Heavy Snow & Ice Across Portions of the Plains and Midwest; Unsettled in the Pacific Northwest

Heavy snow and freezing rain will impact portions of the Plains, upper Midwest, and Great Lakes into Monday. Significant snow accumulations and gusty winds are likely in some areas. Farther to the south, rain and a few thunderstorms are expected over the Mississippi, Tennessee, and Ohio Valleys. Heavy rain & mountain snowfall will also continue from northern California into the Pacific Northwest.
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Portland, OR Local Forecast Office

7NM S Long Beach WA

Marine Point Forecast

[NOTICE]
  • Overnight

    Heavy Rain

    S 30kt
    18ft

    Storm Warning
    Storm Warning

  • Sunday

    Heavy Rain

    SW 31ktWinds Decreasing
    Waves Building22ft

    Storm Warning
    Storm Warning

  • Sunday
    Night

    Showers

    WSW 22kt
    16-18ft
  • Monday

    Showers

    SSW 13kt
    14-15ft
  • Monday
    Night

    Rain Likely

    SSE 12kt
    10-12ft
  • Tuesday

    Rain

    SSE 19kt
    9ft
  • Tuesday
    Night

    Rain

    S 19kt
    11ft
  • Wednesday

    Rain

    SSW 15kt
    12ft
  • Wednesday
    Night

    Showers

    SW 14kt
    13ft

Associated Zone Forecast which includes this point

Last Update: 8:49 pm PST Jan 20, 2018
Forecast Valid: 4am PST Jan 21, 2018-6pm PST Jan 27, 2018

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Detailed Forecast


Synopsis: A strong cold front approaching the waters will move ashore around midday. A round of gales is expected Tuesday as the next front crosses the waters. Systems will continue to pass through the waters with varying impacts through the week.

Overnight
S wind around 30 kt, with gusts as high as 38 kt. Rain. The rain could be heavy at times. WSW swell 17 ft at 11 seconds. Wind waves around 7 ft.
Sunday
SW wind 26 to 31 kt decreasing to 17 to 22 kt in the afternoon. Winds could gust as high as 39 kt. Rain. Some of the storms could produce heavy rainfall. WSW swell 22 ft at 12 seconds. Wind waves 7 ft subsiding to 3 ft.
Sunday Night
WSW wind 15 to 22 kt, with gusts as high as 28 kt. Showers and possibly a thunderstorm. W swell 16 to 17 ft at 15 seconds. Wind waves 3 to 4 ft.
Monday
SSW wind 8 to 13 kt. Showers. W swell 14 to 15 ft. Wind waves around 2 ft.
Monday Night
SSE wind around 12 kt. Rain likely, mainly before 10pm. W swell 10 to 12 ft. Wind waves around 2 ft.
Tuesday
SSE wind 16 to 19 kt. Rain. Mixed swell...W 9 ft and WNW 4 ft. Wind waves around 3 ft.
Tuesday Night
S wind 16 to 19 kt. Rain. Mixed swell...WSW 11 ft and WNW 4 ft. Wind waves around 3 ft.
Wednesday
SSW wind 12 to 15 kt. Rain. Mixed swell...SSW 12 ft and WNW 4 ft. Wind waves 2 to 3 ft.
Wednesday Night
SW wind 12 to 14 kt. Showers. SW swell 13 ft. Wind waves 2 to 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: 46.23°N 124.07°W
Last Update: 8:49 pm PST Jan 20, 2018
Forecast Valid: 4am PST Jan 21, 2018-6pm PST Jan 27, 2018
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