Flash Flood Threat Shifts to Florida; Snowy in the Northern Plains; Fire Danger in the West

Showers and thunderstorms may produce flash flooding in northern and central Florida into Tuesday; and gusty winds and hail are also possible across the area Sunday. A strong cold front will bring below average temperatures and wintry precipitation to the northern High Plains. Elevated fire weather conditions are expected across parts of the Northwest and southern California.
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New York, NY Local Forecast Office

13NM E Islip NY

Marine Point Forecast

[NOTICE]
  • This
    Afternoon

    Partly Sunny

    SW 9kt
    1ft
  • Tonight

    Mostly Cloudy

    SW 8ktWinds Decreasing
    1ft
  • Monday

    Partly Sunny

    Winds IncreasingSSW 8kt
    < 1ft
  • Monday
    Night

    Partly Cloudy

    Light Wind
    < 1ft
  • Tuesday

    Mostly Sunny

    Winds IncreasingSW 11kt
    < 1ft
  • Tuesday
    Night

    Partly Cloudy

    SSW 13kt
    1ft
  • Wednesday

    Chance Showers

    S 12kt
    1ft
  • Wednesday
    Night

    Showers Likely

    WNW 15kt
    1-2ft
  • Thursday

    Mostly Sunny

    W 19kt
    1ft

Associated Zone Forecast which includes this point

Last Update: 10:32 am EDT Apr 18, 2021
Forecast Valid: 12pm EDT Apr 18, 2021-6pm EDT Apr 24, 2021

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Detailed Forecast


Synopsis: ANZ300-190315- 1032 AM EDT Sun Apr 18 2021 .Synopsis for the Long Island Waters and New York Harbor... Weak high pressure remains in the area into early next week, with a weak trough passing through the region Monday. A strong cold front then crosses the area Wednesday into Wednesday night. High pressure then begins to build back slowly on Thursday. $$

This Afternoon
W wind 7 to 9 kt becoming SW. Partly sunny. Seas around 1 ft.
Tonight
SW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Seas around 1 ft.
Monday
Variable winds less than 5 kt becoming SSW 5 to 8 kt in the morning. Partly sunny. Seas 1 ft or less.
Monday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Tuesday
W wind 5 to 8 kt becoming SW 8 to 11 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Tuesday Night
SSW wind 8 to 13 kt. Partly cloudy. Seas around 1 ft.
Wednesday
S wind 7 to 12 kt. A chance of showers after noon. Seas around 1 ft.
Wednesday Night
WSW wind around 15 kt becoming WNW after midnight. Winds could gust as high as 22 kt. Showers likely. Seas 1 to 2 ft.
Thursday
W wind around 19 kt, with gusts as high as 26 kt. Mostly sunny. Seas around 1 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.
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ABOUT THIS FORECAST

Point Forecast: 40.76°N 72.92°W
Last Update: 10:32 am EDT Apr 18, 2021
Forecast Valid: 12pm EDT Apr 18, 2021-6pm EDT Apr 24, 2021
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