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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Thursday

      Thursday:E wind 8 to 11 kt. Isolated showers before 9am, then isolated showers after noon.   Seas 1 to 2 ft.

      High: 85 °F

      E 11kt
      1-2ft

    • Thursday Night

      Thursday Night:E wind 11 to 13 kt. Scattered showers, mainly after 3am.   Seas around 2 ft.

      Low: 82 °F

      E 13kt
      2ft

    • Friday

      Friday:E wind 12 to 14 kt, with gusts as high as 20 kt. Scattered showers.   Seas around 2 ft.

      High: 85 °F

      E 14kt
      2ft

    • Friday Night

      Friday Night:E wind around 14 kt. Scattered showers.   Seas around 2 ft.

      Low: 82 °F

      E 14kt
      2ft

    • Saturday

      Saturday:E wind around 13 kt. Sunny. Seas around 2 ft.

      High: 85 °F

      E 13kt
      2ft

    • Saturday Night

      Saturday Night:ESE wind around 12 kt. Scattered showers.   Seas around 2 ft.

      Low: 82 °F

      ESE 12kt
      2ft

    • Sunday

      Sunday:ESE wind around 10 kt. Showers likely, mainly after noon.   Seas around 2 ft.

      High: 85 °F

      ESE 10kt
      2ft

    • Sunday Night

      Sunday Night:ESE wind around 10 kt. Showers likely.   Seas around 2 ft.

      Low: 82 °F

      ESE 10kt
      2ft

    • Labor Day

      Labor Day:ESE wind around 11 kt. Showers likely.   Seas around 2 ft.

      High: 85 °F

      ESE 11kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:11 pm EDT Sep 2, 2026
Forecast Valid: 1am EDT Sep 3, 2026-6pm EDT Sep 9, 2026

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Detailed Forecast


Thursday
E wind 8 to 11 kt. Isolated showers before 9am, then isolated showers after noon. Seas 1 to 2 ft.
Thursday Night
E wind 11 to 13 kt. Scattered showers, mainly after 3am. Seas around 2 ft.
Friday
E wind 12 to 14 kt, with gusts as high as 20 kt. Scattered showers. Seas around 2 ft.
Friday Night
E wind around 14 kt. Scattered showers. Seas around 2 ft.
Saturday
E wind around 13 kt. Sunny. Seas around 2 ft.
Saturday Night
ESE wind around 12 kt. Scattered showers. Seas around 2 ft.
Sunday
ESE wind around 10 kt. Showers likely, mainly after noon. Seas around 2 ft.
Sunday Night
ESE wind around 10 kt. Showers likely. Seas around 2 ft.
Labor Day
ESE wind around 11 kt. Showers likely. 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: 6:11 pm EDT Sep 2, 2026
Forecast Valid: 1am EDT Sep 3, 2026-6pm EDT Sep 9, 2026
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