Heavy Snow from the Wasatch to the Upper Midwest through Friday; Severe storms for Ohio Valley on Friday

A strong weather system will bring heavy snow, gusty winds - with blizzard conditions - to a broad area from the Great Basin to the Upper Midwest through Friday creating treacherous travel conditions. Also, strong winds and dry conditions are creating extreme wildfire threats in the southern Plains. Meanwhile, this system will bring a threat of severe thunderstorms to the Ohio Valley on Friday.
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For More Weather Information:

Key West, FL Local Forecast Office

8NM SW Florida Bay FL

Marine Point Forecast

[NOTICE]
  • Today

    Mostly Sunny

    NW 10kt
    < 1ft

    High: 75 °F

  • Tonight

    Partly Cloudy

    NW 10kt
    < 1ft

    Low: 71 °F

  • Saturday

    Mostly Sunny

    W 10kt
    < 1ft

    High: 77 °F

  • Saturday
    Night

    Partly Cloudy

    N 10kt
    < 1ft

    Low: 71 °F

  • Sunday

    Partly Sunny

    NNE 15kt
    < 1ft

    High: 76 °F

  • Sunday
    Night

    Isolated Showers

    E 15kt
    < 1ft

    Low: 72 °F

  • Monday

    Isolated Showers

    ESE 20kt
    < 1ft

    High: 77 °F

  • Monday
    Night

    Isolated Showers

    E 15kt
    1ft

    Low: 76 °F

  • Tuesday

    Isolated Showers

    ESE 15kt
    1ft

    High: 79 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:15 am EST Feb 24, 2017
Forecast Valid: 7am EST Feb 24, 2017-6pm EST Mar 2, 2017

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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 LOW PRESSURE SYSTEM NORTH OF THE BAHAMAS WILL LIFT OUT TO THE NORTHEAST SLOWLY TODAY THROUGH SUNDAY. A WEAK PRESSURE PATTERN WILL ENVELOP THE KEYS AREA THROUGH SUNDAY NIGHT.

THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF FEBRUARY 23...

21 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY. 18 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS. 20 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST. 17 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY. 18 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON. 12 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA. 9 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO. 7 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.

GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.

Today
NW wind 5 to 10 kt becoming WSW in the afternoon. Mostly sunny. Seas 1 ft or less.
Tonight
W wind 5 to 10 kt becoming NW after midnight. Partly cloudy. Seas 1 ft or less.
Saturday
NW wind 5 to 10 kt becoming SW in the afternoon. Mostly sunny. Seas 1 ft or less.
Saturday Night
WNW wind around 10 kt becoming N after midnight. Partly cloudy. Seas 1 ft or less.
Sunday
NNE wind 10 to 15 kt becoming E in the afternoon. Partly sunny. Seas 1 ft or less.
Sunday Night
E wind 10 to 15 kt. Isolated showers. Seas 1 ft or less.
Monday
ESE wind 10 to 20 kt. Isolated showers. Seas 1 ft or less.
Monday Night
E wind 10 to 15 kt. Isolated showers. Seas around 1 ft.
Tuesday
ESE wind 10 to 15 kt. Isolated showers. Seas around 1 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: 24.93°N 80.87°W
Last Update: 6:15 am EST Feb 24, 2017
Forecast Valid: 7am EST Feb 24, 2017-6pm EST Mar 2, 2017
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