Active Weather for Alaska and Hawaii; Snow across the North

A strong storm approaching Alaska this weekend will bring heavy snow, blizzard conditions and bitterly cold temperatures. Meanwhile, a stalled front near Hawaii may bring flooding and even blizzard conditions for the Big Island Summits this weekend. Across the northern Plains and Great Lakes, accumulating snow some high winds are forecast.
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Hazardous Weather Conditions

For More Weather Information:

New York, NY Local Forecast Office

9NM SW Islip NY

Marine Point Forecast

[NOTICE]
  • Overnight

    Mostly Cloudy

    NW 7ktWinds Decreasing
    < 1ft
  • Saturday

    Mostly Cloudy

    Winds IncreasingWSW 8kt
    < 1ft
  • Saturday
    Night

    Partly Cloudy

    NW 11kt
    < 1ft
  • Sunday

    Mostly Sunny

    SE 8kt
    < 1ft
  • Sunday
    Night

    Showers Likely

    SSE 15kt
    < 1ft
  • Monday

    Chance Showers

    Winds IncreasingSSW 23kt
    < 1ft
  • Monday
    Night

    Mostly Cloudy

    WSW 24ktWinds Decreasing
    < 1ft
  • Tuesday

    Partly Sunny

    WNW 13ktWinds Decreasing
    < 1ft
  • Tuesday
    Night

    Chance Rain

    Light Wind
    < 1ft

Associated Zone Forecast which includes this point

Last Update: 10:09 pm EST Dec 3, 2021
Forecast Valid: 12am EST Dec 4, 2021-6pm EST Dec 10, 2021

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Detailed Forecast


Synopsis: ANZ300-041615- 1023 PM EST Fri Dec 3 2021 .Synopsis for the Long Island Waters and New York Harbor... High pressure will shift south of the waters overnight. Two areas of weak low pressure pass to the north and south of the waters on Saturday, followed by high pressure building in Saturday night through Sunday. A frontal system impacts the waters Sunday night through Monday night. High pressure returns for Tuesday with another storm moving in for Wednesday. $$

Overnight
NW wind 5 to 7 kt becoming variable and less than 5 kt. Mostly cloudy. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming WSW 5 to 8 kt in the morning. Mostly cloudy. Seas 1 ft or less.
Saturday Night
W wind 9 to 11 kt becoming NNW after midnight. Partly cloudy. Seas 1 ft or less.
Sunday
NNW wind 6 to 8 kt becoming SE in the afternoon. Mostly sunny. Seas 1 ft or less.
Sunday Night
ESE wind 13 to 15 kt becoming S after midnight. Winds could gust as high as 21 kt. Showers likely, mainly after 1am. Seas 1 ft or less.
Monday
SSW wind 16 to 19 kt increasing to 20 to 23 kt in the afternoon. Winds could gust as high as 33 kt. A chance of showers. Seas 1 ft or less.
Monday Night
WSW wind 21 to 24 kt becoming WNW 16 to 19 kt after midnight. Winds could gust as high as 36 kt. Mostly cloudy. Seas 1 ft or less.
Tuesday
WNW wind 10 to 13 kt decreasing to 6 to 9 kt in the afternoon. Partly sunny. Seas 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. A chance of rain. Seas 1 ft or less.

*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: 40.64°N 73.36°W
Last Update: 10:09 pm EST Dec 3, 2021
Forecast Valid: 12am EST Dec 4, 2021-6pm EST Dec 10, 2021
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