For More Weather Information:

San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Labor Day

      Labor Day:ESE wind 13 to 15 kt, with gusts as high as 21 kt. Scattered showers, mainly between noon and 3pm.   Seas 2 to 3 ft.

      High: 85 °F

      ESE 15kt
      2-3ft

    • Monday Night

      Monday Night:E wind around 17 kt, with gusts as high as 23 kt. Scattered showers, mainly after midnight.   Seas around 3 ft.

      Low: 82 °F

      E 17kt
      3ft

    • Tuesday

      Tuesday:E wind 16 to 18 kt, with gusts as high as 24 kt. Isolated showers before noon.   Seas around 3 ft.

      High: 85 °F

      E 18kt
      3ft

    • Tuesday Night

      Tuesday Night:E wind around 19 kt, with gusts as high as 26 kt. Scattered showers.   Seas 3 to 4 ft.

      Low: 82 °F

      E 19kt
      3-4ft

    • Wednesday

      Wednesday:E wind 18 to 20 kt, with gusts as high as 27 kt. Scattered showers before noon.   Seas around 4 ft.

      High: 85 °F

      E 20kt
      4ft

    • Wednesday Night

      Wednesday Night:E wind around 20 kt, with gusts as high as 27 kt. Isolated showers.   Seas around 4 ft.

      Low: 82 °F

      E 20kt
      4ft

    • Thursday

      Thursday:E wind 18 to 20 kt, with gusts as high as 27 kt. Mostly sunny. Seas around 4 ft.

      High: 85 °F

      E 20kt
      4ft

    • Thursday Night

      Thursday Night:E wind around 17 kt, with gusts as high as 24 kt. Partly cloudy. Seas 3 to 4 ft.

      Low: 82 °F

      E 17kt
      3-4ft

    • Friday

      Friday:E wind 14 to 19 kt, with gusts as high as 26 kt. Sunny. Seas 3 to 4 ft.

      High: 85 °F

      E 19kt
      3-4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:19 pm EDT Sep 6, 2026
Forecast Valid: 1am EDT Sep 7, 2026-6pm EDT Sep 13, 2026

View Nearby Observations

Detailed Forecast


Labor Day
ESE wind 13 to 15 kt, with gusts as high as 21 kt. Scattered showers, mainly between noon and 3pm. Seas 2 to 3 ft.
Monday Night
E wind around 17 kt, with gusts as high as 23 kt. Scattered showers, mainly after midnight. Seas around 3 ft.
Tuesday
E wind 16 to 18 kt, with gusts as high as 24 kt. Isolated showers before noon. Seas around 3 ft.
Tuesday Night
E wind around 19 kt, with gusts as high as 26 kt. Scattered showers. Seas 3 to 4 ft.
Wednesday
E wind 18 to 20 kt, with gusts as high as 27 kt. Scattered showers before noon. Seas around 4 ft.
Wednesday Night
E wind around 20 kt, with gusts as high as 27 kt. Isolated showers. Seas around 4 ft.
Thursday
E wind 18 to 20 kt, with gusts as high as 27 kt. Mostly sunny. Seas around 4 ft.
Thursday Night
E wind around 17 kt, with gusts as high as 24 kt. Partly cloudy. Seas 3 to 4 ft.
Friday
E wind 14 to 19 kt, with gusts as high as 26 kt. Sunny. Seas 3 to 4 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 18.48°N 64.4°W
Last Update: 9:19 pm EDT Sep 6, 2026
Forecast Valid: 1am EDT Sep 7, 2026-6pm EDT Sep 13, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data