Low: 77 °F

      E 18kt
      3-4ft

    • Friday

      Friday:E wind around 17 kt, with gusts as high as 24 kt. Mostly sunny. Seas 3 to 4 ft.

      High: 85 °F

      E 17kt
      3-4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:53 pm EDT Mar 22, 2026
Forecast Valid: 2am EDT Mar 23, 2026-6pm EDT Mar 29, 2026

View Nearby Observations

Detailed Forecast


Monday
E wind 7 to 9 kt. Scattered showers before 9am, then showers likely and possibly a thunderstorm between 9am and 3pm, then scattered showers after 3pm. Seas around 3 ft.
Monday Night
ENE wind around 10 kt. Scattered showers. Seas around 3 ft.
Tuesday
E wind around 8 kt. Scattered showers. Seas around 3 ft.
Tuesday Night
E wind 10 to 13 kt. Scattered showers. Seas around 2 ft.
Wednesday
E wind 13 to 15 kt. Scattered showers. Seas around 3 ft.
Wednesday Night
E wind around 16 kt, with gusts as high as 22 kt. Scattered showers. Seas around 3 ft.
Thursday
E wind around 18 kt, with gusts as high as 24 kt. Mostly sunny. Seas 3 to 4 ft.
Thursday Night
E wind around 18 kt, with gusts as high as 25 kt. Partly cloudy. Seas 3 to 4 ft.
Friday
E wind around 17 kt, with gusts as high as 24 kt. Mostly sunny. 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: 4:53 pm EDT Mar 22, 2026
Forecast Valid: 2am EDT Mar 23, 2026-6pm EDT Mar 29, 2026
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