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

21NM E Portsmouth RI

Marine Point Forecast

[NOTICE]
  • Today

    Partly Sunny

    WNW 12kt
    2ft

    High: 43 °F

  • Tonight

    Mostly Cloudy

    WNW 8kt
    1ft

    Low: 35 °F

  • Wednesday

    Rain

    ENE 9kt
    1ft

    High: 41 °F

  • Wednesday
    Night

    Rain/Snow

    NNW 16kt
    1-2ft

    Low: 32 °F

  • Thursday

    Chance Snow

    NW 15ktWinds Decreasing
    1-2ft

    High: 39 °F

  • Thursday
    Night

    Mostly Cloudy

    NNW 7kt
    1ft

    Low: 34 °F

  • Friday

    Mostly Cloudy

    S 12kt
    1ft

    High: 51 °F

  • Friday
    Night

    Rain Likely

    S 11kt
    1ft

    Low: 46 °F

  • Saturday

    Rain Likely

    Winds IncreasingSSW 19kt
    Waves Building3ft

    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


Synopsis: ANZ200-080400- 1027 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 8 to 12 kt, with gusts as high as 20 kt. Partly sunny. Seas around 2 ft.
Tonight
WNW wind 5 to 8 kt becoming NE after midnight. Mostly cloudy. Seas around 1 ft.
Wednesday
ENE wind 7 to 9 kt. Rain, mainly after 11am. Patchy fog after 3pm. Seas around 1 ft.
Wednesday Night
N wind 11 to 16 kt becoming NW after midnight. Winds could gust as high as 22 kt. Rain, possibly mixed with snow before 9pm, then rain likely between 9pm and 11pm, then snow likely after 11pm. Widespread dense fog, mainly between 7pm and 9pm. Seas 1 to 2 ft.
Thursday
NW wind 12 to 15 kt decreasing to 9 to 12 kt in the afternoon. Winds could gust as high as 22 kt. A chance of snow, mainly before 9am. Seas 1 to 2 ft.
Thursday Night
NNW wind 5 to 7 kt becoming SSE after midnight. Mostly cloudy. Seas around 1 ft.
Friday
SE wind 8 to 12 kt becoming S in the morning. Mostly cloudy. Seas around 1 ft.
Friday Night
S wind 9 to 11 kt. Rain likely. Seas around 1 ft.
Saturday
SSW wind 12 to 15 kt increasing to 16 to 19 kt in the afternoon. Rain likely. Seas 1 ft building to 3 ft.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.

*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: 41.55°N 70.79°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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