Heavy precipitation for parts of the Pacific Northwest

Moisture will continue to stream into the Pacific Northwest for the next several days. Heavy rain will continue along the coast, while heavy snow will impact the highest elevations of the Cascades. In the northern Plains and Upper Great Lakes, more arctic air will bring periods of snow, blustery winds and cold wind chills. Light snow is also possible in New England and the Ohio Valley.
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For More Weather Information:

Honolulu, HI Local Forecast Office

8NM ESE Waimanalo Beach HI

Marine Point Forecast

[NOTICE]
  • Late
    Afternoon

    Isolated Showers

    N 14kt
    10ft

    High: 75 °F

    Small Craft Advisory
    Small Craft Advisory

  • Tonight

    Scattered Showers

    NNE 15kt
    10ft

    Low: 75 °F

    Small Craft Advisory
    Small Craft Advisory

  • Tuesday

    Isolated Showers

    NNE 15kt
    8-10ft

    High: 75 °F

    Small Craft Advisory
    Small Craft Advisory

  • Tuesday
    Night

    Scattered Showers

    NE 15kt
    8ft

    Low: 75 °F

  • Wednesday

    Scattered Showers

    ENE 19kt
    8-10ft

    High: 75 °F

  • Wednesday
    Night

    Scattered Showers

    ENE 20kt
    Waves Building13ft

    Low: 75 °F

  • Thanksgiving
    Day

    Scattered Showers

    ENE 25kt
    13-14ft

    High: 75 °F

  • Thursday
    Night

    Isolated Showers

    ENE 25kt
    13-14ft

    Low: 74 °F

  • Friday

    Isolated Showers

    ENE 25kt
    12-13ft

    High: 74 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:01 pm HST Nov 20, 2017
Forecast Valid: 5pm HST Nov 20, 2017-6pm HST Nov 27, 2017

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

Synopsis: PHZ100-211345- 326 PM HST Mon Nov 20 2017 .Synopsis for Hawaiian coastal waters... A surface low northeast of the state will keep northwest to north winds over the coastal waters through tonight before weakening and moving away from the area. Strong high pressure will build northwest of the area, resulting in strong and gusty northeast trade winds during the second half of the week. $$

Late Afternoon
N wind around 14 kt. Isolated showers. Mixed swell...N 9 ft at 11 seconds and S 1 ft at 12 seconds. Waves around 10 ft.
Tonight
NNE wind 13 to 15 kt. Scattered showers. Mixed swell...N 9 ft at 11 seconds and S 1 ft at 12 seconds building to at 17 seconds . Waves around 10 ft.
Tuesday
NNE wind around 15 kt. Isolated showers before noon. Mixed swell...N 8 to 9 ft at 11 seconds and S 1 ft at 16 seconds. Waves 8 to 10 ft.
Tuesday Night
NE wind around 15 kt. Scattered showers, mainly after midnight. Mixed swell...NNE 7 to 8 ft and S 1 ft. Waves around 8 ft.
Wednesday
ENE wind 14 to 19 kt. Scattered showers, mainly before noon. Mixed swell...N 8 to 10 ft and S 1 ft. Waves 8 to 10 ft.
Wednesday Night
ENE wind around 20 kt, with gusts as high as 26 kt. Scattered showers. Mixed swell...N 11 to 12 ft and S 1 ft. Waves 10 ft building to 13 ft.
Thanksgiving Day
ENE wind 20 to 25 kt, with gusts as high as 32 kt. Scattered showers before noon. Mixed swell...N 12 ft and S 1 ft. Waves 13 to 14 ft.
Thursday Night
ENE wind around 25 kt, with gusts as high as 32 kt. Isolated showers. Mixed swell...N 10 to 11 ft and S 1 ft. Waves 13 to 14 ft.
Friday
ENE wind around 25 kt, with gusts as high as 32 kt. Isolated showers. Mixed swell...N 9 ft and S 1 ft. Waves 12 to 13 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: 21.27°N 157.55°W
Last Update: 4:01 pm HST Nov 20, 2017
Forecast Valid: 5pm HST Nov 20, 2017-6pm HST Nov 27, 2017
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