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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:E wind 15 to 17 kt, with gusts as high as 23 kt. Isolated showers before midnight, then isolated showers after 3am.   Seas around 3 ft.

      Low: 82 °F

      E 17kt
      3ft

    • Saturday

      Saturday:E wind around 18 kt, with gusts as high as 25 kt. Scattered showers, with thunderstorms also possible after 3pm.   Seas 3 to 4 ft.

      High: 84 °F

      E 18kt
      3-4ft

    • Saturday Night

      Saturday Night:ESE wind 13 to 18 kt, with gusts as high as 24 kt. Scattered showers, with thunderstorms also possible after midnight.   Seas around 3 ft.

      Low: 82 °F

      ESE 18kt
      3ft

    • Sunday

      Sunday:E wind 11 to 14 kt. Scattered showers.   Seas 2 to 3 ft.

      High: 84 °F

      E 14kt
      2-3ft

    • Sunday Night

      Sunday Night:E wind around 17 kt, with gusts as high as 23 kt. Isolated showers.   Seas around 3 ft.

      Low: 82 °F

      E 17kt
      3ft

    • Monday

      Monday:E wind around 15 kt. Isolated showers.   Seas around 3 ft.

      High: 84 °F

      E 15kt
      3ft

    • Monday Night

      Monday Night:E wind around 14 kt. Mostly clear. Seas around 2 ft.

      Low: 82 °F

      E 14kt
      2ft

    • Tuesday

      Tuesday:E wind 10 to 12 kt. Mostly sunny. Seas around 2 ft.

      High: 84 °F

      E 12kt
      2ft

    • Tuesday Night

      Tuesday Night:E wind around 13 kt. Scattered showers.   Seas around 2 ft.

      Low: 82 °F

      E 13kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:07 pm EDT Jul 31, 2026
Forecast Valid: 7pm EDT Jul 31, 2026-6pm EDT Aug 7, 2026

View Nearby Observations

Detailed Forecast


Tonight
E wind 15 to 17 kt, with gusts as high as 23 kt. Isolated showers before midnight, then isolated showers after 3am. Seas around 3 ft.
Saturday
E wind around 18 kt, with gusts as high as 25 kt. Scattered showers, with thunderstorms also possible after 3pm. Seas 3 to 4 ft.
Saturday Night
ESE wind 13 to 18 kt, with gusts as high as 24 kt. Scattered showers, with thunderstorms also possible after midnight. Seas around 3 ft.
Sunday
E wind 11 to 14 kt. Scattered showers. Seas 2 to 3 ft.
Sunday Night
E wind around 17 kt, with gusts as high as 23 kt. Isolated showers. Seas around 3 ft.
Monday
E wind around 15 kt. Isolated showers. Seas around 3 ft.
Monday Night
E wind around 14 kt. Mostly clear. Seas around 2 ft.
Tuesday
E wind 10 to 12 kt. Mostly sunny. Seas around 2 ft.
Tuesday Night
E wind around 13 kt. Scattered showers. 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: 4:07 pm EDT Jul 31, 2026
Forecast Valid: 7pm EDT Jul 31, 2026-6pm EDT Aug 7, 2026
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