Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend.
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Hazardous Weather Conditions

For More Weather Information:

Key West, FL Local Forecast Office

16NM ESE The Elbow Light FL

Marine Point Forecast

[NOTICE]
  • Overnight

    Scattered Showers

    ENE 10kt
    < 1ft

    Low: 82 °F

  • Sunday

    Scattered Showers

    Light Wind
    < 1ft

    High: 89 °F

  • Sunday
    Night

    Scattered Showers

    E 10kt
    < 1ft

    Low: 82 °F

  • Monday

    Scattered Showers

    SE 15kt
    1-2ft

    High: 89 °F

  • Monday
    Night

    Isolated Thunderstorms

    E 15kt
    2ft

    Low: 83 °F

  • Tuesday

    Isolated Thunderstorms

    E 15kt
    3ft

    High: 89 °F

  • Tuesday
    Night

    Scattered Showers

    E 15kt
    2-3ft

    Low: 83 °F

  • Wednesday

    Scattered Showers

    E 15kt
    3ft

    High: 89 °F

  • Wednesday
    Night

    Scattered Showers

    E 15kt
    3-4ft

    Low: 82 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:15 pm EDT Jul 23, 2016
Forecast Valid: 12am EDT Jul 24, 2016-6pm EDT Jul 30, 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 RIDGE OF HIGH PRESSURE WILL REMAIN ANCHORED ACROSS THE FLORIDA PENINSULA TONIGHT THROUGH THURSDAY.

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

5 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY. LESS THAN 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.

Overnight
ENE wind around 10 kt. Scattered showers and thunderstorms. Seas 1 ft or less.
Sunday
Variable winds 5 kt or less. Scattered showers and thunderstorms. Seas 1 ft or less.
Sunday Night
E wind 5 to 10 kt. Scattered showers and thunderstorms. Seas 1 ft or less.
Monday
SE wind 10 to 15 kt. Scattered showers and thunderstorms. Seas 1 to 2 ft.
Monday Night
E wind 10 to 15 kt. Isolated showers and thunderstorms. Seas around 2 ft.
Tuesday
E wind around 15 kt. Isolated showers and thunderstorms. Seas around 3 ft.
Tuesday Night
E wind 10 to 15 kt. Scattered showers and thunderstorms. Seas 2 to 3 ft.
Wednesday
E wind around 15 kt. Scattered showers and thunderstorms. Seas around 3 ft.
Wednesday Night
E wind around 15 kt. Scattered showers and thunderstorms. Seas 3 to 4 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: 25.01°N 80°W
Last Update: 10:15 pm EDT Jul 23, 2016
Forecast Valid: 12am EDT Jul 24, 2016-6pm EDT Jul 30, 2016
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