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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SE wind around 15 kt, with gusts as high as 21 kt. Scattered showers, mainly after midnight.   Seas around 3 ft.

      Low: 78 °F

      SE 15kt
      3ft

    • Saturday

      Saturday:S wind around 12 kt. Scattered showers, mainly between 9am and noon.   Seas around 3 ft.

      High: 81 °F

      S 12kt
      3ft

    • Saturday Night

      Saturday Night:S wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Isolated showers.   Seas around 2 ft.

      Low: 78 °F

      S 9kt⇓
      2ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Scattered showers.   Seas around 2 ft.

      High: 80 °F

      Light Wind
      2ft

    • Sunday Night

      Sunday Night:NE wind 6 to 9 kt. Scattered showers.   Seas around 2 ft.

      Low: 76 °F

      NE 9kt
      2ft

    • Monday

      Monday:NE wind around 11 kt. Scattered showers.   Seas around 3 ft.

      High: 80 °F

      NE 11kt
      3ft

    • Monday Night

      Monday Night:NE wind around 12 kt. Scattered showers.   Seas around 3 ft.

      Low: 76 °F

      NE 12kt
      3ft

    • Tuesday

      Tuesday:ENE wind around 10 kt. Scattered showers.   Seas around 3 ft.

      High: 80 °F

      ENE 10kt
      3ft

    • Tuesday Night

      Tuesday Night:ENE wind 11 to 14 kt, with gusts as high as 20 kt. Scattered showers.   Seas around 2 ft.

      Low: 76 °F

      ENE 14kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:46 pm EDT Mar 20, 2026
Forecast Valid: 6pm EDT Mar 20, 2026-6pm EDT Mar 27, 2026

View Nearby Observations

Detailed Forecast


Tonight
SE wind around 15 kt, with gusts as high as 21 kt. Scattered showers, mainly after midnight. Seas around 3 ft.
Saturday
S wind around 12 kt. Scattered showers, mainly between 9am and noon. Seas around 3 ft.
Saturday Night
S wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Isolated showers. Seas around 2 ft.
Sunday
Variable winds 5 kt or less. Scattered showers. Seas around 2 ft.
Sunday Night
NE wind 6 to 9 kt. Scattered showers. Seas around 2 ft.
Monday
NE wind around 11 kt. Scattered showers. Seas around 3 ft.
Monday Night
NE wind around 12 kt. Scattered showers. Seas around 3 ft.
Tuesday
ENE wind around 10 kt. Scattered showers. Seas around 3 ft.
Tuesday Night
ENE wind 11 to 14 kt, with gusts as high as 20 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: 5:46 pm EDT Mar 20, 2026
Forecast Valid: 6pm EDT Mar 20, 2026-6pm EDT Mar 27, 2026
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