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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:ESE wind 7 to 11 kt. Isolated showers.   Seas around 2 ft.

      Low: 80 °F

      ESE 11kt
      2ft

    • Friday

      Friday:ESE wind 8 to 14 kt. Scattered showers, mainly after 5pm.   Seas around 2 ft.

      High: 81 °F

      ESE 14kt
      2ft

    • Friday Night

      Friday Night:E wind around 12 kt. Scattered showers, with thunderstorms also possible after 11pm.   Seas 2 to 3 ft.

      Low: 80 °F

      E 12kt
      2-3ft

    • Saturday

      Saturday:E wind around 13 kt. Scattered showers, mainly before 11am.   Seas around 2 ft.

      High: 81 °F

      E 13kt
      2ft

    • Saturday Night

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

      Low: 80 °F

      E 13kt
      2ft

    • Sunday

      Sunday:ESE wind 11 to 13 kt. Isolated showers after 11am.   Seas around 2 ft.

      High: 81 °F

      ESE 13kt
      2ft

    • Sunday Night

      Sunday Night:ESE wind 9 to 12 kt. Partly cloudy. Seas around 2 ft.

      Low: 80 °F

      ESE 12kt
      2ft

    • Monday

      Monday:SSE wind around 6 kt becoming variable and less than 5 kt in the morning. Scattered showers.   Seas around 2 ft.

      High: 81 °F

      SSE 6kt⇓
      2ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Scattered showers.   Seas 1 to 2 ft.

      Low: 80 °F

      Light Wind
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:52 pm EST Jan 1, 2026
Forecast Valid: 11pm EST Jan 1, 2026-6pm EST Jan 8, 2026

View Nearby Observations

Detailed Forecast


Overnight
ESE wind 7 to 11 kt. Isolated showers. Seas around 2 ft.
Friday
ESE wind 8 to 14 kt. Scattered showers, mainly after 5pm. Seas around 2 ft.
Friday Night
E wind around 12 kt. Scattered showers, with thunderstorms also possible after 11pm. Seas 2 to 3 ft.
Saturday
E wind around 13 kt. Scattered showers, mainly before 11am. Seas around 2 ft.
Saturday Night
E wind around 13 kt. Scattered showers. Seas around 2 ft.
Sunday
ESE wind 11 to 13 kt. Isolated showers after 11am. Seas around 2 ft.
Sunday Night
ESE wind 9 to 12 kt. Partly cloudy. Seas around 2 ft.
Monday
SSE wind around 6 kt becoming variable and less than 5 kt in the morning. Scattered showers. Seas around 2 ft.
Monday Night
Variable winds 5 kt or less. Scattered showers. Seas 1 to 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: 2:52 pm EST Jan 1, 2026
Forecast Valid: 11pm EST Jan 1, 2026-6pm EST Jan 8, 2026
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