Severe Thunderstorms Possible from the Central Plains to the Ohio Valley

Severe thunderstorms containing damaging winds, large to very large hail, heavy rainfall, and isolated tornadoes will be possible Thursday from the Central Plains into the Great Lakes. The primary threat is expected to move into the Great Lakes on Friday. Heavy rainfall with these thunderstorms could cause localized flooding.
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Hazardous Weather Conditions

For More Weather Information:

Key West, FL Local Forecast Office

5NM W Florida Bay FL

Marine Point Forecast

[NOTICE]
  • Overnight

    Scattered Showers

    Light Wind
    < 1ft

    Low: 81 °F

  • Thursday

    Scattered Showers

    Light Wind
    < 1ft

    High: 86 °F

  • Thursday
    Night

    Scattered Showers

    E 10kt
    < 1ft

    Low: 82 °F

  • Friday

    Scattered Showers

    ESE 10kt
    < 1ft

    High: 86 °F

  • Friday
    Night

    Isolated Thunderstorms

    E 10kt
    < 1ft

    Low: 82 °F

  • Saturday

    Isolated Thunderstorms

    ESE 10kt
    < 1ft

    High: 87 °F

  • Saturday
    Night

    Isolated Thunderstorms

    E 10kt
    < 1ft

    Low: 83 °F

  • Sunday

    Scattered Showers

    ESE 10kt
    < 1ft

    High: 87 °F

  • Sunday
    Night

    Scattered Showers

    E 10kt
    < 1ft

    Low: 81 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:16 am EDT Jun 29, 2017
Forecast Valid: 3am EDT Jun 29, 2017-6pm EDT Jul 5, 2017

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Detailed Forecast


Synopsis: A weak surface ridge will extend to the Bahamas overnight. A ridge of high pressure will exit the eastern United States and strengthen somewhat for the balance of this week and into this weekend.

The Approximate Shoreward Edge of the Gulf Stream as of June 27, 2017...

60 NM South of Dry Tortugas Light, on Loggerhead Key. 38 NM South of Cosgrove Shoal Light, off the Marquesas Keys. 30 NM South of Sand Key Light, off Key West. 22 NM South of Looe Key, off Big Pine Key. 20 NM South of Sombrero Key Light, off Marathon. 14 NM Southeast of Alligator Reef Light, off Islamorada. 10 NM Southeast of Molasses Reef Light, off Key Largo. 8 NM East of Carysfort Reef Light, off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

Overnight
Variable winds 5 kt or less. Scattered showers and thunderstorms. Seas 1 ft or less.
Thursday
Variable winds 5 kt or less. Scattered showers and thunderstorms. Seas 1 ft or less.
Thursday Night
E wind 5 to 10 kt. Scattered showers and thunderstorms. Seas 1 ft or less.
Friday
ESE wind around 10 kt. Scattered showers and thunderstorms. Seas 1 ft or less.
Friday Night
E wind around 10 kt. Isolated showers and thunderstorms. Seas 1 ft or less.
Saturday
ESE wind around 10 kt. Isolated showers and thunderstorms. Seas 1 ft or less.
Saturday Night
E wind around 10 kt. Isolated showers and thunderstorms. Seas 1 ft or less.
Sunday
ESE wind around 10 kt. Scattered showers and thunderstorms. Seas 1 ft or less.
Sunday Night
E wind around 10 kt. Scattered showers and thunderstorms. Seas 1 ft or less.

*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: 25.02°N 80.83°W
Last Update: 2:16 am EDT Jun 29, 2017
Forecast Valid: 3am EDT Jun 29, 2017-6pm EDT Jul 5, 2017
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