Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 241432
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
832 AM CST TUE FEB 24 2015

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...HIGH PRESSURE OF 30.3 INCHES IS CENTERED OVER THE
NORTH ATLANTIC COAST THIS MORNING...WHILE LOW PRESSURE OF 29.2
INCHES IS CENTERED NEAR JAMES BAY. THE HIGH WILL SHIFT OFFSHORE
THIS AFTERNOON AND TONIGHT...WHILE THE SURFACE LOW TRACKS OVER
QUEBEC. AN ASSOCIATED COLD FRONT WILL MOVE ACROSS THE LAKE LATE
THIS AFTERNOON AND EARLY THIS EVENING. IN THE WAKE OF THIS
FRONT...HIGH PRESSURE OF 30.7 INCHES WILL BUILD INTO THE PLAINS
AND MIDWEST REGION WEDNESDAY NIGHT THROUGH FRIDAY...THEN SHIFT TO
THE EASTERN GREAT LAKES BY SATURDAY MORNING.

LMZ261-362-364-366-563-565-567-868-242300-
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-
832 AM CST TUE FEB 24 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

...GALE WARNING IN EFFECT THROUGH THIS EVENING...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...SOUTHWEST GALES TO 35 KT BECOMING NORTHWEST
IN THE AFTERNOON. HEAVY FREEZING SPRAY. SNOW SHOWERS. WAVES 12 TO
16 FT OCCASIONALLY TO 20 FT.
.TONIGHT...NORTHWEST GALES TO 35 KT QUICKLY EASING TO 30 KT EARLY
IN THE EVENING...THEN DIMINISHING TO 15 TO 25 KT OVERNIGHT. SNOW
SHOWERS. WAVES SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT
OVERNIGHT.
.WEDNESDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH IN THE
AFTERNOON. SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING. WAVES
SUBSIDING TO 2 TO 4 FT IN THE AFTERNOON.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 20 KT. SLIGHT CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT
OVERNIGHT.
.THURSDAY...NORTH WINDS 10 TO 20 KT. SLIGHT CHANCE OF SNOW
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF
SNOW SHOWERS. WAVES 2 TO 4 FT.
.FRIDAY...WEST WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT IN THE
AFTERNOON. WAVES 2 TO 4 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT
IN THE AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.

WAVE FORECAST IS FOR ICE FREE AREAS

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-242300-
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-
832 AM CST TUE FEB 24 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

...GALE WARNING IN EFFECT THROUGH THIS EVENING...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...SOUTHWEST GALES TO 40 KT EASING TO 35 KT GALES
AND BECOMING NORTHWEST IN THE AFTERNOON. HEAVY FREEZING SPRAY.
CHANCE OF SNOW SHOWERS. WAVES 12 TO 16 FT OCCASIONALLY TO 20 FT.
.TONIGHT...NORTHWEST GALES TO 35 KT EASING TO 30 KT IN THE
EVENING...THEN DIMINISHING TO 10 TO 20 KT OVERNIGHT. HEAVY
FREEZING SPRAY IN THE EVENING. CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT LATE.
.WEDNESDAY...NORTH WINDS 10 TO 20 KT. SLIGHT CHANCE OF SNOW
SHOWERS IN THE MORNING. WAVES SUBSIDING TO 2 TO 4 FT IN THE
AFTERNOON.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT. CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT
OVERNIGHT.
.THURSDAY...NORTH WINDS 10 TO 20 KT. CHANCE OF SNOW SHOWERS.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.THURSDAY NIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHWEST
10 TO 15 KT OVERNIGHT. CHANCE OF SNOW SHOWERS. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.FRIDAY...WEST WINDS 10 TO 15 KT. WAVES 2 TO 4 FT.
.SATURDAY...SOUTH WINDS 10 TO 20 KT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.

WAVE FORECAST IS FOR ICE FREE AREAS

$$
LMZ761-242300-
MAFOR 2416/
MICHIGAN NORTH...GALE WARNING IN EFFECT...
11557 11652 11752 11747 19757 11747 12737 11720. HEAVY FREEZING
SPRAY TODAY AND EARLY THIS EVENING. SNOW SHOWERS. WAVES 12 TO 16 FT
OCCASIONALLY TO 20 FT THIS AFTERNOON...SUBSIDING TO 4 TO 7 FT
OCCASIONALLY TO 9 FT TONIGHT AND WEDNESDAY MORNING.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...
11557 11652 11652 19752 11752 11742 11730 12820. HEAVY FREEZING
SPRAY TODAY AND EARLY THIS EVENING. CHANCE OF SNOW SHOWERS. WAVES
12 TO 16 FT OCCASIONALLY TO 20 FT THIS AFTERNOON...SUBSIDING TO 5
TO 8 FT OCCASIONALLY TO 10 FT TONIGHT...AND TO 4 TO 6 FT
OCCASIONALLY TO 8 FT WEDNESDAY MORNING.

$$

KJB




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