National Weather Service United States Department of Commerce

Unsettled weather in store for eastern U.S. into weekend

A complex weather system moving across the eastern U.S. will bring a variety of hazardous weather to the region on Friday and into the weekend. Much colder weather is expected by Saturday, along with numerous showers and accumulating snow in the higher elevations of the Appalachians. Rain and snow will move into northern New England on Sunday.
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Last Update: 832 AM CDT FRI OCT 31 2014

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Lake Michigan Michigan City IN to St. Joseph MI 5 NM off shore to Mid Lake

Marine Zone Forecast

WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES WHICH WILL OCCASIONALLY BE ENCOUNTERED.

  • SynopsisLOW PRESSURE OF 29.9 INCHES OVER SOUTHERN LAKE HURON THIS MORNING WILL TRACK SOUTHEAST TO LAKE ERIE BY MIDDAY AND MERGE WITH SURFACE LOW PRESSURE OFF THE CAROLINA COAST SATURDAY MORNING. MEANWHILE...VERY STRONG HIGH PRESSURE OF 30.7 INCHES OVER THE NORTHERN PLAINS WILL QUICKLY MOVE SOUTHEAST INTO THE MID AND UPPER MISSISSIPPI RIVER VALLEY TODAY. STORM FORCE WINDS ARE EXPECTED ACROSS MOST OF THE LAKE THROUGH MUCH OF THE DAY BEFORE EASING TO GALES THIS EVENING AND FURTHER DIMINISHING SATURDAY MORNING AS HIGH PRESSURE MOVES OVER LAKE MICHIGAN. THE HIGH WILL STEADILY MOVE SOUTHEAST OF THE LAKE SUNDAY WHILE LOW PRESSURE MOVES NORTHEAST ACROSS THE NORTHERN PLAINS. ANOTHER LOW IS EXPECTED TO TRACK FROM THE SOUTHERN PLAINS AND ACROSS LAKE MICHIGAN TUESDAY.



    LMZ080-366-565-567-669-671-673-675-777-779-868-870-872-874-876- 878-312200- LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO MID LAKE- 832 AM CDT FRI OCT 31 2014

    STURGEON BAY WI TO POINT BETSIE MI SOUTH

    ...STORM WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...GALE WARNING IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH LATE TONIGHT...

    .REST OF TODAY...NORTH STORM FORCE WINDS TO 50 KT. A FEW STORM FORCE GUSTS TO 55 KT POSSIBLE MID TO LATE MORNING. RAIN AND SNOW SHOWERS. WAVES 10 TO 14 FT OCCASIONALLY TO 18 FT BUILDING TO 18 TO 23 FT OCCASIONALLY TO 28 FT INTO THE AFTERNOON. .TONIGHT...NORTH STORM FORCE WINDS TO 50 KT EASING TO GALES TO 45 KT DURING THE EVENING...THEN DIMINISHING TO 30 KT LATE. SCATTERED SNOW SHOWERS. WAVES SUBSIDING TO 12 TO 16 FT OCCASIONALLY TO 20 FT OVERNIGHT. .SATURDAY...NORTHEAST WINDS TO 30 KT DIMINISHING TO 10 TO 20 KT IN THE AFTERNOON. WAVES SUBSIDING TO 7 TO 10 FT OCCASIONALLY TO 13 FT IN THE AFTERNOON. .SATURDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT VEERING TO SOUTH. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 1 TO 3 FT OVERNIGHT. .SUNDAY...SOUTH WINDS TO 30 KT. WAVES 2 TO 4 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT IN THE AFTERNOON. .SUNDAY NIGHT...SOUTHWEST WINDS TO 30 KT. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT BUILDING TO 6 TO 9 FT OCCASIONALLY TO 11 FT OVERNIGHT. .MONDAY...SOUTHWEST WINDS TO 30 KT. SLIGHT CHANCE OF SHOWERS. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT. .TUESDAY...WEST WINDS 15 TO 25 KT. SHOWERS LIKELY. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.

    $$LOW PRESSURE OF 29.9 INCHES OVER SOUTHERN LAKE HURON
    THIS MORNING WILL TRACK SOUTHEAST TO LAKE ERIE BY MIDDAY AND
    MERGE WITH SURFACE LOW PRESSURE OFF THE CAROLINA COAST SATURDAY
    MORNING. MEANWHILE...VERY STRONG HIGH PRESSURE OF 30.7 INCHES
    OVER THE NORTHERN PLAINS WILL QUICKLY MOVE SOUTHEAST INTO THE MID
    AND UPPER MISSISSIPPI RIVER VALLEY TODAY. STORM FORCE WINDS ARE
    EXPECTED ACROSS MOST OF THE LAKE THROUGH MUCH OF THE DAY BEFORE
    EASING TO GALES THIS EVENING AND FURTHER DIMINISHING SATURDAY
    MORNING AS HIGH PRESSURE MOVES OVER LAKE MICHIGAN. THE HIGH WILL
    STEADILY MOVE SOUTHEAST OF THE LAKE SUNDAY WHILE LOW PRESSURE
    MOVES NORTHEAST ACROSS THE NORTHERN PLAINS. ANOTHER LOW IS
    EXPECTED TO TRACK FROM THE SOUTHERN PLAINS AND ACROSS LAKE
    MICHIGAN TUESDAY.
  • Rest Of Today North storm force winds to 50 kt. A few storm force gusts to 55 kt possible mid to late morning. Rain and snow showers. Waves 10 to 14 ft occasionally to 18 ft building to 18 to 23 ft occasionally to 28 ft into the afternoon.
  • Tonight North storm force winds to 50 kt easing to gales to 45 kt during the evening...then diminishing to 30 kt late. Scattered snow showers. Waves subsiding to 12 to 16 ft occasionally to 20 ft overnight.
  • Saturday Northeast winds to 30 kt diminishing to 10 to 20 kt in the afternoon. Waves subsiding to 7 to 10 ft occasionally to 13 ft in the afternoon.
  • Saturday Night Northeast winds 10 to 15 kt veering to south. Waves 4 to 7 ft occasionally to 9 ft subsiding to 1 to 3 ft overnight.
  • Sunday South winds to 30 kt. Waves 2 to 4 ft building to 4 to 7 ft occasionally to 9 ft in the afternoon.
  • Sunday Night Southwest winds to 30 kt. Waves 5 to 8 ft occasionally to 10 ft building to 6 to 9 ft occasionally to 11 ft overnight.
  • Monday Southwest winds to 30 kt. Slight chance of showers. Waves 6 to 9 ft occasionally to 11 ft.
  • Tuesday West winds 15 to 25 kt. Showers likely. Waves 4 to 6 ft occasionally to 8 ft.



Additional Forecasts and Information

Zone Area Forecast for Lake Michigan Michigan City IN to St. Joseph MI 5 NM off shore to Mid Lake
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