Heavy rain and flash flooding possible in portions of the Southwest this weekend

An upper-level low in the Southwest U.S. will act as a trigger for thunderstorms this weekend. The area of greatest concern is in New Mexico, southeast Utah and portions of southern Colorado. Storms will be slow moving and could bring several rounds of rain to the same areas. Rainfall amounts may exceed 3 inches in localized areas. Flash Flood Watches are in effect.
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New York, NY Local Forecast Office

21NM SW Islip NY

Marine Point Forecast

[NOTICE]
  • This
    Afternoon

    Sunny

    SW 11kt
    3ft
  • Tonight

    Partly Cloudy

    SW 10kt
    3ft
  • Sunday

    Sunny

    NW 9kt
    2ft
  • Sunday
    Night

    Mostly Clear

    WSW 7kt
    2ft
  • Monday

    Sunny

    Winds IncreasingSSW 10kt
    2ft
  • Monday
    Night

    Mostly Clear

    SSW 13kt
    3ft
  • Tuesday

    Mostly Sunny

    SW 13kt
    2-3ft
  • Tuesday
    Night

    Chance Thunderstorms

    SSW 15kt
    4ft
  • Wednesday

    Chance Thunderstorms

    WSW 14kt
    4ft

Associated Zone Forecast which includes this point

Last Update: 10:16 am EDT Aug 19, 2017
Forecast Valid: 12pm EDT Aug 19, 2017-6pm EDT Aug 25, 2017

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Detailed Forecast


Synopsis: ANZ300-200215- 1021 AM EDT Sat Aug 19 2017 .Synopsis for the Long Island Waters and New York Harbor... One cold front will pass east of Long Island this morning, while another passes through tonight. High pressure will follow from Sunday through Tuesday. A frontal system will move across from Wednesday into Wednesday Night. $$

This Afternoon
W wind 7 to 11 kt becoming SW. Sunny. Seas around 3 ft.
Tonight
SW wind around 10 kt becoming W after midnight. Partly cloudy. Seas around 3 ft.
Sunday
NW wind 7 to 9 kt becoming W in the afternoon. Sunny. Seas around 2 ft.
Sunday Night
WSW wind 5 to 7 kt becoming NW after midnight. Mostly clear. Seas around 2 ft.
Monday
Variable winds less than 5 kt becoming SSW 5 to 10 kt in the afternoon. Sunny. Seas around 2 ft.
Monday Night
SSW wind 10 to 13 kt. Mostly clear. Seas around 3 ft.
Tuesday
SW wind 10 to 13 kt. Mostly sunny. Seas 2 to 3 ft.
Tuesday Night
SSW wind around 15 kt, with gusts as high as 21 kt. A chance of showers and thunderstorms. Seas around 4 ft.
Wednesday
WSW wind 11 to 14 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms. Seas around 4 ft.

Winds and seas higher in and near tstms.

*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: 40.53°N 73.61°W
Last Update: 10:16 am EDT Aug 19, 2017
Forecast Valid: 12pm EDT Aug 19, 2017-6pm EDT Aug 25, 2017
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RADAR & SATELLITE IMAGES

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