Atmospheric River in the Pacific Northwest and Northwest California Early This Week

An atmospheric river event will bring heavy rains and rising snow levels to the Pacific Northwest and northwest California early this week. Snow levels will rise above 8,000 feet, and 4 to 7 inches of rain is forecast for the southwest facing slopes of the mountains. Minor river and localized flooding will be possible. In the east, winds decrease by Monday, and the week will be relatively dry.
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For More Weather Information:

Honolulu, HI Local Forecast Office

5NM ENE Hilo HI

Marine Point Forecast

[NOTICE]
  • Tonight

    Isolated Showers

    NW 15kt
    8-9ft

    Low: 66 °F

    Small Craft Advisory
    Small Craft Advisory

  • Monday

    Isolated Showers

    NNW 13kt
    7-8ft

    High: 79 °F

    Small Craft Advisory
    Small Craft Advisory

  • Monday
    Night

    Isolated Showers

    NW 9kt
    7ft

    Low: 68 °F

  • Tuesday

    Isolated Showers

    N 10kt
    7ft

    High: 80 °F

  • Tuesday
    Night

    Scattered Showers

    N 8kt
    7ft

    Low: 67 °F

  • Wednesday

    Scattered Showers

    NNE 10kt
    6-7ft

    High: 80 °F

  • Wednesday
    Night

    Showers Likely

    N 11kt
    Waves Building11ft

    Low: 68 °F

  • Thanksgiving
    Day

    Showers Likely

    N 15kt
    11-12ft

    High: 80 °F

  • Thursday
    Night

    Showers Likely

    N 16kt
    11-12ft

    Low: 69 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:01 pm HST Nov 19, 2017
Forecast Valid: 7pm HST Nov 19, 2017-6pm HST Nov 26, 2017

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Detailed Forecast

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

Synopsis: PHZ100-201430- 330 PM HST Sun Nov 19 2017 .Synopsis for Hawaiian coastal waters... A surface low far northeast of the state will keep moderate north winds over the coastal waters through Monday, before lifting away from the area. High pressure will build northwest of the area, strengthening northeast trade winds by the second half of the week. $$

Tonight
NW wind 6 to 15 kt. Isolated showers. N swell 8 ft at 13 seconds. Waves 8 to 9 ft.
Monday
NNW wind 6 to 13 kt. Isolated showers. N swell 7 to 8 ft at 12 seconds becoming WNW. Waves 7 to 8 ft.
Monday Night
NW wind 5 to 9 kt. Isolated showers. WNW swell 7 ft at 12 seconds becoming SE. Waves around 7 ft.
Tuesday
N wind 5 to 10 kt. Isolated showers. N swell 7 ft. Waves around 7 ft.
Tuesday Night
N wind 6 to 8 kt. Scattered showers, mainly after midnight. N swell 7 ft. Waves around 7 ft.
Wednesday
NNE wind 8 to 10 kt. Scattered showers. N swell 6 to 7 ft. Waves 6 to 7 ft.
Wednesday Night
N wind 8 to 11 kt. Showers likely, mainly after midnight. SE swell 8 ft becoming ENE. Waves 7 ft building to 11 ft.
Thanksgiving Day
N wind 11 to 15 kt. Showers likely. N swell 11 ft. Waves 11 to 12 ft.
Thursday Night
N wind around 16 kt. Showers likely. N swell 10 to 11 ft. Waves 11 to 12 ft.

*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: 19.75°N 155.02°W
Last Update: 6:01 pm HST Nov 19, 2017
Forecast Valid: 7pm HST Nov 19, 2017-6pm HST Nov 26, 2017
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