Wintry weather for Midwest, Ohio Valley; Bitter cold for Northeast

A bitterly cold airmass has invaded the eastern U.S this weekend bringing the coldest temperatures of the season. Gusty winds will combine with these cold temperatures to create dangerous wind chills well below zero in many parts of the Northeast. Meanwhile, a developing storm in the Plains will bring wintry precipitation to the Midwest and Ohio Valley on Sunday.
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For More Weather Information:

Key West, FL Local Forecast Office

4NM N Dry Tortugas Light FL

Marine Point Forecast

[NOTICE]
  • Overnight

    Clear

    NNE 20kt
    5-6ft

    Low: 64 °F

    Small Craft Advisory
    Small Craft Advisory

  • Sunday

    Sunny

    ENE 20kt
    5-6ft

    High: 71 °F

    Small Craft Advisory
    Small Craft Advisory

  • Sunday
    Night

    Partly Cloudy

    E 20kt
    4-5ft

    Low: 69 °F

  • Washington's
    Birthday

    Isolated Showers

    E 20kt
    4-5ft

    High: 73 °F

  • Monday
    Night

    Scattered Showers

    E 15kt
    2-4ft

    Low: 71 °F

  • Tuesday

    Isolated Showers

    Light Wind
    1-2ft

    High: 75 °F

  • Tuesday
    Night

    Isolated Showers

    N 10kt
    1ft

    Low: 70 °F

  • Wednesday

    Mostly Sunny

    NNE 15kt
    2-3ft

    High: 72 °F

  • Wednesday
    Night

    Partly Cloudy

    N 20kt
    3-4ft

    Low: 70 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:15 pm EST Feb 13, 2016
Forecast Valid: 11pm EST Feb 13, 2016-6pm EST Feb 20, 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: HIGH PRESSURE CURRENTLY ACROSS THE NORTHERN PLAINS WILL SPILL EAST INTO THE MID ATLANTIC STATES BY SUNDAY AFTERNOON...THEN INTO THE WESTERN NORTH ATLANTIC MONDAY NIGHT. FRESH BREEZES ARE EXPECTED ACROSS ALL COASTAL WATERS OF THE FLORIDA KEYS TONIGHT THROUGH MONDAY NIGHT. A WEAK COLD FRONT SHOULD APPROACH THE FLORIDA KEYS TUESDAY OR TUESDAY NIGHT.

THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF FEBRUARY ELEVENTH...

52 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY. 11 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS. 4 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST. 3 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY. 2 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON. LESS THAN 1 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA. 2 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO. 6 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.

GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.

Overnight
NNE wind around 20 kt. Clear. Seas 5 to 6 ft.
Sunday
ENE wind around 20 kt. Sunny. Seas 5 to 6 ft.
Sunday Night
E wind around 20 kt. Partly cloudy. Seas 4 to 5 ft.
Washington's Birthday
E wind 15 to 20 kt. Isolated showers. Seas 4 to 5 ft.
Monday Night
E wind 5 to 15 kt. Scattered showers. Seas 2 to 4 ft.
Tuesday
Variable winds 5 kt or less. Isolated showers. Seas 1 to 2 ft.
Tuesday Night
N wind 5 to 10 kt. Isolated showers. Seas around 1 ft.
Wednesday
NNE wind 10 to 15 kt. Mostly sunny. Seas 2 to 3 ft.
Wednesday Night
N wind 15 to 20 kt. Partly cloudy. 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: 24.7°N 82.92°W
Last Update: 10:15 pm EST Feb 13, 2016
Forecast Valid: 11pm EST Feb 13, 2016-6pm EST Feb 20, 2016
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