National Weather Service United States Department of Commerce

Active weather pattern on Sunday brings the threat of wintry weather to several parts of the U.S

A few areas of active weather are expected on Sunday. The first will be in the Southwest, as locally heavy rain and mountain snow is possible in portions of California, Nevada, Utah, Colorado, New Mexico and Arizona. Further east, wintry weather is possible over a large portion of the country. Numerous winter weather products have been issued from the southern Plains to New England.
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Last Update: 238 AM CST SUN MAR 1 2015

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Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of 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.

  • SynopsisHIGH PRESSURE OF 30.7 INCHES WAS OVER SOUTHERN NEW ENGLAND AND THE JERSEY SHORE THIS MORNING...WITH WEAKER RIDGING OF 30.5 INCHES EXTENDING WEST ACROSS THE SOUTHERN LAKES. THE HIGH WILL MOVE OFF THE ATLANTIC COAST TODAY. WEAK LOW PRESSURE OF 30.4 INCHES WILL MOVE FROM THE LOWER MISSOURI VALLEY INTO THE UPPER OHIO VALLEY THIS AFTERNOON...WHILE A COLD FRONTAL TROUGH AVERAGING 30.2 INCHES MOVES SOUTHEAST ACROSS THE UPPER MIDWEST AND INTO THE NORTHERN AND WESTERN LAKES BY THIS EVENING. HIGH PRESSURE OF 30.6 INCHES WILL THEN SPREAD EAST FROM THE CENTRAL PLAINS INTO THE UPPER OHIO VALLEY AND SOUTHERN GREAT LAKES ON MONDAY. THE HIGH WILL CONTINUE TO MOVE EAST MONDAY NIGHT AS LOW PRESSURE OF 29.5 INCHES DEVELOPS OVER THE PLAINS. THE LOW WILL MOVE TO NEAR LAKE MICHIGAN BY TUESDAY EVENING WHILE DEEPENING TO 29.4 INCHES...AND WILL CONTINUE INTO NORTHEAST CANADA ON WEDNESDAY AS HIGH PRESSURE OF 30.5 INCHES SPREADS ACROSS THE PLAINS.



    LMZ080-366-565-567-669-671-673-675-777-779-868-870-872-874-876- 878-011700- 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- 238 AM CST SUN MAR 1 2015

    STURGEON BAY WI TO POINT BETSIE MI SOUTH

    .TODAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT LATE. CHANCE OF SNOW THIS MORNING...THEN SLIGHT CHANCE OF SNOW THIS AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT. .TONIGHT...WEST WINDS 15 TO 25 KT INCREASING TO 30 KT AND BECOMING NORTHWEST...THEN EASING TO 15 TO 25 KT TOWARD MORNING. CHANCE OF SNOW SHOWERS IN THE EVENING...THEN SLIGHT CHANCE OF SNOW SHOWERS OVERNIGHT. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT. .MONDAY...NORTHWEST WINDS 15 TO 25 KT EARLY...DIMINISHING TO 5 TO 10 KT AND BACKING SOUTHWEST IN THE AFTERNOON. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT IN THE AFTERNOON. .MONDAY NIGHT...SOUTH WINDS 10 TO 15 KT INCREASING TO 15 TO 25 KT OVERNIGHT. CHANCE OF SNOW OVERNIGHT. WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT BY MORNING. .TUESDAY...SOUTHEAST WINDS TO 30 KT BECOMING SOUTH...THEN EASING TO 15 TO 25 KT AND VEERING WEST TOWARD EVENING. SNOW AND FREEZING RAIN IN THE MORNING...THEN SNOW AND RAIN OR SLEET IN THE AFTERNOON. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT. .TUESDAY NIGHT...WEST WINDS TO 30 KT BECOMING NORTHWEST. A FEW GALE FORCE GUSTS TO 35 KT POSSIBLE. CHANCE OF SNOW SHOWERS... RAIN AND DRIZZLE. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT. .WEDNESDAY...NORTHWEST WINDS TO 30 KT BECOMING WEST 15 TO 25 KT IN THE AFTERNOON. CHANCE OF SNOW SHOWERS. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT. .THURSDAY...WEST WINDS 10 TO 20 KT. SLIGHT CHANCE OF SNOW SHOWERS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.

    WAVE FORECAST IS FOR ICE FREE AREAS

    $$HIGH PRESSURE OF 30.7 INCHES WAS OVER SOUTHERN NEW ENGLAND AND THE
    JERSEY SHORE THIS MORNING...WITH WEAKER RIDGING OF 30.5 INCHES
    EXTENDING WEST ACROSS THE SOUTHERN LAKES. THE HIGH WILL MOVE OFF
    THE ATLANTIC COAST TODAY. WEAK LOW PRESSURE OF 30.4 INCHES WILL
    MOVE FROM THE LOWER MISSOURI VALLEY INTO THE UPPER OHIO VALLEY
    THIS AFTERNOON...WHILE A COLD FRONTAL TROUGH AVERAGING 30.2 INCHES
    MOVES SOUTHEAST ACROSS THE UPPER MIDWEST AND INTO THE NORTHERN AND
    WESTERN LAKES BY THIS EVENING. HIGH PRESSURE OF 30.6 INCHES WILL
    THEN SPREAD EAST FROM THE CENTRAL PLAINS INTO THE UPPER OHIO
    VALLEY AND SOUTHERN GREAT LAKES ON MONDAY. THE HIGH WILL CONTINUE
    TO MOVE EAST MONDAY NIGHT AS LOW PRESSURE OF 29.5 INCHES DEVELOPS
    OVER THE PLAINS. THE LOW WILL MOVE TO NEAR LAKE MICHIGAN BY
    TUESDAY EVENING WHILE DEEPENING TO 29.4 INCHES...AND WILL CONTINUE
    INTO NORTHEAST CANADA ON WEDNESDAY AS HIGH PRESSURE OF 30.5 INCHES
    SPREADS ACROSS THE PLAINS.
  • Today Southwest winds 10 to 20 kt increasing to 15 to 25 kt late. Chance of snow this morning...then slight chance of snow this afternoon. Waves 3 to 5 ft occasionally to 7 ft.
  • Tonight West winds 15 to 25 kt increasing to 30 kt and becoming northwest...then easing to 15 to 25 kt toward morning. Chance of snow showers in the evening...then slight chance of snow showers overnight. Waves 4 to 7 ft occasionally to 9 ft.
  • Monday Northwest winds 15 to 25 kt early...diminishing to 5 to 10 kt and backing southwest in the afternoon. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft occasionally to 7 ft in the afternoon.
  • Monday Night South winds 10 to 15 kt increasing to 15 to 25 kt overnight. Chance of snow overnight. Waves 2 to 4 ft building to 3 to 5 ft occasionally to 7 ft by morning.
  • Tuesday Southeast winds to 30 kt becoming south...then easing to 15 to 25 kt and veering west toward evening. Snow and freezing rain in the morning...then snow and rain or sleet in the afternoon. Waves 4 to 7 ft occasionally to 9 ft.
  • Tuesday Night West winds to 30 kt becoming northwest. A few gale force gusts to 35 kt possible. Chance of snow showers... Rain and drizzle. Waves 4 to 7 ft occasionally to 9 ft.
  • Wednesday Northwest winds to 30 kt becoming west 15 to 25 kt in the afternoon. Chance of snow showers. Waves 6 to 9 ft occasionally to 11 ft.
  • Thursday West winds 10 to 20 kt. Slight chance of snow showers. Waves 4 to 7 ft occasionally to 9 ft.

    wave forecast is for ice free areas



Additional Forecasts and Information

Zone Area Forecast for Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.
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