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:

Norton, MA Local Forecast Office

7NM WNW Nantucket MA

Marine Point Forecast

[NOTICE]
  • Today

    Partly Sunny

    WNW 15ktWinds Decreasing
    3ftWaves Subsiding

    High: 44 °F

  • Tonight

    Mostly Cloudy

    WNW 9kt
    1-2ft

    Low: 38 °F

  • Wednesday

    Rain

    E 11kt
    1ft

    High: 43 °F

  • Wednesday
    Night

    Rain/Snow

    Winds IncreasingNW 21kt
    2-3ft

    Low: 35 °F

  • Thursday

    Rain/Snow Likely

    NW 19ktWinds Decreasing
    3ft

    High: 40 °F

  • Thursday
    Night

    Mostly Cloudy

    NNW 9kt
    2ft

    Low: 36 °F

  • Friday

    Mostly Cloudy

    Winds IncreasingSSE 15kt
    2ft

    High: 52 °F

  • Friday
    Night

    Rain Likely

    S 12kt
    2ft

    Low: 49 °F

  • Saturday

    Rain Likely

    Winds IncreasingSSW 22kt
    Waves Building5ft

    High: 58 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:30 am EST Dec 7, 2021
Forecast Valid: 11am EST Dec 7, 2021-6pm EST Dec 13, 2021

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING...

Synopsis: ANZ200-080100- 727 AM EST Tue Dec 7 2021 .Synopsis for Massachusetts and Rhode Island coastal waters... Gale force winds diminish today as high pressure builds over the coastal waters. Gusty winds return tomorrow night as an area of low- pressure moves southeast of southern New England. For additional information on possible hazardous weather for the week ahead, please visit www.weather.gov/boston/ehwo $$

Today
WNW wind 12 to 15 kt decreasing to 9 to 12 kt in the afternoon. Partly sunny. Seas 3 ft subsiding to 1 ft.
Tonight
WNW wind 6 to 9 kt becoming NE after midnight. Mostly cloudy. Seas 1 to 2 ft.
Wednesday
E wind 8 to 11 kt. Rain, mainly after 11am. Seas around 1 ft.
Wednesday Night
NNE wind 12 to 15 kt becoming NW 18 to 21 kt after midnight. Rain before 3am, then rain, possibly mixed with snow. Patchy fog before 7pm, then Patchy fog between 10pm and midnight. Seas 2 to 3 ft.
Thursday
NW wind 16 to 19 kt decreasing to 12 to 15 kt in the afternoon. Winds could gust as high as 26 kt. Rain and snow likely, mainly before 10am. Seas around 3 ft.
Thursday Night
NNW wind 5 to 9 kt becoming SSE after midnight. Mostly cloudy. Seas around 2 ft.
Friday
SSE wind 9 to 12 kt increasing to 12 to 15 kt in the afternoon. Mostly cloudy. Seas around 2 ft.
Friday Night
S wind around 12 kt. Rain likely. Seas around 2 ft.
Saturday
SSW wind 16 to 19 kt increasing to 19 to 22 kt in the afternoon. Rain likely. Seas 2 ft building to 5 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: 41.34°N 70.25°W
Last Update: 9:30 am EST Dec 7, 2021
Forecast Valid: 11am EST Dec 7, 2021-6pm EST Dec 13, 2021
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