Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

For More Weather Information:

Norton, MA Local Forecast Office

8NM ENE Boston MA

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:NW wind 9 to 13 kt. Mostly clear. Seas around 1 ft.

      Low: 19 °F

      NW 13kt
      1ft

    • Tuesday

      Tuesday:WNW wind 7 to 11 kt becoming SSW in the afternoon. Increasing clouds. Seas around 1 ft.

      High: 33 °F

      SSW 11kt
      1ft

    • Tuesday Night

      Tuesday Night:SSW wind around 16 kt. A chance of snow between 8pm and 1am, then a chance of rain after 1am.   Seas around 2 ft.

      Low: 29 °FRising Temperatures

      SSW 16kt
      2ft

    • Wednesday

      Wednesday:SSW wind 14 to 18 kt. Rain likely, mainly after 3pm.   Seas around 2 ft.

      High: 46 °F

      SSW 18kt
      2ft

    • Wednesday Night

      Wednesday Night:SSW wind 17 to 20 kt becoming WSW after midnight. Rain likely, mainly before 3am.   Seas around 2 ft.

      Low: 37 °FRising Temperatures

      SSW 20kt
      2ft

    • Thursday

      Thursday:W wind 17 to 19 kt. Mostly sunny. Seas around 2 ft.

      High: 40 °F

      W 19kt
      2ft

    • Thursday Night

      Thursday Night:W wind around 19 kt. Partly cloudy. Seas around 2 ft.

      Low: 27 °FRising Temperatures

      W 19kt
      2ft

    • Friday

      Friday:W wind 16 to 18 kt. Sunny. Seas around 2 ft.

      High: 33 °F

      W 18kt
      2ft

    • Friday Night

      Friday Night:W wind 13 to 15 kt. A chance of snow.   Seas 1 to 2 ft.

      Low: 28 °FRising Temperatures

      W 15kt
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:46 pm EST Dec 8, 2025
Forecast Valid: 8pm EST Dec 8, 2025-6pm EST Dec 15, 2025

View Nearby Observations

Detailed Forecast


Tonight
NW wind 9 to 13 kt. Mostly clear. Seas around 1 ft.
Tuesday
WNW wind 7 to 11 kt becoming SSW in the afternoon. Increasing clouds. Seas around 1 ft.
Tuesday Night
SSW wind around 16 kt. A chance of snow between 8pm and 1am, then a chance of rain after 1am. Seas around 2 ft.
Wednesday
SSW wind 14 to 18 kt. Rain likely, mainly after 3pm. Seas around 2 ft.
Wednesday Night
SSW wind 17 to 20 kt becoming WSW after midnight. Rain likely, mainly before 3am. Seas around 2 ft.
Thursday
W wind 17 to 19 kt. Mostly sunny. Seas around 2 ft.
Thursday Night
W wind around 19 kt. Partly cloudy. Seas around 2 ft.
Friday
W wind 16 to 18 kt. Sunny. Seas around 2 ft.
Friday Night
W wind 13 to 15 kt. A chance of snow. Seas 1 to 2 ft.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.

*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: 42.41°N 70.91°W
Last Update: 12:46 pm EST Dec 8, 2025
Forecast Valid: 8pm EST Dec 8, 2025-6pm EST Dec 15, 2025
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