Strong System To Move Through East; Very Unsettled Hawaii and Alaska

A strong cold front will sweep through the East on Monday with lake effect snow, high winds and strong to severe thunderstorms. Meanwhile, a powerful Kona low will produce multiple hazards across Hawaii, including heavy rain and potential catastrophic flooding. Finally, a winter storm is impacting Alaska as blizzard and winter storm warnings are in effect for much of western and southern Alaska.
Read More...

For More Weather Information:

New York, NY Local Forecast Office

12NM NNE Islip NY

Marine Point Forecast

[NOTICE]
  • Today

    Slight Chc Showers

    S 17kt
    1ft
  • Tonight

    Showers

    WNW 20ktWinds Decreasing
    2-3ft
  • Tuesday

    Mostly Sunny

    W 13ktWinds Decreasing
    1-2ft
  • Tuesday
    Night

    Mostly Cloudy

    Light Wind
    < 1ft
  • Wednesday

    Snow Likely

    Winds IncreasingN 8kt
    < 1ft
  • Wednesday
    Night

    Chance Snow

    N 9kt
    1ft
  • Thursday

    Mostly Sunny

    N 8ktWinds Decreasing
    < 1ft
  • Thursday
    Night

    Chance Rain

    Light Wind
    < 1ft
  • Friday

    Chance Rain

    Winds IncreasingSSW 6kt
    < 1ft

Associated Zone Forecast which includes this point

Last Update: 6:07 am EST Dec 6, 2021
Forecast Valid: 10am EST Dec 6, 2021-6pm EST Dec 12, 2021

View Nearby Observations

Detailed Forecast

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

Synopsis: ANZ300-070015- 604 AM EST Mon Dec 6 2021 .Synopsis for the Long Island Waters and New York Harbor... A warm front will lift across the area this morning, followed by a strong cold frontal passage this evening. High pressure will then build in from the west on Tuesday, followed by a fast moving low passing to the south and east on Wednesday. High pressure will then return Wednesday night into Thursday. A weak disturbance will push through early Friday. $$

Today
S wind 12 to 17 kt, with gusts as high as 30 kt. A slight chance of showers after 4pm. Seas around 1 ft.
Tonight
WNW wind 17 to 20 kt becoming WNW 12 to 15 kt after midnight. Winds could gust as high as 31 kt. Showers, mainly before midnight. Seas 2 to 3 ft.
Tuesday
W wind 10 to 13 kt decreasing to 7 to 10 kt in the afternoon. Mostly sunny. Seas 1 to 2 ft.
Tuesday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming N 5 to 8 kt in the morning. Snow likely, mainly between 10am and 4pm. Seas 1 ft or less.
Wednesday Night
N wind around 9 kt. A chance of snow before 7pm. Seas around 1 ft.
Thursday
N wind 5 to 8 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Thursday Night
Variable winds 5 kt or less. A chance of rain. Seas 1 ft or less.
Friday
Variable winds less than 5 kt becoming SSW around 6 kt in the morning. 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.
  Select Another Point

ABOUT THIS FORECAST

Point Forecast: 40.92°N 73.15°W
Last Update: 6:07 am EST Dec 6, 2021
Forecast Valid: 10am EST Dec 6, 2021-6pm EST Dec 12, 2021
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data