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.

For More Weather Information:

Philadelphia, PA Local Forecast Office

12NM NE Atlantic City NJ

Marine Point Forecast

  • Today

    Partly Sunny

    WNW 15ktWinds Decreasing

    High: 42 °F

  • Tonight

    Mostly Cloudy

    Light Wind

    Low: 36 °F

  • Wednesday

    Rain/Snow Likely

    NW 10kt

    High: 41 °F

  • Wednesday

    Decreasing Clouds

    NW 15kt

    Low: 34 °F

  • Thursday

    Mostly Sunny

    NW 15ktWinds Decreasing

    High: 42 °F

  • Thursday

    Mostly Cloudy

    Winds IncreasingSSW 10kt

    Low: 39 °F

  • Friday

    Chance Showers

    SSW 10kt

    High: 53 °F

  • Friday

    Chance Showers

    Winds IncreasingSSW 15kt

    Low: 51 °F

  • Saturday


    SSW 25kt

    High: 60 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:09 am EST Dec 7, 2021
Forecast Valid: 10am EST Dec 7, 2021-6pm EST Dec 13, 2021

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Detailed Forecast

Synopsis: High pressure will migrate through the Northeast through tonight. A weak surface low will advance from the Gulf Coast region today to the Carolina coast by Wednesday morning, before rapidly moving offshore. High pressure will briefly build into the eastern U.S. Wednesday night and Thursday. A warm front will lift northward through the Mid-Atlantic Friday night and Saturday, followed by a cold front Saturday night. Very strong high pressure will build into much of the eastern U.S. by early next week.

WNW wind 10 to 15 kt decreasing to 5 to 10 kt in the afternoon. Partly sunny. Seas 3 to 4 ft.
Variable winds 5 kt or less. Mostly cloudy. Seas 2 to 3 ft.
NE wind 5 to 10 kt becoming NW in the afternoon. Rain and snow likely, mainly between 10am and 1pm. Seas around 2 ft.
Wednesday Night
NW wind around 15 kt, with gusts as high as 25 kt. Mostly cloudy, then gradually becoming mostly clear. Seas 2 to 3 ft.
NW wind 10 to 15 kt decreasing to 5 to 10 kt in the afternoon. Mostly sunny. Seas 2 to 3 ft.
Thursday Night
WSW wind 5 to 8 kt becoming SSW 7 to 10 kt after midnight. Mostly cloudy. Seas around 2 ft.
SSW wind around 10 kt. A chance of showers after 1pm. Seas 2 to 3 ft.
Friday Night
SSW wind 10 to 13 kt increasing to 12 to 15 kt after midnight. A chance of showers. Seas 3 to 4 ft.
SSW wind 20 to 25 kt. Cloudy. Seas 4 to 5 ft.


  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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Point Forecast: 39.47°N 74.21°W
Last Update: 7:09 am EST Dec 7, 2021
Forecast Valid: 10am EST Dec 7, 2021-6pm EST Dec 13, 2021
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