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:

Philadelphia, PA Local Forecast Office

34NM S New York NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds 5 kt or less. Increasing clouds. Seas around 2 ft.

      High: 39 °F

      Light Wind
      2ft

    • Tonight

      Tonight:SW wind 10 to 15 kt. Mostly cloudy. Seas around 2 ft.

      Low: 34 °F

      SW 15kt
      2ft

    • Wednesday

      Wednesday:SSW wind around 15 kt, with gusts as high as 30 kt. A slight chance of rain and snow before 10am, then rain likely.   Seas 2 ft building to 5 ft.

      High: 47 °F

      SSW 15kt
      Waves Building5ft

    • Wednesday Night

      Wednesday Night:SW wind 20 to 25 kt becoming WSW 15 to 20 kt after midnight. A slight chance of rain before 10pm.   Seas 5 ft subsiding to 3 ft.

      Low: 35 °F

      SW 25kt⇓
      5ftWaves Subsiding

    • Thursday

      Thursday:WNW wind 15 to 20 kt. Mostly sunny. Seas 2 to 3 ft.

      High: 39 °F

      WNW 20kt
      2-3ft

    • Thursday Night

      Thursday Night:W wind 15 to 18 kt increasing to 17 to 20 kt after midnight. Partly cloudy. Seas 1 to 2 ft.

      Low: 30 °F

      ⇑W 20kt
      1-2ft

    • Friday

      Friday:W wind 10 to 15 kt. Mostly sunny. Seas around 1 ft.

      High: 39 °F

      W 15kt
      1ft

    • Friday Night

      Friday Night:WSW wind around 10 kt. A chance of snow.   Seas around 1 ft.

      Low: 32 °F

      WSW 10kt
      1ft

    • Saturday

      Saturday:WSW wind 10 to 15 kt increasing to 15 to 20 kt in the afternoon. Mostly cloudy. Seas 1 to 2 ft.

      High: 41 °F

      ⇑WSW 20kt
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:46 am EST Dec 9, 2025
Forecast Valid: 7am EST Dec 9, 2025-6pm EST Dec 15, 2025

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE

Today
Variable winds 5 kt or less. Increasing clouds. Seas around 2 ft.
Tonight
SW wind 10 to 15 kt. Mostly cloudy. Seas around 2 ft.
Wednesday
SSW wind around 15 kt, with gusts as high as 30 kt. A slight chance of rain and snow before 10am, then rain likely. Seas 2 ft building to 5 ft.
Wednesday Night
SW wind 20 to 25 kt becoming WSW 15 to 20 kt after midnight. A slight chance of rain before 10pm. Seas 5 ft subsiding to 3 ft.
Thursday
WNW wind 15 to 20 kt. Mostly sunny. Seas 2 to 3 ft.
Thursday Night
W wind 15 to 18 kt increasing to 17 to 20 kt after midnight. Partly cloudy. Seas 1 to 2 ft.
Friday
W wind 10 to 15 kt. Mostly sunny. Seas around 1 ft.
Friday Night
WSW wind around 10 kt. A chance of snow. Seas around 1 ft.
Saturday
WSW wind 10 to 15 kt increasing to 15 to 20 kt in the afternoon. Mostly cloudy. 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: 40.16°N 74.01°W
Last Update: 5:46 am EST Dec 9, 2025
Forecast Valid: 7am EST Dec 9, 2025-6pm EST Dec 15, 2025
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