Enhanced Risk for Severe Thunderstorms Across the Upper Midwest; Flash Flooding Possible from the Upper Midwest to Southern Plains and Desert Southwest Through Friday

Portions of the Upper Midwest will see an increased threat for severe thunderstorms through this evening, with a few strong tornadoes possible. The same region remains on alert for additional flash flood concerns. Heavy rainfall may lead to flash flooding across the Desert Southwest today, and Southern Plains by Friday. Finally, Major-to-record river flooding continues across the Carolinas.
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Seattle, WA Local Forecast Office

11NM S Seattle WA

Marine Point Forecast

[NOTICE]
  • Today

    Mostly Cloudy

    Light Wind
    < 1ft
  • Tonight

    Slight Chc Rain

    Winds IncreasingS 8kt
    < 1ft
  • Friday

    Mostly Cloudy

    SSW 7ktWinds Decreasing
    < 1ft
  • Friday
    Night

    Chance Rain

    Winds IncreasingS 7kt
    < 1ft
  • Saturday

    Chance Showers

    SW 11kt
    1ft
  • Saturday
    Night

    Chance Showers

    S 9kt
    < 1ft
  • Sunday

    Partly Sunny

    S 9ktWinds Decreasing
    < 1ft
  • Sunday
    Night

    Partly Cloudy

    NE 8kt
    < 1ft
  • Monday

    Mostly Sunny

    N 8kt
    < 1ft

Associated Zone Forecast which includes this point

Last Update: 8:03 am PDT Sep 20, 2018
Forecast Valid: 10am PDT Sep 20, 2018-6pm PDT Sep 26, 2018

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Detailed Forecast


Synopsis: PZZ100-210100- 848 AM PDT Thu Sep 20 2018 .Synopsis for the northern and central Washington coastal and inland waters...A warm front will brush the region today with Small Craft Advisory winds over the Coastal Waters. Southerly flow will increase on Friday as a cold front approaches then moves ashore. Onshore flow will develop Friday night and Saturday as this system moves inland. The flow will turn offshore early next week as a thermal trough forms along the coast. $$

Today
Variable winds 5 kt or less. Mostly cloudy. Wind waves 1 ft or less.
Tonight
Variable winds less than 5 kt becoming S 5 to 8 kt after midnight. A slight chance of rain. Wind waves 1 ft or less.
Friday
SSW wind 5 to 7 kt becoming variable and less than 5 kt in the morning. Mostly cloudy. Wind waves 1 ft or less.
Friday Night
Variable winds less than 5 kt becoming S 5 to 7 kt after midnight. A chance of rain. Wind waves 1 ft or less.
Saturday
SW wind around 11 kt. A chance of showers. Wind waves around 1 ft.
Saturday Night
S wind 5 to 9 kt. A chance of showers, mainly before 11pm. Wind waves 1 ft or less.
Sunday
S wind 5 to 9 kt becoming variable and less than 5 kt in the morning. Partly sunny. Wind waves 1 ft or less.
Sunday Night
NE wind 5 to 8 kt. Partly cloudy. Wind waves 1 ft or less.
Monday
NE wind 5 to 8 kt becoming N in the morning. Mostly sunny. Wind waves 1 ft 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: 47.45°N 122.4°W
Last Update: 8:03 am PDT Sep 20, 2018
Forecast Valid: 10am PDT Sep 20, 2018-6pm PDT Sep 26, 2018
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