Active Weather Pattern in the West and into the Central U.S.

A series of weather systems will bring locally heavy rain, 1 to 3 feet of mountain snow, and strong winds up to 75 mph across the western states. Later this weekend and early next week, a strong low pressure system will spread wintry conditions and strong winds from the Plains into the Upper Midwest. Strengthening winds in the Southern Plains will increase fire weather threats. Warmer in the east.
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Honolulu, HI Local Forecast Office

8NM NE Waimanalo Beach HI

Marine Point Forecast

[NOTICE]
  • Today

    Chance Showers

    E 24kt
    10-12ft

    High: 76 °F

    Small Craft Advisory
    Small Craft Advisory

  • Tonight

    Slight Chc Showers

    E 20ktWinds Decreasing
    9-10ft

    Low: 75 °F

    Small Craft Advisory
    Small Craft Advisory

  • Saturday

    Slight Chc Showers

    ESE 9kt
    8-9ft

    High: 76 °F

  • Saturday
    Night

    Slight Chc Showers

    E 9kt
    8ft

    Low: 75 °F

  • Sunday

    Isolated Showers

    E 12kt
    8ft

    High: 76 °F

  • Sunday
    Night

    Isolated Showers

    E 13kt
    8ft

    Low: 75 °F

  • Monday

    Isolated Showers

    ENE 16kt
    8ft

    High: 75 °F

  • Monday
    Night

    Scattered Showers

    E 16kt
    8ft

    Low: 75 °F

  • Tuesday

    Scattered Showers

    E 12kt
    7-8ft

    High: 76 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:17 am HST Jan 19, 2018
Forecast Valid: 6am HST Jan 19, 2018-6pm HST Jan 25, 2018

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY SATURDAY

Synopsis: PHZ100-200215- 335 AM HST Fri Jan 19 2018 .Synopsis for Hawaiian coastal waters... Strong high pressure north-northeast of the islands will continue to move east through today, resulting in softening trade winds. A trough will form and dissipate over the offshore waters just west of Kauai during the weekend. An approaching front will cause winds to become southeast over the western waters by the middle of next week. $$

Today
E wind 21 to 24 kt, with gusts as high as 31 kt. A chance of showers before noon. . Waves 10 to 12 ft.
Tonight
E wind 15 to 20 kt decreasing to 9 to 14 kt after midnight. Winds could gust as high as 26 kt. A slight chance of showers. . Waves 9 to 10 ft.
Saturday
ESE wind 6 to 9 kt. A slight chance of showers. . Waves 8 to 9 ft.
Saturday Night
E wind 7 to 9 kt. A slight chance of showers. . Waves around 8 ft.
Sunday
E wind 9 to 12 kt. Isolated showers before noon. . Waves around 8 ft.
Sunday Night
E wind 11 to 13 kt. Isolated showers. . Waves around 8 ft.
Monday
ENE wind 13 to 16 kt. Isolated showers. . Waves around 8 ft.
Monday Night
E wind 12 to 16 kt. Scattered showers. . Waves around 8 ft.
Tuesday
E wind around 12 kt. Scattered showers. . Waves 7 to 8 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: 4:17 am HST Jan 19, 2018
Forecast Valid: 6am HST Jan 19, 2018-6pm HST Jan 25, 2018
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