Dangerous Heat and Humidity Over The East

A very hot and humid airmass will persist over much of the east over the next couple of days. Afternoon high temperatures are forecast to reach 95 to 100 degrees with heat index values ranging from 100 to 110 degrees. The dangerous heat wave will impact major I-95 cities from North Carolina to New York.
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Hazardous Weather Conditions

For More Weather Information:

Key West, FL Local Forecast Office

4NM N Dry Tortugas Light FL

Marine Point Forecast

[NOTICE]
  • Tonight

    Isolated Thunderstorms

    E 10kt
    1-2ft

    Low: 82 °F

  • Tuesday

    Isolated Thunderstorms

    E 15kt
    2-3ft

    High: 85 °F

  • Tuesday
    Night

    Scattered Showers

    E 15kt
    3-4ft

    Low: 82 °F

  • Wednesday

    Scattered Showers

    E 15kt
    4ft

    High: 85 °F

  • Wednesday
    Night

    Scattered Showers

    E 15kt
    4ft

    Low: 82 °F

  • Thursday

    Scattered Showers

    E 15kt
    4ft

    High: 85 °F

  • Thursday
    Night

    Scattered Showers

    ESE 15kt
    3ft

    Low: 83 °F

  • Friday

    Scattered Showers

    ESE 10kt
    2-3ft

    High: 87 °F

  • Friday
    Night

    Scattered Showers

    ESE 10kt
    2ft

    Low: 82 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:15 pm EDT Jul 25, 2016
Forecast Valid: 9pm EDT Jul 25, 2016-6pm EDT Aug 1, 2016

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Detailed Forecast

SEAS ARE GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

Synopsis: A SURFACE RIDGE OF HIGH PRESSURE ACROSS THE FLORIDA PENINSULA WILL STRENGTHEN THROUGH MID WEEK...THEN GRADUALLY WEAKEN THROUGH THE BACK HALF OF THE WEEK.

THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF JULY 22...

5 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY. 1 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS. 2 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST. 4 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY. 5 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON. 4 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA. 1 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO. 1 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.

GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.

Tonight
E wind 5 to 10 kt. Isolated showers and thunderstorms. Seas 1 to 2 ft.
Tuesday
E wind around 15 kt. Isolated showers and thunderstorms. Seas 2 to 3 ft.
Tuesday Night
E wind around 15 kt. Scattered showers and thunderstorms. Seas 3 to 4 ft.
Wednesday
E wind around 15 kt. Scattered showers and thunderstorms. Seas around 4 ft.
Wednesday Night
E wind around 15 kt. Scattered showers and thunderstorms. Seas around 4 ft.
Thursday
E wind around 15 kt. Scattered showers and thunderstorms. Seas around 4 ft.
Thursday Night
ESE wind around 15 kt. Scattered showers and thunderstorms. Seas around 3 ft.
Friday
ESE wind around 10 kt. Scattered showers and thunderstorms. Seas 2 to 3 ft.
Friday Night
ESE wind around 10 kt. Scattered showers and thunderstorms. Seas around 2 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: 24.7°N 82.92°W
Last Update: 8:15 pm EDT Jul 25, 2016
Forecast Valid: 9pm EDT Jul 25, 2016-6pm EDT Aug 1, 2016
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