Powerful Storm to Impact Eastern Third of U.S. this weekend.

A developing storm system will bring a myriad of significant impacts this weekend. Heavy snow up to 18 inches from the Ohio Valley to the Northeast, and ice up to a quarter of an inch is forecast in places. Heavy rain may cause flash flooding from the Mid-South to the Mid-Atlantic. Severe thunderstorms with damaging winds and isolated tornadoes will be possible in the Deep South.
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For More Weather Information:

Seattle, WA Local Forecast Office

2NM WSW Seattle WA

Marine Point Forecast

[NOTICE]
  • Overnight

    Rain

    Winds IncreasingS 50km/h
    1m

    Small Craft Advisory
    Small Craft Advisory

  • Saturday

    Chance Showers

    SSW 42km/h
    1m

    Small Craft Advisory
    Small Craft Advisory

  • Saturday
    Night

    Slight Chc Showers

    SSW 29km/hWinds Decreasing
    < 1m
  • Sunday

    Chance Showers

    N 26km/h
    < 1m
  • Sunday
    Night

    Chance Showers

    N 35km/h
    1m
  • M.L.King
    Day

    Slight Chc Showers

    N 18km/hWinds Decreasing
    < 1m
  • Monday
    Night

    Chance Rain

    S 16km/h
    < 1m
  • Tuesday

    Rain

    Winds IncreasingS 32km/h
    < 1m
  • Tuesday
    Night

    Rain

    Winds IncreasingSSW 39km/h
    1m

Associated Zone Forecast which includes this point

Last Update: 8:19 pm PST Jan 18, 2019
Forecast Valid: 12am PST Jan 19, 2019-6pm PST Jan 25, 2019

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

Synopsis: PZZ100-191315- 812 PM PST Fri Jan 18 2019 .Synopsis for the northern and central Washington coastal and inland waters...A 975 mb low west of the Washington offshore waters will slowly fill as it moves northward toward Haida Gwaii. Its associated frontal system will move across the waters tonight. Strong pressure gradients produced by this front will give gales to most of the Washington waters with small craft advisory conditions to Puget Sound and Hood Canal and the western entrance to the Strait. Strong onshore flow behind the front on Saturday will weaken Saturday night. Weak high pressure will move across the waters Sunday and Monday. A weaker frontal system will affect the waters on Tuesday. $$

Overnight
S wind 26 to 36 km/h increasing to 40 to 50 km/h. Winds could gust as high as 65 km/h. Rain. Wind waves around 1 m.
Saturday
SSW wind 32 to 42 km/h, with gusts as high as 55 km/h. A chance of showers before 4pm. Wind waves around 1 m.
Saturday Night
SSW wind 24 to 29 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 39 km/h. A slight chance of showers after 10pm. Wind waves 1 m or less.
Sunday
N wind 16 to 26 km/h, with gusts as high as 34 km/h. A chance of showers. Wind waves 1 m or less.
Sunday Night
N wind 27 to 35 km/h, with gusts as high as 47 km/h. A chance of showers, mainly before 10pm. Wind waves around 1 m.
M.L.King Day
N wind 13 to 18 km/h becoming variable and less than 5 km/h in the afternoon. A slight chance of showers. Wind waves 1 m or less.
Monday Night
S wind 11 to 16 km/h. A chance of rain. Wind waves 1 m or less.
Tuesday
S wind 18 to 23 km/h increasing to 27 to 32 km/h in the morning. Winds could gust as high as 40 km/h. Rain. Wind waves 1 m or less.
Tuesday Night
SSW wind 27 to 32 km/h increasing to 34 to 39 km/h in the evening. Winds could gust as high as 50 km/h. Rain. Wind waves around 1 m.

*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: 47.62°N 122.42°W
Last Update: 8:19 pm PST Jan 18, 2019
Forecast Valid: 12am PST Jan 19, 2019-6pm PST Jan 25, 2019
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