Significant Winter Storm to Affect the Pacific Coast through the Upper Midwest

A significant storm will bring high winds and heavy precipitation, including mountain snow, to portions of the western U.S. this weekend. Extremely dangerous travel is expected through passes. Confidence is increasing that this storm will then impact the central U.S. with heavy snow and strong winds to the north and severe thunderstorms with possible tornadoes and heavy rainfall to the south.
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Philadelphia, PA Local Forecast Office

20NM NNW Lewes DE

Marine Point Forecast

[NOTICE]
  • Overnight

    Clear

    NNE 25km/h
    1m

    Low: 2 °C

  • Saturday

    Mostly Sunny

    NE 25km/hWinds Decreasing
    1m

    High: 6 °C

  • Saturday
    Night

    Cloudy

    NE 25km/h
    1m

    Low: 4 °C

  • Sunday

    Chance Rain

    ENE 25km/hWinds Decreasing
    < 1m

    High: 8 °C

  • Sunday
    Night

    Mostly Cloudy

    Winds IncreasingNW 25km/h
    < 1m

    Low: 4 °C

  • Monday

    Mostly Cloudy

    N 25km/h
    1m

    High: 6 °C

  • Monday
    Night

    Partly Cloudy

    N 25km/h
    1m

    Low: 1 °C

  • Tuesday

    Sunny

    NNW 25km/h
    1m

    High: 5 °C

  • Tuesday
    Night

    Mostly Clear

    N 25km/h
    1m

    Low: 0 °C


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:08 am EST Dec 10, 2022
Forecast Valid: 2am EST Dec 10, 2022-6pm EST Dec 16, 2022

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Detailed Forecast


Synopsis: High pressure remains over the region tonight. Mainly dry Saturday, but a few showers down the shore are possible with an Atlantic low inching closer to the coastline. Another storm system will then cross the region late Sunday, bringing precipitation across most of the area to finish the weekend. High pressure will return later Monday into Wednesday with another storm system possibly reaching our area Thursday.

Overnight
NNE wind around 25 km/h, with gusts as high as 30 km/h. Clear. Seas around 1 m.
Saturday
NE wind 22 to 25 km/h decreasing to 20 to 23 km/h in the afternoon. Winds could gust as high as 30 km/h. Mostly sunny. Seas around 1 m.
Saturday Night
NE wind around 25 km/h, with gusts as high as 30 km/h. Cloudy. Seas around 1 m.
Sunday
ENE wind 20 to 25 km/h becoming ENE 10 to 15 km/h in the afternoon. A chance of rain after 10am. Seas 1 m or less.
Sunday Night
NW wind 15 to 20 km/h increasing to 20 to 25 km/h after midnight. Winds could gust as high as 30 km/h. Mostly cloudy. Seas 1 m or less.
Monday
N wind around 25 km/h, with gusts as high as 35 km/h. Mostly cloudy. Seas around 1 m.
Monday Night
N wind around 25 km/h, with gusts as high as 30 km/h. Partly cloudy. Seas around 1 m.
Tuesday
NNW wind around 25 km/h. Sunny. Seas around 1 m.
Tuesday Night
N wind 20 to 25 km/h. Mostly clear. Seas 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: 39.1°N 75.26°W
Last Update: 1:08 am EST Dec 10, 2022
Forecast Valid: 2am EST Dec 10, 2022-6pm EST Dec 16, 2022
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