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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:E wind around 15 kt, with gusts as high as 21 kt. Isolated showers.   Seas 2 to 3 ft.

      Low: 81 °F

      E 15kt
      2-3ft

    • Monday

      Monday:E wind 12 to 15 kt, with gusts as high as 21 kt. Sunny. Seas around 3 ft.

      High: 83 °F

      E 15kt
      3ft

    • Monday Night

      Monday Night:E wind around 17 kt, with gusts as high as 23 kt. Isolated showers before midnight, then isolated showers after 3am.   Seas 2 to 3 ft.

      Low: 81 °F

      E 17kt
      2-3ft

    • Tuesday

      Tuesday:E wind 14 to 16 kt. Sunny. Seas around 3 ft.

      High: 83 °F

      E 16kt
      3ft

    • Tuesday Night

      Tuesday Night:E wind 15 to 18 kt, with gusts as high as 24 kt. Isolated showers after midnight.   Seas around 3 ft.

      Low: 81 °F

      E 18kt
      3ft

    • Wednesday

      Wednesday:E wind 13 to 15 kt, with gusts as high as 21 kt. Isolated showers after noon.   Seas 2 to 3 ft.

      High: 83 °F

      E 15kt
      2-3ft

    • Wednesday Night

      Wednesday Night:E wind around 16 kt, with gusts as high as 22 kt. Mostly clear. Seas 2 to 3 ft.

      Low: 81 °F

      E 16kt
      2-3ft

    • Thursday

      Thursday:E wind around 17 kt, with gusts as high as 23 kt. Scattered showers.   Seas around 3 ft.

      High: 83 °F

      E 17kt
      3ft

    • Thursday Night

      Thursday Night:E wind 16 to 18 kt, with gusts as high as 24 kt. Scattered showers.   Seas around 3 ft.

      Low: 81 °F

      E 18kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:52 pm EDT Jul 12, 2026
Forecast Valid: 11pm EDT Jul 12, 2026-6pm EDT Jul 19, 2026

View Nearby Observations

Detailed Forecast


Overnight
E wind around 15 kt, with gusts as high as 21 kt. Isolated showers. Seas 2 to 3 ft.
Monday
E wind 12 to 15 kt, with gusts as high as 21 kt. Sunny. Seas around 3 ft.
Monday Night
E wind around 17 kt, with gusts as high as 23 kt. Isolated showers before midnight, then isolated showers after 3am. Seas 2 to 3 ft.
Tuesday
E wind 14 to 16 kt. Sunny. Seas around 3 ft.
Tuesday Night
E wind 15 to 18 kt, with gusts as high as 24 kt. Isolated showers after midnight. Seas around 3 ft.
Wednesday
E wind 13 to 15 kt, with gusts as high as 21 kt. Isolated showers after noon. Seas 2 to 3 ft.
Wednesday Night
E wind around 16 kt, with gusts as high as 22 kt. Mostly clear. Seas 2 to 3 ft.
Thursday
E wind around 17 kt, with gusts as high as 23 kt. Scattered showers. Seas around 3 ft.
Thursday Night
E wind 16 to 18 kt, with gusts as high as 24 kt. Scattered showers. Seas around 3 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: 9:52 pm EDT Jul 12, 2026
Forecast Valid: 11pm EDT Jul 12, 2026-6pm EDT Jul 19, 2026
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