Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 240831
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
231 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 30.4 INCHES STRETCHES FROM THE
SOUTHERN PLAINS INTO THE UPPER OHIO VALLEY EARLY THIS MORNING AND WILL
SHIFT OVER THE ATLANTIC COAST LATER THIS MORNING. FARTHER NORTH...LOW
PRESSURE OF 29.3 INCHES WILL TRACK ACROSS NORTHERN ONTARIO THIS
MORNING...REACHING WESTERN QUEBEC BY TONIGHT. THIS FEATURE WILL
STEER A COLD FRONT ACROSS THE LAKE LATE THIS AFTERNOON. FOLLOWING
THIS SYSTEM...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.

LMZ261-362-364-366-563-565-567-868-241630-
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-
231 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...

.TODAY...SOUTHWEST GALES TO 40 KT WITH A FEW GUSTS TO 45 KT IN THE
MORNING...BECOMING NORTHWEST GALES TO 35 KT IN THE AFTERNOON.
HEAVY FREEZING SPRAY. SNOW SHOWERS. WAVES 12 TO 16 FT OCCASIONALLY
TO 20 FT.
.TONIGHT...NORTHWEST GALES TO 35 KT 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 4
TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT IN THE
AFTERNOON.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 20 KT. SLIGHT CHANCE OF SNOW
SHOWERS. WAVES 2 TO 4 FT 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

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-241630-
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-
231 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...

.TODAY...SOUTHWEST GALES TO 40 KT WITH A FEW GUSTS TO 45 KT EASING
TO 35 KT 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 DIMINISHING TO 15 TO 25 KT
AFTER MIDNIGHT...THEN DIMINISHING TO 10 TO 20 KT LATE. HEAVY
FREEZING SPRAY IN THE EVENING. CHANCE OF SNOW SHOWERS. WAVES 7 TO
10 FT OCCASIONALLY TO 13 FT.
.WEDNESDAY...NORTH WINDS 10 TO 20 KT. SLIGHT CHANCE OF SNOW
SHOWERS IN THE MORNING. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT
SUBSIDING TO 2 TO 4 FT IN THE AFTERNOON.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT. CHANCE OF SNOW
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT 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

$$

LMZ761-241630-
MAFOR 2410/
MICHIGAN NORTH...GALE WARNING IN EFFECT...
13557 19567 13757 19747 11747 11737. SNOW SHOWERS. HEAVY FREEZING SPRAY
THROUGH THIS EVENING. WAVES 12 TO 16 FT OCCASIONALLY TO 20 FT
TODAY. WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT THIS EVENING
SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT OVERNIGHT.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...
11552 12552 19562 11652 12752 19647 11742 11730. CHANCE OF SNOW
SHOWERS. HEAVY FREEZING SPRAY THROUGH THIS EVENING. WAVES 12 TO 16
FT OCCASIONALLY TO 20 FT TODAY. WAVES 7 TO 10 FT OCCASIONALLY TO
13 FT TONIGHT.

$$

KMD




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