Heavy Snowfall expected over the Intermountain West and the Great Lakes

A series of storm systems will bring heavy snowfall to much of the Intermountain West through the weekend. Snow will also spread onto the northern Plains with travel difficulties possible. Heavy Lake Effect snow will continue in favored locations downwind of the Great Lakes with western New York picking up storm total amounts of 2 to 3 feet.
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For More Weather Information:

Key West, FL Local Forecast Office

8NM SW Florida Bay FL

Marine Point Forecast

[NOTICE]
  • Overnight

    Scattered Showers

    NNE 20kt
    < 1ft

    Low: 70 °F

    Small Craft Advisory
    Small Craft Advisory

  • Friday

    Isolated Showers

    NNE 20kt
    < 1ft

    High: 76 °F

    Small Craft Advisory
    Small Craft Advisory

  • Friday
    Night

    Scattered Showers

    NNE 20kt
    < 1ft

    Low: 69 °F

  • Saturday

    Scattered Showers

    NE 20kt
    < 1ft

    High: 76 °F

  • Saturday
    Night

    Scattered Showers

    ENE 25kt
    < 1ft

    Low: 72 °F

  • Sunday

    Scattered Showers

    E 25kt
    < 1ft

    High: 78 °F

  • Sunday
    Night

    Isolated Showers

    ESE 20kt
    < 1ft

    Low: 76 °F

  • Monday

    Isolated Showers

    ESE 15kt
    < 1ft

    High: 80 °F

  • Monday
    Night

    Isolated Showers

    ESE 10kt
    1ft

    Low: 77 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:15 am EST Dec 9, 2016
Forecast Valid: 1am EST Dec 9, 2016-6pm EST Dec 15, 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 COLD FRONT WILL REACH THE FLORIDA KEYS OVERNIGHT. HIGH PRESSURE WILL FLOURISH ACROSS THE SOUTHEASTERN UNITED STATES FRIDAY THROUGH SUNDAY RESULTING IN STRONG NORTHEAST TO EAST BREEZES. WINDS AND SEAS WILL BEGIN TO DIMINISH SUNDAY NIGHT AND MONDAY.

THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF DECEMBER 8...

20 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY. 16 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS. 12 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST. 11 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY. 12 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON. 12 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA. 6 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.

Overnight
NNE wind 15 to 20 kt. Scattered showers. Seas 1 ft or less.
Friday
NNE wind around 20 kt. Isolated showers. Seas 1 ft or less.
Friday Night
NNE wind 15 to 20 kt. Scattered showers. Seas 1 ft or less.
Saturday
NE wind around 20 kt. Scattered showers. Seas 1 ft or less.
Saturday Night
ENE wind around 25 kt. Scattered showers. Seas 1 ft or less.
Sunday
E wind 20 to 25 kt. Scattered showers. Seas 1 ft or less.
Sunday Night
ESE wind 15 to 20 kt. Isolated showers. Seas 1 ft or less.
Monday
ESE wind 10 to 15 kt. Isolated showers. Seas 1 ft or less.
Monday Night
ESE wind around 10 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: 12:15 am EST Dec 9, 2016
Forecast Valid: 1am EST Dec 9, 2016-6pm EST Dec 15, 2016
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