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

27NM SSE New York NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:S wind 5 to 8 kt becoming SSW 7 to 10 kt in the afternoon. Increasing clouds. Seas around 2 ft.

      High: 41 °F

      ⇑SSW 10kt
      2ft

    • Tonight

      Tonight:SW wind 15 to 20 kt. Mostly cloudy. Seas 2 to 3 ft.

      Low: 38 °F

      SW 20kt
      2-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:SW wind 20 to 25 kt, with gusts as high as 35 kt. A slight chance of rain and snow before 10am, then rain likely.   Seas 4 ft building to 7 ft.

      High: 48 °F

      SW 25kt
      Waves Building7ft

    • Wednesday Night

      Wednesday Night:SW wind 20 to 25 kt becoming W after midnight. A chance of rain before 10pm.   Seas 7 ft subsiding to 5 ft.

      Low: 36 °F

      SW 25kt
      7ftWaves Subsiding

    • Thursday

      Thursday:WNW wind 20 to 25 kt. Mostly sunny. Seas 4 to 5 ft.

      High: 39 °F

      WNW 25kt
      4-5ft

    • Thursday Night

      Thursday Night:W wind 20 to 25 kt. Partly cloudy. Seas 3 to 4 ft.

      Low: 32 °F

      W 25kt
      3-4ft

    • Friday

      Friday:W wind 15 to 20 kt. Mostly sunny. Seas around 2 ft.

      High: 39 °F

      W 20kt
      2ft

    • Friday Night

      Friday Night:WSW wind 10 to 15 kt. A chance of rain and snow before 1am, then a chance of snow.   Seas around 2 ft.

      Low: 35 °F

      WSW 15kt
      2ft

    • Saturday

      Saturday:WSW wind 15 to 20 kt, with gusts as high as 30 kt. Mostly cloudy. Seas 2 ft building to 4 ft.

      High: 41 °F

      WSW 20kt
      Waves Building4ft


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

View Nearby Observations

Detailed Forecast

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

Today
S wind 5 to 8 kt becoming SSW 7 to 10 kt in the afternoon. Increasing clouds. Seas around 2 ft.
Tonight
SW wind 15 to 20 kt. Mostly cloudy. Seas 2 to 3 ft.
Wednesday
SW wind 20 to 25 kt, with gusts as high as 35 kt. A slight chance of rain and snow before 10am, then rain likely. Seas 4 ft building to 7 ft.
Wednesday Night
SW wind 20 to 25 kt becoming W after midnight. A chance of rain before 10pm. Seas 7 ft subsiding to 5 ft.
Thursday
WNW wind 20 to 25 kt. Mostly sunny. Seas 4 to 5 ft.
Thursday Night
W wind 20 to 25 kt. Partly cloudy. Seas 3 to 4 ft.
Friday
W wind 15 to 20 kt. Mostly sunny. Seas around 2 ft.
Friday Night
WSW wind 10 to 15 kt. A chance of rain and snow before 1am, then a chance of snow. Seas around 2 ft.
Saturday
WSW wind 15 to 20 kt, with gusts as high as 30 kt. Mostly cloudy. Seas 2 ft building to 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 40.27°N 73.84°W
Last Update: 5:46 am EST Dec 9, 2025
Forecast Valid: 7am EST Dec 9, 2025-6pm EST Dec 15, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data