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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:ESE wind 13 to 15 kt, with gusts as high as 21 kt. Scattered showers, mainly before 3am.   Seas around 2 ft.

      Low: 82 °F

      ESE 15kt
      2ft

    • Sunday

      Sunday:ESE wind around 13 kt. Scattered showers.   Seas around 2 ft.

      High: 85 °F

      ESE 13kt
      2ft

    • Sunday Night

      Sunday Night:ESE wind around 15 kt, with gusts as high as 21 kt. Scattered showers.   Seas around 2 ft.

      Low: 82 °F

      ESE 15kt
      2ft

    • Labor Day

      Labor Day:ESE wind 13 to 16 kt, with gusts as high as 22 kt. Scattered showers, mainly before noon.   Seas around 2 ft.

      High: 85 °F

      ESE 16kt
      2ft

    • Monday Night

      Monday Night:E wind 15 to 17 kt, with gusts as high as 23 kt. Scattered showers.   Seas 2 to 3 ft.

      Low: 82 °F

      E 17kt
      2-3ft

    • Tuesday

      Tuesday:E wind around 16 kt, with gusts as high as 22 kt. Isolated showers before noon.   Seas 3 to 4 ft.

      High: 85 °F

      E 16kt
      3-4ft

    • Tuesday Night

      Tuesday Night:E wind around 17 kt, with gusts as high as 24 kt. Scattered showers.   Seas around 4 ft.

      Low: 82 °F

      E 17kt
      4ft

    • Wednesday

      Wednesday:E wind around 19 kt, with gusts as high as 25 kt. Scattered showers.   Seas around 4 ft.

      High: 85 °F

      E 19kt
      4ft

    • Wednesday Night

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

      Low: 82 °F

      E 18kt
      4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:33 pm EDT Sep 5, 2026
Forecast Valid: 7pm EDT Sep 5, 2026-6pm EDT Sep 12, 2026

View Nearby Observations

Detailed Forecast


Tonight
ESE wind 13 to 15 kt, with gusts as high as 21 kt. Scattered showers, mainly before 3am. Seas around 2 ft.
Sunday
ESE wind around 13 kt. Scattered showers. Seas around 2 ft.
Sunday Night
ESE wind around 15 kt, with gusts as high as 21 kt. Scattered showers. Seas around 2 ft.
Labor Day
ESE wind 13 to 16 kt, with gusts as high as 22 kt. Scattered showers, mainly before noon. Seas around 2 ft.
Monday Night
E wind 15 to 17 kt, with gusts as high as 23 kt. Scattered showers. Seas 2 to 3 ft.
Tuesday
E wind around 16 kt, with gusts as high as 22 kt. Isolated showers before noon. Seas 3 to 4 ft.
Tuesday Night
E wind around 17 kt, with gusts as high as 24 kt. Scattered showers. Seas around 4 ft.
Wednesday
E wind around 19 kt, with gusts as high as 25 kt. Scattered showers. Seas around 4 ft.
Wednesday Night
E wind around 18 kt, with gusts as high as 25 kt. Partly cloudy. Seas around 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: 4:33 pm EDT Sep 5, 2026
Forecast Valid: 7pm EDT Sep 5, 2026-6pm EDT Sep 12, 2026
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