Our Proprietary 10-Day Forecast

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Current warnings over Mastic Beach, New York
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<p>Warnings from F5Weather</a></div>

United States weather warnings are issued by various organizations under NOAA. Most from the National Weather Service, but also Storm Prediction Center and National Hurricane Center.

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Current radar over Mastic Beach, New York red dot
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<p>Live radar from F5Weather</a></div>

Our radar is based off of US NEXRAD and Canadian weather radar sites through the quality controlled MRMS system. It compiles various sources for radar data and filters out erroneous returns such as sun spikes and ground clutter. We then colorize the precipitation based on our methods for determining precipitation type. Rain is in shades of green, mixed precipitation and freezing rain in shades of pink and snow is in shades of blue.

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Current satellite over Mastic Beach, New York red dot
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<p>Live satellite from F5Weather</a></div>

Our satellite is from the GOES-16. It is color enhanced by using a geocolor terrain background during the day and black marble city lights at night. The daytime satellite data is Visible satellite imagery, and nighttime uses Infrared bands. The bluish clouds are fog and low cloud. The whiteest clouds are the coldest, highest cloud tops.

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Current surface weather map around Suffolk County, NY

This surface map is from the HRRR computer model. It is a 1-hour forecast, updated hourly, which is a good estimate of the current surface conditions. This map shows the current high and low pressure centers, pressure isobar contours, wind streamlines and thickness contours. It also shows the currently depicted preciptiation estimates, although this should not be a substitute for actual live radar. The purple dashed contour is the 5400m thickness line, which is often a good proxy for the rain/snow line.

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Temperatures right now near Mastic Beach, New York

This is the latest surface temperatures as depicted by the HRRR computer model, updated hourly. Although these are not actual observations, this model is a very good representation of current conditions as it factors in observations, terrain and physics to give you more detailed temperatures in areas that do not have reporting weather stations. For the latest reports at specific locations, like in Mastic Beach, NY please see our current conditions data on the left and right side of this page, or go to our current conditions page.

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Surface wind speed map over Mastic Beach, NY

This map shows the latest HRRR computer model winds. This depiction of the current wind directions and speeds is an estimate from the computer model. For actual observations in Mastic Beach, NY, see the current conditions data on the left and right side of this page, or go to our current conditions page.

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Regional 24 hour rainfall expected near Mastic Beach, New York

This is a forecast of the amount of precipitation expected over the next 24 hours from the HRRR weather forecast model. This is only one forecast depiction, and you should check other models to get a better idea of what may happen. You can view this and other models in more detail on our main weather forecast maps page. There, you will also be able to look at forecasts beyond just 24 hours and look at forecasts out to as far as 16 days.

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Area snowfall accumulation expected around Suffolk County, New York

This is snowfall forecast, with amounts anticipated in the next 24 hours. This guidance is from the HRRR weather model. For more model forecasts out to 16 days, visit our main weather forecast maps page.

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These are Convective Outlooks from the Storm Prediction Center. Click to see Days 1-3 broken down into Tornado, Wind and Hail threats, as well as days 5-8 outlooks.

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Atlantic Hurricane and Tropical Storm Tracking Map
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<p>Hurricane Tracking from F5Weather</a></div>

Our hurricane tracking map monitors for any current or forecast tropical disturbances in the Atlantic. (See our Pacific Hurricane Tracker) Various hurricane models will draw a 'spaghetti plot' in the Atlantic Basin when a disturbance is forecast or exists, showing the system's forecast track. Once a storm has developed, the National Hurricane Center will forecast their official track. This will show up on the map along with the storm's current intensity, track and name. We will also plot some of the storm's vitals and of course the spaghetti plots from the models along with the NHC forecast track will give you an idea of where it's heading, and its forecast intensity with time.

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To view the latest computer models, visit f5wx.com for access to the weather maps and guidance that meteorologists use to make their forecasts.
 
