National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain and Mountain Snow This Week Northwest To Rockies; Heavy Rain May Bring Flooding to Portions of the East Late Week

At least two storm systems will batter the Pacific Northwest into the northern Rockies this week with heavy rain and mountain snow. The first system may bring as much as two feet of snow to the northern Cascades through Wednesday. This first system will then move over the central US by late week and bring heavy to excessive rain to portions of the south and east Thursday into this weekend.
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Hazardous Weather Conditions

For More Weather Information:

Honolulu, HI Local Forecast Office

3NM ESE Waimanalo Beach HI

Marine Point Forecast

[NOTICE]

  • This
    Afternoon

    Scattered Showers

    ENE 22kt
    < 1ft

    High: 78 °F

    Small Craft Advisory
    Small Craft Advisory

  • Tonight

    Scattered Showers

    ENE 22kt
    < 1ft

    Low: 70 °F

    Small Craft Advisory
    Small Craft Advisory

  • Wednesday

    Scattered Showers

    ENE 22kt
    < 1ft

    High: 78 °F

    Small Craft Advisory
    Small Craft Advisory

  • Wednesday
    Night

    Scattered Showers

    ENE 24kt
    < 1ft

    Low: 72 °F

    Small Craft Advisory
    Small Craft Advisory

  • Thursday

    Isolated Showers

    ENE 25kt
    < 1ft

    High: 78 °F

    Small Craft Advisory
    Small Craft Advisory

  • Thursday
    Night

    Isolated Showers

    ENE 25kt
    < 1ft

    Low: 73 °F

    Small Craft Advisory
    Small Craft Advisory

  • Friday

    Isolated Showers

    ENE 23kt
    < 1ft

    High: 78 °F

    Small Craft Advisory
    Small Craft Advisory

  • Friday
    Night

    Isolated Showers

    ENE 23kt
    < 1ft

    Low: 73 °F

  • Saturday

    Mostly Sunny

    E 19kt
    < 1ft

    High: 79 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:00 am HST Dec 11, 2018
Forecast Valid: 2pm HST Dec 11, 2018-6pm HST Dec 17, 2018

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Detailed Forecast

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

Synopsis: PHZ100-120815- 932 AM HST Tue Dec 11 2018 .Synopsis for Hawaiian coastal waters... High pressure will remain north of the area through week resulting in breezy to strong trade winds. $$

This Afternoon
ENE wind around 22 kt, with gusts as high as 28 kt. Scattered showers. NNE swell 3 ft at 8 seconds. Waves 1 ft or less.
Tonight
ENE wind 20 to 22 kt, with gusts as high as 28 kt. Scattered showers. NNE swell 3 ft at 7 seconds building to at 13 seconds . Waves 1 ft or less.
Wednesday
ENE wind 20 to 22 kt, with gusts as high as 28 kt. Scattered showers, mainly before noon. NNE swell 2 to 3 ft at 18 seconds. Waves 1 ft or less.
Wednesday Night
ENE wind 22 to 24 kt, with gusts as high as 31 kt. Scattered showers. NNE swell 2 ft. Waves 1 ft or less.
Thursday
ENE wind around 25 kt, with gusts as high as 32 kt. Isolated showers. NNE swell 2 ft. Waves 1 ft or less.
Thursday Night
ENE wind 23 to 25 kt, with gusts as high as 32 kt. Isolated showers before midnight. NNE swell 2 ft. Waves 1 ft or less.
Friday
ENE wind around 23 kt, with gusts as high as 30 kt. Isolated showers after noon. NNE swell 2 ft. Waves 1 ft or less.
Friday Night
ENE wind 19 to 23 kt, with gusts as high as 30 kt. Isolated showers. NNE swell 2 ft. Waves 1 ft or less.
Saturday
E wind around 19 kt. Mostly sunny. Mixed swell...N 2 ft and N 1 ft. 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: 21.32°N 157.65°W
Last Update: 6:00 am HST Dec 11, 2018
Forecast Valid: 2pm HST Dec 11, 2018-6pm HST Dec 17, 2018
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