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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Today

      Today:SW wind 7 to 9 kt. Isolated showers.   Seas around 2 ft.

      High: 84 °F

      SW 9kt
      2ft

    • Tonight

      Tonight:SW wind 7 to 10 kt. Showers likely and possibly a thunderstorm before 2am, then scattered showers and thunderstorms after 2am.   Seas around 2 ft.

      Low: 82 °F

      SW 10kt
      2ft

    • Friday

      Friday:SW wind 10 to 14 kt. Scattered showers and thunderstorms.   Seas 2 to 3 ft.

      High: 84 °F

      SW 14kt
      2-3ft

    • Friday Night

      Friday Night:SW wind 10 to 12 kt. Scattered showers.   Seas around 3 ft.

      Low: 82 °F

      SW 12kt
      3ft

    • Saturday

      Saturday:WSW wind 12 to 15 kt, with gusts as high as 21 kt. Scattered showers.   Seas 3 to 4 ft.

      High: 84 °F

      WSW 15kt
      3-4ft

    • Saturday Night

      Saturday Night:WSW wind 13 to 15 kt, with gusts as high as 21 kt. Scattered showers and thunderstorms.   Seas 3 to 4 ft.

      Low: 82 °F

      WSW 15kt
      3-4ft

    • Sunday

      Sunday:WSW wind 13 to 15 kt, with gusts as high as 21 kt. Mostly sunny. Seas around 3 ft.

      High: 84 °F

      WSW 15kt
      3ft

    • Sunday Night

      Sunday Night:WSW wind 8 to 11 kt. Partly cloudy. Seas around 3 ft.

      Low: 82 °F

      WSW 11kt
      3ft

    • Monday

      Monday:W wind 6 to 8 kt becoming SSE in the afternoon. Mostly sunny. Seas around 3 ft.

      High: 84 °F

      SSE 8kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:32 am EST Nov 5, 2026
Forecast Valid: 10am EST Nov 5, 2026-6pm EST Nov 11, 2026

View Nearby Observations

Detailed Forecast


Today
SW wind 7 to 9 kt. Isolated showers. Seas around 2 ft.
Tonight
SW wind 7 to 10 kt. Showers likely and possibly a thunderstorm before 2am, then scattered showers and thunderstorms after 2am. Seas around 2 ft.
Friday
SW wind 10 to 14 kt. Scattered showers and thunderstorms. Seas 2 to 3 ft.
Friday Night
SW wind 10 to 12 kt. Scattered showers. Seas around 3 ft.
Saturday
WSW wind 12 to 15 kt, with gusts as high as 21 kt. Scattered showers. Seas 3 to 4 ft.
Saturday Night
WSW wind 13 to 15 kt, with gusts as high as 21 kt. Scattered showers and thunderstorms. Seas 3 to 4 ft.
Sunday
WSW wind 13 to 15 kt, with gusts as high as 21 kt. Mostly sunny. Seas around 3 ft.
Sunday Night
WSW wind 8 to 11 kt. Partly cloudy. Seas around 3 ft.
Monday
W wind 6 to 8 kt becoming SSE in the afternoon. Mostly sunny. Seas around 3 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: 4:32 am EST Nov 5, 2026
Forecast Valid: 10am EST Nov 5, 2026-6pm EST Nov 11, 2026
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