Get access to:
  • European ECMWF HRES
  • American GFS
  • Canadian GDPS GEM
  • German DWD ICON
  • British MetOffice's UKMET Unified Model
  • American NAM
  • American HRRR
  • American NBM - National Blend of Models
  • GEFS, GEPS, MOGREPS & European Ensembles
  • Probabilities & Averages
  • 3-Ensemble Mean & more!
View Skew-T soundings, textual data tables for your location, and of course maps! Weather forecast maps of the basics like temperature, wind, pressure, humidity, dew point, cloud cover, simulated radar, travel weather, rainfall and snow are available. More advanced users can also get use out of our severe weather & tornado threat maps, as well as upper air & shear graphics.
 
See the latest forecast data as the models update.
 
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Climate Summary
(made with AI, use with caution)
Mastic Beach, New York Climate Summary

General Climate


    •   Humid subtropical climate with warm, humid summers and cool, wet winters.
    •   Influenced by the Atlantic Ocean, which moderates temperatures and brings frequent precipitation.

Temperature


    •   Average annual temperature: 52.7°F (11.5°C)
    •   Average summer temperature (June-August): 72.6°F (22.6°C)
    •   Average winter temperature (December-February): 31.7°F (-0.2°C)
    •   Record high temperature: 104°F (40°C)
    •   Record low temperature: -12°F (-24°C)

Precipitation


    •   Average annual precipitation: 47.1 inches (119.6 cm)
    •   Precipitation is evenly distributed throughout the year, with slightly more rainfall in the summer months.
    •   Snowfall is moderate, averaging 24.4 inches (62 cm) per year.

Humidity


    •   Humidity is generally high throughout the year, especially during the summer months.
    •   Average relative humidity: 72%

Wind


    •   Prevailing wind direction: West-southwest
    •   Average wind speed: 10.3 mph (16.6 km/h)
    •   Occasional strong winds and coastal storms can occur.

Sunshine


    •   Average annual sunshine hours: 2,623
    •   Most sunshine in July (320 hours)
    •   Least sunshine in December (174 hours)

Extreme Weather Events


    •   Hurricanes and tropical storms can impact the area, especially during the late summer and early fall.
    •   Coastal flooding is a risk during high tides and storm surges.
    •   Winter storms can bring heavy snowfall and icy conditions.

Climate Change Impacts


    •   Rising sea levels are a significant threat to coastal areas like Mastic Beach.
    •   Increased frequency and intensity of extreme weather events, such as hurricanes and heat waves, are expected in the future.
    •   Changes in precipitation patterns could lead to more frequent droughts or flooding.

Facts & Historical Information
(made with AI, use with caution)
Natural History

    •   Mastic Beach is home to the Wertheim National Wildlife Refuge, a 2,400-acre sanctuary for migratory birds, including the endangered piping plover.

    •   The beach is part of the barrier island system that protects Long Island from the Atlantic Ocean.

    •   The area's unique geology, with its sandy soil and high water table, supports a diverse plant community, including rare orchids and carnivorous plants.

Science

    •   Brookhaven National Laboratory, a major research facility, is located nearby and has played a significant role in the development of nuclear physics and other scientific fields.

    •   The Mastic Beach Fire Department has been recognized for its innovative use of technology in fire suppression and rescue operations.

Personalities

  • William Floyd:

    A signer of the Declaration of Independence, Floyd lived in Mastic Beach and his estate, known as the William Floyd Estate, is now a historic landmark.

  • Dr. Edward Teller:

    The \

    • Tourist Attractions
    1.Fire Island National Seashore

    (10 miles away): A beautiful barrier island with pristine beaches, hiking trails, and wildlife viewing opportunities.

    2.Smith Point County Park

    (7 miles away): A large park with a sandy beach, picnic areas, and a playground.

    3.Brookhaven National Laboratory

    (12 miles away): A research facility with a visitor center that offers tours and exhibits on science and technology.

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