National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Overcast

64°F

18°C

Humidity 75%
Wind Speed Calm
Barometer 30.10 in (1019.2 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 20 Aug 5:56 am EDT
Extended Forecast for

East Moriches NY

Coastal Flood Watch August 21, 06:00pm until August 22, 12:00am
High Surf Advisory until August 22, 08:00pm
Click here for hazard details and duration
Coastal Flood Watch
High Surf Advisory
  •  
    High Surf Advisory until August 22, 08:00pm

    NOW until 8:00pm Fri

    High Surf Advisory

  • Today

    High: 73 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 64. East wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 72. Breezy, with a northeast wind 21 to 23 mph, with gusts as high as 36 mph.

    High: 72 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 60. Breezy, with a north wind around 23 mph, with gusts as high as 36 mph.

    Low: 60 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 78. Breezy, with a north wind 13 to 22 mph, with gusts as high as 33 mph.

    High: 78 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Today
Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 73. East wind 9 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 64. East wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A 30 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 72. Breezy, with a northeast wind 21 to 23 mph, with gusts as high as 36 mph.
Thursday Night
Mostly cloudy, with a low around 60. Breezy, with a north wind around 23 mph, with gusts as high as 36 mph.
Friday
Mostly sunny, with a high near 78. Breezy, with a north wind 13 to 22 mph, with gusts as high as 33 mph.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 66.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 77.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Tuesday
Sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Moriches NY
 40.81°N 72.76°W (Elev. 26 ft)
Last Update:
2:48 am EDT Aug 20, 2025
Forecast Valid:
6am EDT Aug 20, 2025-6pm EDT Aug 26, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation