Powerful Pacific Storm to Bring Widespread Hazardous Weather to West Coast; Two Storm Systems to Impact Central and Eastern U.S.

A powerful Pacific storm will hammer the West Coast into Friday with strong winds, heavy rain and heavy mountain snow. Heavy rain will bring a threat of flash flooding along recent burn scars while blizzard conditions are expected in the Sierras. Meanwhile, two winter storms will bring areas of heavy snow and freezing rain followed by bitter cold into this weekend from the Plains to the Northeast.
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Seattle, WA Local Forecast Office

22NM SSW Seattle WA

Marine Point Forecast

[NOTICE]
  • This
    Afternoon

    Chance Rain

    Winds IncreasingNE 10km/h
    < 1m
  • Tonight

    Rain

    Winds IncreasingE 29km/h
    < 1m

    Small Craft Advisory
    Small Craft Advisory

  • Thursday

    Rain

    Winds IncreasingS 32km/h
    < 1m

    Small Craft Advisory
    Small Craft Advisory

  • Thursday
    Night

    Rain

    S 48km/h
    1m
  • Friday

    Rain Likely

    SSW 35km/h
    1m
  • Friday
    Night

    Rain

    Winds IncreasingS 37km/h
    1m
  • Saturday

    Rain Likely

    SW 24km/h
    < 1m
  • Saturday
    Night

    Rain Likely

    SW 10km/h
    < 1m
  • Sunday

    Rain Likely

    Winds IncreasingWSW 26km/h
    < 1m

Associated Zone Forecast which includes this point

Last Update: 8:54 am PST Jan 16, 2019
Forecast Valid: 1pm PST Jan 16, 2019-6pm PST Jan 22, 2019

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM PST THIS EVENING

Synopsis: PZZ100-170145- 900 AM PST Wed Jan 16 2019 .Synopsis for the northern and central Washington coastal and inland waters...Southerly flow will increase over the waters today and tonight as a low center moves northeast off the coast. Gale force winds are forecast on the coast and at the west entrance, with small craft advisory level winds elsewhere. Another system will maintain strong south winds Friday and Saturday. $$

This Afternoon
Variable winds less than 5 km/h becoming NE 5 to 10 km/h. A chance of rain, mainly after 5pm. Wind waves 1 m or less.
Tonight
E wind 18 to 23 km/h increasing to 24 to 29 km/h after midnight. Winds could gust as high as 39 km/h. Rain, mainly after 11pm. Wind waves 1 m or less.
Thursday
ESE wind 13 to 18 km/h becoming S 27 to 32 km/h in the morning. Winds could gust as high as 40 km/h. Rain. Wind waves 1 m or less.
Thursday Night
S wind 39 to 48 km/h, with gusts as high as 65 km/h. Rain. Wind waves around 1 m.
Friday
SSW wind 26 to 35 km/h, with gusts as high as 47 km/h. Rain likely, mainly before 11am. Wind waves around 1 m.
Friday Night
S wind 26 to 31 km/h increasing to 32 to 37 km/h in the evening. Winds could gust as high as 48 km/h. Rain. Wind waves around 1 m.
Saturday
SW wind around 24 km/h, with gusts as high as 32 km/h. Rain likely. Wind waves 1 m or less.
Saturday Night
SW wind 8 to 10 km/h becoming E in the evening. Rain likely. Wind waves 1 m or less.
Sunday
WSW wind 14 to 19 km/h increasing to 21 to 26 km/h in the morning. Winds could gust as high as 34 km/h. Rain likely. Wind waves 1 m or less.

*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: 47.28°N 122.54°W
Last Update: 8:54 am PST Jan 16, 2019
Forecast Valid: 1pm PST Jan 16, 2019-6pm PST Jan 22, 2019
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