Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

For More Weather Information:

San Juan, PR Local Forecast Office

8NM E Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Today

      Today:SE wind 13 to 16 kt, with gusts as high as 22 kt. Sunny. Seas around 2 ft.

      High: 83 °F

      SE 16kt
      2ft

    • Tonight

      Tonight:E wind 9 to 15 kt, with gusts as high as 21 kt. Scattered showers, mainly after 2am.   Seas around 2 ft.

      Low: 82 °F

      E 15kt
      2ft

    • Wednesday

      Wednesday:E wind 17 to 19 kt, with gusts as high as 26 kt. Scattered showers.   Seas 2 to 3 ft.

      High: 83 °F

      E 19kt
      2-3ft

    • Wednesday Night

      Wednesday Night:E wind 16 to 19 kt, with gusts as high as 26 kt. Scattered showers, mainly after 11pm.   Seas around 3 ft.

      Low: 82 °F

      E 19kt
      3ft

    • Thursday

      Thursday:E wind 14 to 17 kt, with gusts as high as 23 kt. Isolated showers.   Seas around 3 ft.

      High: 83 °F

      E 17kt
      3ft

    • Thursday Night

      Thursday Night:E wind around 16 kt, with gusts as high as 22 kt. Isolated showers.   Seas around 3 ft.

      Low: 82 °F

      E 16kt
      3ft

    • Friday

      Friday:E wind around 17 kt, with gusts as high as 23 kt. Mostly sunny. Seas around 3 ft.

      High: 83 °F

      E 17kt
      3ft

    • Friday Night

      Friday Night:E wind 17 to 19 kt, with gusts as high as 26 kt. Partly cloudy. Seas around 3 ft.

      Low: 82 °F

      E 19kt
      3ft

    • Saturday

      Saturday:E wind around 19 kt, with gusts as high as 26 kt. Scattered showers.   Seas around 3 ft.

      High: 83 °F

      E 19kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:48 am EST Dec 9, 2025
Forecast Valid: 11am EST Dec 9, 2025-6pm EST Dec 15, 2025

View Nearby Observations

Detailed Forecast


Today
SE wind 13 to 16 kt, with gusts as high as 22 kt. Sunny. Seas around 2 ft.
Tonight
E wind 9 to 15 kt, with gusts as high as 21 kt. Scattered showers, mainly after 2am. Seas around 2 ft.
Wednesday
E wind 17 to 19 kt, with gusts as high as 26 kt. Scattered showers. Seas 2 to 3 ft.
Wednesday Night
E wind 16 to 19 kt, with gusts as high as 26 kt. Scattered showers, mainly after 11pm. Seas around 3 ft.
Thursday
E wind 14 to 17 kt, with gusts as high as 23 kt. Isolated showers. Seas around 3 ft.
Thursday Night
E wind around 16 kt, with gusts as high as 22 kt. Isolated showers. Seas around 3 ft.
Friday
E wind around 17 kt, with gusts as high as 23 kt. Mostly sunny. Seas around 3 ft.
Friday Night
E wind 17 to 19 kt, with gusts as high as 26 kt. Partly cloudy. Seas around 3 ft.
Saturday
E wind around 19 kt, with gusts as high as 26 kt. Scattered showers. 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: 18.33°N 64.8°W
Last Update: 8:48 am EST Dec 9, 2025
Forecast Valid: 11am EST Dec 9, 2025-6pm EST Dec 15, 2025
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