Heavy Rains and Catastrophic Flooding Possible in Hawaii

A kona low will continue to bring heavy rain to Hawaii bringing flooding and flash flooding, landslides, road closures, and low visibility with high rainfall rates expected. Lake effect snow is expected downwind from the Great Lakes. Blizzard conditions are expected in the southeast Alaska.
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Hazardous Weather Conditions

For More Weather Information:

Anchorage, AK Local Forecast Office

5NM E Barren Islands AK

Marine Point Forecast

[NOTICE]
  • Today

    Mostly Sunny

    WNW 50kt
    13-15ft

    High: 36 °F

    Storm Warning
    Storm Warning

  • Tonight

    Chance Snow

    WNW 45ktWinds Decreasing
    13ftWaves Subsiding

    Low: 27 °F

    Gale Warning
    Gale Warning

  • Wednesday

    Snow Likely

    Winds IncreasingWSW 35kt
    Waves Building9ft

    High: 36 °F

  • Wednesday
    Night

    Chance Snow

    W 35ktWinds Decreasing
    9ftWaves Subsiding

    Low: 32 °F

  • Thursday

    Chance Snow

    Winds IncreasingESE 30kt
    Waves Building8ft

    High: 39 °F

  • Thursday
    Night

    Cloudy

    Winds IncreasingW 25kt
    8ftWaves Subsiding

    Low: 27 °F

  • Friday

    Chance Snow

    Winds IncreasingWNW 40kt
    Waves Building11ft

    High: 31 °F

  • Friday
    Night

    Chance Snow

    WNW 45kt
    Waves Building14ft

    Low: 14 °F

  • Saturday

    Chance Snow

    WNW 45kt
    14ft

    High: 19 °F


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:11 am AKST Dec 7, 2021
Forecast Valid: 7am AKST Dec 7, 2021-6pm AKST Dec 13, 2021

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Detailed Forecast

...STORM WARNING THROUGH TONIGHT...

Synopsis: A 974 mb low 50 nm southwest of Seward moves to 190 nm southeast of Middleton Island at 986 mb by Wed morning. Cyclonic flow will persist over the Gulf through Thursday morning.

Today
WNW wind 45 to 50 kt, with gusts as high as 55 kt. Mostly sunny. Seas 13 to 15 ft.
Tonight
WNW wind 35 to 45 kt decreasing to 15 to 25 kt. Winds could gust as high as 50 kt. Scattered snow showers after 4am. Widespread freezing spray after 1am. Seas 13 ft subsiding to 4 ft.
Wednesday
WSW wind 5 to 15 kt increasing to 25 to 35 kt. Winds could gust as high as 45 kt. Snow likely, mainly before 10am. Widespread freezing spray before 7am, then Widespread freezing spray between 10am and 1pm. Seas 2 ft building to 9 ft.
Wednesday Night
W wind 25 to 35 kt becoming SW 5 to 10 kt. A chance of snow after 4am. Seas 9 ft subsiding to 1 ft.
Thursday
SW wind 5 to 10 kt becoming ESE 20 to 30 kt. A chance of snow before 10am. Seas 1 ft building to 8 ft.
Thursday Night
SSW wind 5 to 10 kt becoming W 15 to 25 kt. Cloudy. Seas 8 ft subsiding to 5 ft.
Friday
WNW wind 25 to 30 kt increasing to 35 to 40 kt in the afternoon. A chance of snow after 10am. Seas 7 ft building to 11 ft.
Friday Night
WNW wind 40 to 45 kt. A chance of snow. Seas 11 ft building to 14 ft.
Saturday
WNW wind around 45 kt. A chance of snow. Seas around 14 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: 58.94°N 152.12°W
Last Update: 4:11 am AKST Dec 7, 2021
Forecast Valid: 7am AKST Dec 7, 2021-6pm AKST Dec 13, 2021
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