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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Today

      Today:E wind around 22 kt, with gusts as high as 30 kt. Isolated showers.   Seas around 5 ft.

      High: 84 °F

      E 22kt
      5ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:E wind around 21 kt, with gusts as high as 28 kt. Scattered showers, mainly before 3am.   Seas around 5 ft.

      Low: 83 °F

      E 21kt
      5ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday

      Sunday:E wind 15 to 20 kt, with gusts as high as 27 kt. Scattered showers before noon.   Seas 4 to 5 ft.

      High: 84 °F

      E 20kt
      4-5ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday Night

      Sunday Night:E wind 13 to 17 kt, with gusts as high as 23 kt. Clear. Seas 3 to 4 ft.

      Low: 83 °F

      E 17kt
      3-4ft

    • Monday

      Monday:E wind around 14 kt, with gusts as high as 20 kt. Isolated showers before noon.   Seas around 3 ft.

      High: 84 °F

      E 14kt
      3ft

    • Monday Night

      Monday Night:E wind around 13 kt. Isolated showers.   Seas 2 to 3 ft.

      Low: 83 °F

      E 13kt
      2-3ft

    • Tuesday

      Tuesday:E wind 10 to 13 kt. Sunny. Seas around 2 ft.

      High: 84 °F

      E 13kt
      2ft

    • Tuesday Night

      Tuesday Night:E wind 13 to 15 kt, with gusts as high as 21 kt. Mostly clear. Seas around 2 ft.

      Low: 83 °F

      E 15kt
      2ft

    • Wednesday

      Wednesday:E wind 11 to 13 kt. Mostly sunny. Seas around 2 ft.

      High: 84 °F

      E 13kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:06 am EDT Aug 15, 2026
Forecast Valid: 10am EDT Aug 15, 2026-6pm EDT Aug 21, 2026

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Detailed Forecast


Today
E wind around 22 kt, with gusts as high as 30 kt. Isolated showers. Seas around 5 ft.
Tonight
E wind around 21 kt, with gusts as high as 28 kt. Scattered showers, mainly before 3am. Seas around 5 ft.
Sunday
E wind 15 to 20 kt, with gusts as high as 27 kt. Scattered showers before noon. Seas 4 to 5 ft.
Sunday Night
E wind 13 to 17 kt, with gusts as high as 23 kt. Clear. Seas 3 to 4 ft.
Monday
E wind around 14 kt, with gusts as high as 20 kt. Isolated showers before noon. Seas around 3 ft.
Monday Night
E wind around 13 kt. Isolated showers. Seas 2 to 3 ft.
Tuesday
E wind 10 to 13 kt. Sunny. Seas around 2 ft.
Tuesday Night
E wind 13 to 15 kt, with gusts as high as 21 kt. Mostly clear. Seas around 2 ft.
Wednesday
E wind 11 to 13 kt. Mostly sunny. Seas around 2 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: 4:06 am EDT Aug 15, 2026
Forecast Valid: 10am EDT Aug 15, 2026-6pm EDT Aug 21, 2026
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