Heavy Lake Effect Snow and Bitterly Cold Temperatures

A bitterly cold airmass will settle over much of the central and eastern U.S over the next several days. Well below normal temperatures and cold wind chills will be common. In addition, heavy lake effect snow will be possible especially downwind of Lakes Erie and Ontario, where up to one foot of additional snow is forecast by Sunday morning.
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Honolulu, HI Local Forecast Office

8NM NE Waimanalo Beach HI

Marine Point Forecast

[NOTICE]
  • This
    Afternoon

    Sunny

    ENE 13kt
    12ft

    High: 76 °F

    Small Craft Advisory
    Small Craft Advisory

  • Tonight

    Isolated Showers

    E 15kt
    10-12ft

    Low: 74 °F

    Small Craft Advisory
    Small Craft Advisory

  • Friday

    Isolated Showers

    E 16kt
    8-10ft

    High: 76 °F

  • Friday
    Night

    Isolated Showers

    ESE 11kt
    7-8ft

    Low: 74 °F

  • Saturday

    Sunny

    SE 11kt
    5-7ft

    High: 76 °F

  • Saturday
    Night

    Mostly Clear

    E 10kt
    5-6ft

    Low: 74 °F

  • Sunday

    Sunny

    E 12kt
    6-7ft

    High: 76 °F

  • Sunday
    Night

    Isolated Showers

    ENE 17kt
    7-8ft

    Low: 74 °F

  • Washington's
    Birthday

    Scattered Showers

    ENE 20kt
    8-9ft

    High: 76 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:04 am HST Feb 11, 2016
Forecast Valid: 2pm HST Feb 11, 2016-6pm HST Feb 17, 2016

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

Synopsis: A SURFACE HIGH ABOUT 300 NM NORTH OF KAUAI WILL MOVE NORTHEAST 35 KT THROUGH TONIGHT AND THEN BECOME NEARLY STATIONARY FAR NORTHEAST OF THE ISLANDS. AN ASSOCIATED SURFACE RIDGE ABOUT 300 NM NORTH OF KAUAI WILL REMAIN NEARLY STATIONARY UNTIL SATURDAY... AND THEN THE RIDGE WILL SHIFT SOUTHEAST DUE TO AN APPROACHING FRONT. A STRONGER HIGH WILL BUILD NORTHWEST OF THE AREA SUNDAY AND MONDAY AS THE FRONT TRANSITIONS TO A SHEAR LINE. A LARGE NORTHWEST SWELL WILL CONTINUE TODAY...THEN GRADUALLY DECLINE TONIGHT AND FRIDAY.

This Afternoon
ENE wind around 13 kt. Sunny. NNW swell 12 ft at 16 seconds. Waves around 12 ft.
Tonight
E wind around 15 kt. Isolated showers after midnight. NNW swell 10 to 11 ft at 15 seconds. Waves 10 to 12 ft.
Friday
E wind around 16 kt. Isolated showers before noon. NNW swell 7 to 9 ft at 14 seconds. Waves 8 to 10 ft.
Friday Night
ESE wind around 11 kt. Isolated showers after midnight. NNW swell 5 to 6 ft. Waves 7 to 8 ft.
Saturday
SE wind 8 to 11 kt. Sunny. NNW swell 4 to 5 ft. Waves 5 to 7 ft.
Saturday Night
E wind around 10 kt. Mostly clear. NW swell 3 to 4 ft. Waves 5 to 6 ft.
Sunday
E wind 10 to 12 kt. Sunny. NW swell 4 ft. Waves 6 to 7 ft.
Sunday Night
ENE wind 12 to 17 kt. Isolated showers. NW swell 4 ft. Waves 7 to 8 ft.
Washington's Birthday
ENE wind 17 to 20 kt, with gusts as high as 26 kt. Scattered showers. NW swell 4 ft. Waves 8 to 9 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: 21.4°N 157.58°W
Last Update: 9:04 am HST Feb 11, 2016
Forecast Valid: 2pm HST Feb 11, 2016-6pm HST Feb 17, 2016
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