Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 052048
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
248 PM CST FRI FEB 5 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN.

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.

.SYNOPSIS...WEAK HIGH PRESSURE RIDGING AVERAGING 30.3 INCHES WILL
MOVE ACROSS THE LAKE TONIGHT...WHILE LOW PRESSURE OF 29.9 INCHES
PASSES NORTH OF THE LAKES. A COLD FRONT TRAILING FROM THIS LOW
WILL SAG ACROSS THE NORTHERN LAKES SATURDAY. DEEPER LOW PRESSURE
OF 29.4 INCHES WILL DEVELOP ACROSS THE CANADIAN PRAIRIES SATURDAY
NIGHT...AND WILL FILL TO 29.6 INCHES WHILE MOVING SOUTHEAST TO
LAKE MICHIGAN BY MONDAY MORNING. THIS LOW WILL CONTINUE TO DRIFT
OFF TO THE SOUTHEAST THROUGH MONDAY NIGHT...EVENTUALLY
REDEVELOPING OFF THE ATLANTIC COAST. HIGH PRESSURE RIDGING
AVERAGING 30.4 INCHES WILL MOVE SLOWLY EAST ACROSS THE CANADIAN
PRAIRIES AND UPPER MIDWEST THROUGH MID WEEK.

LMZ261-362-364-366-563-565-567-868-060430-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
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 PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
248 PM CST FRI FEB 5 2016

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST AND
INCREASING TO 30 KT. CHANCE OF SNOW SHOWERS. WAVES 1 TO 2 FT
BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY...WEST WINDS TO 30 KT BECOMING SOUTHWEST 10 TO 20 KT.
CHANCE OF SNOW SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT
SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. CHANCE OF SNOW SHOWERS OVERNIGHT. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.SUNDAY...SOUTHWEST WINDS 15 TO 25 KT BECOMING SOUTH. CHANCE OF
SNOW SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KT. CHANCE OF SNOW SHOWERS.
WAVES 2 TO 4 FT.
.MONDAY...EAST WINDS 10 TO 15 KT BACKING TO NORTH 15 TO 25 KT IN
THE AFTERNOON. CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FT BUILDING
TO 2 TO 4 FT.
.MONDAY NIGHT...NORTH WINDS TO 30 KT. CHANCE OF SNOW SHOWERS.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.TUESDAY...NORTH WINDS TO 30 KT. CHANCE OF SNOW SHOWERS. WAVES
4 TO 7 FT OCCASIONALLY TO 9 FT.
.WEDNESDAY...NORTH WINDS 15 TO 25 KT BECOMING NORTHWEST. CHANCE
OF SNOW SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-060430-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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 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-
248 PM CST FRI FEB 5 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...NORTHWEST WINDS 10 TO 15 KT BECOMING WEST AND LATE
THIS EVENING...THEN BECOMING SOUTHWEST 10 TO 20 KT OVERNIGHT.
CHANCE OF FLURRIES OVERNIGHT. WAVES 1 TO 3 FT BUILDING TO 2 TO 4
FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF SNOW SHOWERS
IN THE MORNING. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY...SOUTHWEST WINDS 15 TO 25 KT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST. CHANCE
OF RAIN AND SNOW SHOWERS. WAVES 2 TO 4 FT.
.MONDAY...WEST WINDS 10 TO 15 KT BECOMING NORTHWEST 10 TO 20 KT.
CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FT.
.MONDAY NIGHT...NORTHWEST WINDS TO 30 KT. SNOW SHOWERS LIKELY.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 5 TO 8 FT
OCCASIONALLY TO 10 FT.
.TUESDAY...NORTHWEST WINDS TO 30 KT. CHANCE OF SNOW SHOWERS.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KT. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.

$$

LMZ761-060430-
MAFOR 0522/
MICHIGAN NORTH 12610 11530 12540 12630 11520. CHANCE OF SNOW
SHOWERS. WAVES 1 TO 3 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9
FT TONIGHT. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 3
TO 5 FT OCCASIONALLY TO 7 FT SATURDAY.

MICHIGAN SOUTH 11700 11600 11610 12520 11530 12520. CHANCE OF
SNOW SHOWERS SATURDAY MORNING. WAVES 1 TO 3 FT BUILDING TO 2 TO 4
FT TONIGHT AND CONTINUING SATURDAY.

$$

RATZER


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