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San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:Variable winds 5 kt or less. Sunny. Seas around 4 ft.

      High: 80 °F

      Light Wind
      4ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:E wind around 6 kt. Isolated showers before 11pm, then scattered showers after 2am.   Seas around 3 ft.

      Low: 78 °F

      E 6kt
      3ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Scattered showers, mainly before 2pm.   Seas around 3 ft.

      High: 80 °F

      Light Wind
      3ft

    • Sunday Night

      Sunday Night:NE wind 6 to 9 kt. Isolated showers after 8pm.   Seas around 3 ft.

      Low: 77 °F

      NE 9kt
      3ft

    • Monday

      Monday:ENE wind 9 to 11 kt. Sunny. Seas around 3 ft.

      High: 79 °F

      ENE 11kt
      3ft

    • Monday Night

      Monday Night:ENE wind 8 to 11 kt. Clear. Seas around 3 ft.

      Low: 77 °F

      ENE 11kt
      3ft

    • Tuesday

      Tuesday:SE wind 8 to 12 kt. Sunny. Seas around 3 ft.

      High: 80 °F

      SE 12kt
      3ft

    • Tuesday Night

      Tuesday Night:ESE wind 8 to 10 kt. Mostly clear. Seas around 3 ft.

      Low: 78 °F

      ESE 10kt
      3ft

    • Wednesday

      Wednesday:ESE wind around 10 kt. Sunny. Seas around 3 ft.

      High: 81 °F

      ESE 10kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:47 pm EST Dec 27, 2025
Forecast Valid: 3pm EST Dec 27, 2025-6pm EST Jan 2, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
Variable winds 5 kt or less. Sunny. Seas around 4 ft.
Tonight
E wind around 6 kt. Isolated showers before 11pm, then scattered showers after 2am. Seas around 3 ft.
Sunday
Variable winds 5 kt or less. Scattered showers, mainly before 2pm. Seas around 3 ft.
Sunday Night
NE wind 6 to 9 kt. Isolated showers after 8pm. Seas around 3 ft.
Monday
ENE wind 9 to 11 kt. Sunny. Seas around 3 ft.
Monday Night
ENE wind 8 to 11 kt. Clear. Seas around 3 ft.
Tuesday
SE wind 8 to 12 kt. Sunny. Seas around 3 ft.
Tuesday Night
ESE wind 8 to 10 kt. Mostly clear. Seas around 3 ft.
Wednesday
ESE wind around 10 kt. Sunny. Seas around 3 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: 2:47 pm EST Dec 27, 2025
Forecast Valid: 3pm EST Dec 27, 2025-6pm EST Jan 2, 2026
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