Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

For More Weather Information:

San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Today

      Today:E wind around 19 kt, with gusts as high as 26 kt. Scattered showers, mainly before 2pm.   Seas 3 to 4 ft.

      High: 83 °F

      E 19kt
      3-4ft

    • Tonight

      Tonight:E wind 16 to 19 kt, with gusts as high as 26 kt. Scattered showers, mainly after 2am.   Seas around 4 ft.

      Low: 82 °F

      E 19kt
      4ft

    • Thursday

      Thursday:ESE wind 14 to 18 kt, with gusts as high as 24 kt. Scattered showers, mainly before 8am.   Seas around 4 ft.

      High: 83 °F

      ESE 18kt
      4ft

    • Thursday Night

      Thursday Night:E wind 11 to 16 kt, with gusts as high as 22 kt. Isolated showers before 11pm.   Seas around 4 ft.

      Low: 82 °F

      E 16kt
      4ft

    • Friday

      Friday:E wind 13 to 17 kt, with gusts as high as 23 kt. Isolated showers.   Seas around 4 ft.

      High: 83 °F

      E 17kt
      4ft

    • Friday Night

      Friday Night:E wind 17 to 20 kt, with gusts as high as 27 kt. Scattered showers.   Seas around 4 ft.

      Low: 82 °F

      E 20kt
      4ft

    • Saturday

      Saturday:E wind 16 to 18 kt, with gusts as high as 24 kt. Scattered showers.   Seas around 4 ft.

      High: 83 °F

      E 18kt
      4ft

    • Saturday Night

      Saturday Night:E wind 15 to 18 kt, with gusts as high as 24 kt. Scattered showers.   Seas around 4 ft.

      Low: 82 °F

      E 18kt
      4ft

    • Sunday

      Sunday:E wind 15 to 19 kt, with gusts as high as 25 kt. Scattered showers.   Seas around 4 ft.

      High: 83 °F

      E 19kt
      4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:34 am EST Dec 10, 2025
Forecast Valid: 7am EST Dec 10, 2025-6pm EST Dec 16, 2025

View Nearby Observations

Detailed Forecast


Today
E wind around 19 kt, with gusts as high as 26 kt. Scattered showers, mainly before 2pm. Seas 3 to 4 ft.
Tonight
E wind 16 to 19 kt, with gusts as high as 26 kt. Scattered showers, mainly after 2am. Seas around 4 ft.
Thursday
ESE wind 14 to 18 kt, with gusts as high as 24 kt. Scattered showers, mainly before 8am. Seas around 4 ft.
Thursday Night
E wind 11 to 16 kt, with gusts as high as 22 kt. Isolated showers before 11pm. Seas around 4 ft.
Friday
E wind 13 to 17 kt, with gusts as high as 23 kt. Isolated showers. Seas around 4 ft.
Friday Night
E wind 17 to 20 kt, with gusts as high as 27 kt. Scattered showers. Seas around 4 ft.
Saturday
E wind 16 to 18 kt, with gusts as high as 24 kt. Scattered showers. Seas around 4 ft.
Saturday Night
E wind 15 to 18 kt, with gusts as high as 24 kt. Scattered showers. Seas around 4 ft.
Sunday
E wind 15 to 19 kt, with gusts as high as 25 kt. Scattered showers. Seas around 4 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: 2:34 am EST Dec 10, 2025
Forecast Valid: 7am EST Dec 10, 2025-6pm EST Dec 16, 2025
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