Dangerous Heat Lingers in Southern U.S. And Severe Thunderstorms In The Central U.S.

Heat advisories and excessive heat warnings persist across the Southern U.S. today, including the Dallas, Houston and New Orleans metro areas. Dangerous heat indices with record high temperatures are expected, especially in Texas. Meanwhile, a strong cold front moving through the Central U.S. will produce severe thunderstorms from the Upper Mississippi Valley to the south-central High Plains.
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Hazardous Weather Conditions

For More Weather Information:

Key West, FL Local Forecast Office

5NM E Vaca Cut FL

Marine Point Forecast

[NOTICE]
  • This
    Afternoon

    Isolated Thunderstorms

    Light Wind
    < 1ft

    High: 89 °F

  • Tonight

    Isolated Thunderstorms

    Light Wind
    < 1ft

    Low: 84 °F

  • Wednesday

    Isolated Thunderstorms

    Light Wind
    < 1ft

    High: 89 °F

  • Wednesday
    Night

    Scattered Showers

    Light Wind
    < 1ft

    Low: 83 °F

  • Thursday

    Scattered Showers

    ENE 10kt
    < 1ft

    High: 89 °F

  • Thursday
    Night

    Scattered Showers

    E 15kt
    1-2ft

    Low: 82 °F

  • Friday

    Scattered Showers

    E 15kt
    2ft

    High: 89 °F

  • Friday
    Night

    Scattered Showers

    E 15kt
    2ft

    Low: 83 °F

  • Saturday

    Scattered Showers

    E 15kt
    2ft

    High: 89 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:15 pm EDT Jul 14, 2020
Forecast Valid: 2pm EDT Jul 14, 2020-6pm EDT Jul 20, 2020

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Detailed Forecast


Synopsis: A ridge axis stretching west through the Straits of Florida will lift northward through tonight. As a result, light to gentle breezes will prevail tonight through Wednesday. Moderate northeast to east breezes may resume by Thursday or Thursday night, then persist Friday through Saturday night.

The Approximate Shoreward Edge of the Gulf Stream as of July 14...

22 NM South of Dry Tortugas Light...on Loggerhead Key. 11 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 9 NM South of Sand Key Light...off Key West. 9 NM South of Looe Key...off Big Pine Key. 8 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. Less than 1 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

This Afternoon
Variable winds 5 kt or less. Isolated showers and thunderstorms. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Isolated showers and thunderstorms before 8pm. Seas 1 ft or less.
Wednesday
Variable winds 5 kt or less. Isolated showers and thunderstorms. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Scattered showers and thunderstorms. Seas 1 ft or less.
Thursday
ENE wind around 10 kt. Scattered showers and thunderstorms. Seas 1 ft or less.
Thursday Night
E wind around 15 kt. Scattered showers and thunderstorms. Seas 1 to 2 ft.
Friday
E wind 10 to 15 kt. Scattered showers and thunderstorms. Seas around 2 ft.
Friday Night
E wind 10 to 15 kt. Scattered showers and thunderstorms. Seas around 2 ft.
Saturday
E wind 10 to 15 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: 24.71°N 80.95°W
Last Update: 1:15 pm EDT Jul 14, 2020
Forecast Valid: 2pm EDT Jul 14, 2020-6pm EDT Jul 20, 2020
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