Stormy Weather Along the East Coast; Extended Warm-up for the West

A strong low pressure system will bring heavy rain, gusty winds, and thunderstorms along the east coast. Isolated severe thunderstorms could produce damaging winds and a few tornadoes in the Southeast. Heavy rains may result in excessive runoff and flash flooding. Building high pressure out west will produce above normal temperatures, especially, in the Pacific Northwest.
Read More...

For More Weather Information:

New York, NY Local Forecast Office

21NM SW Islip NY

Marine Point Forecast

[NOTICE]
  • Tonight

    Partly Cloudy

    SSE 8kt
    1ft
  • Tuesday

    Slight Chc Rain

    Winds IncreasingE 12kt
    1-2ft
  • Tuesday
    Night

    Rain

    E 17kt
    Waves Building6ft

    Small Craft Advisory
    Small Craft Advisory

  • Wednesday

    Rain

    SSE 24ktWinds Decreasing
    7ft

    Small Craft Advisory
    Small Craft Advisory

  • Wednesday
    Night

    Chance Rain

    WSW 13kt
    7ft
  • Thursday

    Partly Sunny

    WSW 15kt
    6-7ft
  • Thursday
    Night

    Partly Cloudy

    W 12kt
    4-5ft
  • Friday

    Mostly Sunny

    S 9kt
    3-4ft
  • Friday
    Night

    Mostly Cloudy

    S 12kt
    3ft

Associated Zone Forecast which includes this point

Last Update: 3:30 pm EDT Apr 23, 2018
Forecast Valid: 7pm EDT Apr 23, 2018-6pm EDT Apr 30, 2018

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH

Synopsis: ANZ300-240830- 400 PM EDT Mon Apr 23 2018 .Synopsis for the Long Island Waters and New York Harbor... High pressure track east across the western Atlantic, while low pressure over the southern states works northward through the middle of the week. The low will lift across the area on Wednesday. High pressure returns on Thursday with a wave of low pressure passing near the area on Friday. A weak frontal system on then moves through on Saturday followed by sprawling high pressure builds in thereafter. $$

Tonight
SSE wind 5 to 8 kt. Partly cloudy. Seas around 1 ft.
Tuesday
E wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. A slight chance of rain after 4pm. Seas 1 to 2 ft.
Tuesday Night
E wind 13 to 17 kt. Rain, mainly after 8pm. Seas 3 ft building to 6 ft.
Wednesday
SSE wind 19 to 24 kt decreasing to 14 to 19 kt in the afternoon. Rain and possibly a thunderstorm before 4pm, then rain likely. Areas of fog. Seas around 7 ft.
Wednesday Night
S wind 11 to 13 kt becoming WSW after midnight. A chance of rain and thunderstorms. Patchy fog before 2am. Seas around 7 ft.
Thursday
WSW wind 12 to 15 kt. Partly sunny. Seas 6 to 7 ft.
Thursday Night
W wind 8 to 12 kt. Partly cloudy. Seas 4 to 5 ft.
Friday
W wind around 9 kt becoming S in the afternoon. Mostly sunny. Seas 3 to 4 ft.
Friday Night
S wind 8 to 12 kt. Mostly cloudy. Seas around 3 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.
  Select Another Point

ABOUT THIS FORECAST

Point Forecast: 40.53°N 73.61°W
Last Update: 3:30 pm EDT Apr 23, 2018
Forecast Valid: 7pm EDT Apr 23, 2018-6pm EDT Apr 30, 2018
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

Northeast Radar Mosaic Link to Satellite Data