Significant Snowfall for Washington Cascades and Northern Rocky Mountains

A cold front will linger for several days from the Pacific Northwest to portions of the northern Plains early this week. Cold temperatures and copious moisture will combine to produce several feet of snow into the mountain passes, with up to 4 feet of snow down to 4000 feet in the northern Rockies. Travel through mountain passes will be very difficult.
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Anchorage, AK Local Forecast Office

4NM ENE Passage Canal AK

Marine Point Forecast

[NOTICE]
  • Tonight

    Gradual Clearing

    NW 10kt
    < 1ft

    Low: 26 °F

  • Monday

    Sunny

    NW 10kt
    < 1ft

    High: 27 °F

  • Monday
    Night

    Chance Snow

    Light Wind
    < 1ft

    Low: 21 °F

  • Tuesday

    Rain/Snow

    NNE 10kt
    < 1ft

    High: 34 °F

  • Tuesday
    Night

    Snow Likely

    WNW 10kt
    < 1ft

    Low: 25 °F

  • Wednesday

    Chance Snow

    WNW 10kt
    < 1ft

    High: 36 °F

  • Wednesday
    Night

    Partly Cloudy

    Light Wind
    < 1ft

    Low: 21 °F

  • Thursday

    Chance Snow

    NE 10kt
    < 1ft

    High: 26 °F

  • Thursday
    Night

    Rain/Snow Likely

    E 10kt
    < 1ft

    Low: 26 °F


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:34 pm AKST Dec 17, 2017
Forecast Valid: 7pm AKST Dec 17, 2017-6pm AKST Dec 24, 2017

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Detailed Forecast


Synopsis: A 998 mb low 120 nm South of Middleton Island exits the Gulf 210 nm Southwest of Klawock at 1012 mb for Mon afternoon. High pressure slides across the Gulf through Tue afternoon. A front crosses the Western Gulf by Tue afternoon.

Tonight
NW wind 5 to 10 kt. Cloudy during the early evening, then gradual clearing. Seas 1 ft or less.
Monday
NW wind 5 to 10 kt. Sunny. Seas 1 ft or less.
Monday Night
Variable winds 5 kt or less. A chance of snow, mainly after 3am. Seas 1 ft or less.
Tuesday
NNE wind 5 to 10 kt. Snow before 3pm, then rain and snow. Seas 1 ft or less.
Tuesday Night
E wind 5 to 10 kt becoming WNW after midnight. Snow likely, mainly before 9pm. Seas 1 ft or less.
Wednesday
WNW wind 5 to 10 kt becoming NNE in the afternoon. A chance of snow showers between 9am and 3pm. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Thursday
NE wind 5 to 10 kt. A chance of snow. Seas 1 ft or less.
Thursday Night
E wind around 10 kt. Rain and snow likely. Seas 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: 60.85°N 148.4°W
Last Update: 3:34 pm AKST Dec 17, 2017
Forecast Valid: 7pm AKST Dec 17, 2017-6pm AKST Dec 24, 2017
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