National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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:

Portland, OR Local Forecast Office

5NM N Cape Lookout OR

Marine Point Forecast

[NOTICE]

    • Overnight

      Overnight:SSW wind 19 to 21 kt, with gusts as high as 33 kt. Rain. W swell 6 ft at 12 seconds. Wind waves around 5 ft.

      SSW 21kt
      Waves Building8ft

      Gale Warning
      Gale Warning

    • Wednesday

      Wednesday:SSW wind 19 to 21 kt, with gusts as high as 31 kt. Rain. WSW swell 7 ft at 11 seconds building to 11 ft. Wind waves around 4 ft.

      SSW 21kt
      Waves Building12ft

      Gale Warning
      Gale Warning

    • Wednesday Night

      Wednesday Night:SSW wind 15 to 18 kt, with gusts as high as 27 kt. Rain. N swell 0 ft at 13 seconds building to 3 ft. Wind waves around 3 ft.

      SSW 18kt
      3-4ft

      Gale Warning
      Gale Warning

    • Thursday

      Thursday:SSW wind around 10 kt. Rain. W swell 6 ft decreasing to 3 ft. Wind waves around 2 ft.

      SSW 10kt
      7ftWaves Subsiding

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Rain likely, mainly before 10pm. W swell 2 to 3 ft. Wind waves around 1 ft.

      Light Wind
      1-3ft

    • Friday

      Friday:Variable winds 5 kt or less. A chance of rain. N swell 6 ft decreasing to 0 ft. Wind waves 1 ft or less.

      Light Wind
      6ftWaves Subsiding

    • Friday Night

      Friday Night:Variable winds 5 kt or less. A chance of rain, mainly before 10pm. N swell 4 ft decreasing to 0 ft. Wind waves 1 ft or less.

      Light Wind
      4ftWaves Subsiding

    • Saturday

      Saturday:Variable winds less than 5 kt becoming S around 6 kt in the morning. A chance of rain. W swell 4 ft decreasing to 1 ft. Wind waves around 1 ft.

      ⇑S 6kt
      4ftWaves Subsiding

    • Saturday Night

      Saturday Night:S wind around 9 kt. Rain. N swell 3 ft decreasing to 0 ft. Wind waves around 2 ft.

      S 9kt
      2-4ft


Associated Zone Forecast which includes this point

Last Update: 12:45 am PST Dec 10, 2025
Forecast Valid: 12am PST Dec 10, 2025-6pm PST Dec 16, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM PST THIS AFTERNOON...

Overnight
SSW wind 19 to 21 kt, with gusts as high as 33 kt. Rain. W swell 6 ft at 12 seconds. Wind waves around 5 ft.
Wednesday
SSW wind 19 to 21 kt, with gusts as high as 31 kt. Rain. WSW swell 7 ft at 11 seconds building to 11 ft. Wind waves around 4 ft.
Wednesday Night
SSW wind 15 to 18 kt, with gusts as high as 27 kt. Rain. N swell 0 ft at 13 seconds building to 3 ft. Wind waves around 3 ft.
Thursday
SSW wind around 10 kt. Rain. W swell 6 ft decreasing to 3 ft. Wind waves around 2 ft.
Thursday Night
Variable winds 5 kt or less. Rain likely, mainly before 10pm. W swell 2 to 3 ft. Wind waves around 1 ft.
Friday
Variable winds 5 kt or less. A chance of rain. N swell 6 ft decreasing to 0 ft. Wind waves 1 ft or less.
Friday Night
Variable winds 5 kt or less. A chance of rain, mainly before 10pm. N swell 4 ft decreasing to 0 ft. Wind waves 1 ft or less.
Saturday
Variable winds less than 5 kt becoming S around 6 kt in the morning. A chance of rain. W swell 4 ft decreasing to 1 ft. Wind waves around 1 ft.
Saturday Night
S wind around 9 kt. Rain. N swell 3 ft decreasing to 0 ft. Wind waves around 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: 45.42°N 123.94°W
Last Update: 12:45 am PST Dec 10, 2025
Forecast Valid: 12am PST Dec 10, 2025-6pm PST Dec 16, 2025
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