Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 191350
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
850 AM 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 29.7 INCHES CENTERED OVER CENTRAL
WISCONSIN...WILL MOVE ACROSS NORTHERN LAKE MICHIGAN THIS
AFTERNOON. THIS LOW WILL DISSIPATE OVER THE EASTERN LAKES
WEDNESDAY AND WEDNESDAY NIGHT. WEAK HIGH PRESSURE OF 30.1 INCHES
WILL MOVE ACROSS LAKE MICHIGAN THROUGH LATE WEEK WHILE A SERIES OF
LOW PRESSURE SYSTEMS MOVE FROM THE CENTRAL HIGH PLAINS
NORTHEASTWARD TO THE UPPER MISSISSIPPI RIVER VALLEY AND WESTERN
ONTARIO.

LMZ261-362-364-366-563-565-192130-
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-
850 AM CDT TUE AUG 19 2014

TWO RIVERS WI TO MANISTEE MI NORTH

.REST OF TODAY...SOUTH WINDS 10 TO 20 KT BECOMING WEST TO 10 TO
15 KT LATE IN THE AFTERNOON. SHOWERS AND THUNDERSTORMS. WAVES 3
TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KT DIMINISHING TO 5 TO 10 KT.
SLIGHT CHANCE OF SHOWERS. WAVES 1 TO 3 FT.
.WEDNESDAY...NORTHWEST WINDS 5 TO 10 KT BECOMING SOUTHWEST.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING...THEN SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO
2 FT.
.WEDNESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 2 FT OR LESS.
.THURSDAY...EAST WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FT OR LESS.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.FRIDAY...SOUTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.
.SATURDAY...SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-192130-
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-
850 AM CDT TUE AUG 19 2014

TWO RIVERS WI TO MANISTEE MI SOUTH

.REST OF TODAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST LATE.
SHOWERS AND THUNDERSTORMS LIKELY THIS MORNING...THEN CHANCE OF
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT.
.TONIGHT...WEST WINDS 10 TO 15 KT BECOMING NORTHWEST AROUND 10 KT
AFTER MIDNIGHT...AND THEN INCREASING TO 10 TO 15 KT LATE. SLIGHT
CHANCE OF SHOWERS. WAVES 1 TO 3 FT.
.WEDNESDAY...NORTHWEST WINDS 10 TO 15 KT BACKING TO SOUTH 5 TO
10 KT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
WAVES 1 TO 2 FT.
.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 2 FT OR LESS.
.THURSDAY...SOUTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.
.FRIDAY...SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.
.SATURDAY...SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.

$$
LMZ761-192130-
MAFOR 1915/
MICHIGAN NORTH 11429 11529 11619 11710 14700. CHANCE OF
THUNDERSTORMS LATE THIS MORNING AND WEDNESDAY MORNING. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT THIS AFTERNOON SUBSIDING TO 2 TO 4 FT.
WAVES 1 TO 3 FT TONIGHT. WAVES 1 TO 2 FT WEDNESDAY MORNING.

MICHIGAN SOUTH 11529 11529 11620 11610 11600 11700 12710. CHANCE
OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT THIS AFTERNOON. WAVES
1 TO 3 FT TONIGHT. WAVES 1 TO 2 FT WEDNESDAY MORNING.

$$

JEE




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