Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 200151
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
851 PM CDT TUE AUG 19 2014

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...LOW PRESSURE OF 29.6 INCHES OVER FAR NORTHERN LAKE
MICHIGAN WILL CONTINUE TO FILL AS IT MOVES SOUTHEAST ACROSS THE
EASTERN LAKES WEDNESDAY AND WEDNESDAY NIGHT. A TROUGH TRAILING
SOUTHWEST FROM THE FILLING LOW WILL MOVE ACROSS THE LAKE
OVERNIGHT. WEAK HIGH PRESSURE OF 30.1 INCHES WILL MOVE ACROSS
LAKE MICHIGAN THROUGH LATE THIS WEEK...WHILE A SERIES OF LOW
PRESSURE SYSTEMS MOVE FROM THE CENTRAL HIGH PLAINS NORTHEASTWARD
TO THE UPPER MISSISSIPPI RIVER VALLEY AND WESTERN ONTARIO.

LMZ261-362-364-366-563-565-200930-
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-
851 PM CDT TUE AUG 19 2014

TWO RIVERS WI TO MANISTEE MI NORTH

.REST OF TONIGHT...SOUTH WINDS 10 TO 15 KT BECOMING NORTHWEST 5
TO 10 KT. SHOWERS AND THUNDERSTORMS LIKELY LATE EVENING AND EARLY
OVERNIGHT. WAVES 1 TO 3 FT SUBSIDING TO AROUND 1 FT.
.WEDNESDAY...NORTHWEST WINDS 5 TO 10 KT BECOMING VARIABLE. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES AROUND 1 FT.
.WEDNESDAY NIGHT...VARIABLE WINDS 5 TO 10 KT BECOMING NORTHEAST.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 1 TO 2
FT.
.THURSDAY...EAST WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 FT OR LESS.
.THURSDAY NIGHT...EAST WINDS AROUND 10 KT BECOMING SOUTHEAST
10 TO 15 KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2
FT.
.FRIDAY AND FRIDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.SATURDAY...SOUTH WINDS AROUND 10 KT BECOMING SOUTHWEST AT NIGHT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.SUNDAY...SOUTHWEST WINDS AROUND 10 KT BECOMING WEST...AND THEN
NORTHWEST AT NIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES 1 TO 3 FT.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-200930-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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-
851 PM CDT TUE AUG 19 2014

TWO RIVERS WI TO MANISTEE MI SOUTH

.REST TONIGHT...SOUTH WINDS 10 TO 20 KT DIMINISHING TO 5 TO 10 KT
AND BECOMING NORTHWEST. SCATTERED THUNDERSTORMS THROUGH MIDNIGHT.
WAVES 2 TO 4 FT SUBSIDING TO 1 TO 2 FT.
.WEDNESDAY...NORTHWEST WINDS 5 TO 10 KT BACKING TO SOUTHEAST.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES
1 FT OR LESS.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SHOWERS
AND THUNDERSTORMS OVERNIGHT. WAVES 1 FT OR LESS.
.THURSDAY...SOUTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.FRIDAY NIGHT...SOUTH WINDS AROUND 10 KT BECOMING SOUTHWEST 10 TO
15 KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES AROUND 1 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.SUNDAY...SOUTH WINDS AROUND 10 KT BECOMING SOUTHWEST DURING THE
AFTERNOON AND THEN NORTHWEST 10 TO 15 KT OVERNIGHT. SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.

$$
LMZ761-200930-
MAFOR 2003/
MICHIGAN NORTH 11410 13700 14900. SHOWERS AND THUNDERSTORMS
THROUGH MIDNIGHT. WAVES 1 TO 3 FT SUBSIDING TO AROUND 1 FT
OVERNIGHT AND CONTINUING THROUGH WEDNESDAY EVENING.

MICHIGAN SOUTH 11420 19310 11600 13700 11500 12300. WAVES 2 TO 4
FT SUBSIDING TO 1 TO 2 FT OVERNIGHT AND TO 1 FT OR LESS WEDNESDAY
AND WEDNESDAY EVENING.

$$

RATZER




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