Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 130613
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
113 AM CDT SUN JUL 13 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...HIGH PRESSURE OF 30.2 INCHES EXTENDS ACROSS THE
ATLANTIC COAST...WHILE A WEAK TROUGH OF LOW PRESSURE AVERAGING
29.9 INCHES AND FRONTAL BOUNDARY IS SITUATED OVER THE UPPER
MISSISSIPPI RIVER VALLEY AND CENTRAL PLAINS. THIS TROUGH AND
FRONTAL BOUNDARY WILL MOVE EAST THROUGH THE WESTERN GREAT LAKES
TONIGHT. A SECONDARY FRONT WILL MOVE SOUTHEAST THROUGH THE GREAT
LAKES REGION SUNDAY...WITH HIGH PRESSURE OF 30.1 INCHES THEN
EXPECTED TO BUILD OVER THE NORTHERN PLAINS SUNDAY NIGHT INTO
MONDAY.

LMZ261-362-364-366-563-565-567-868-131515-
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-
113 AM CDT SUN JUL 13 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST LATE
THIS EVENING THEN WEST OVERNIGHT. AREAS OF FOG. SHOWERS AND
THUNDERSTORMS LIKELY THROUGH THE EARLY OVERNIGHT...THEN SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS LATE. WAVES 1 TO 3 FT.
.SUNDAY...WEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
SLIGHT CHANCE OF SHOWERS THROUGH MID MORNING...THEN SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS LATE IN THE MORNING. WAVES 2 TO 4 FT.
.SUNDAY NIGHT...WEST WINDS 5 TO 10 KT. WAVES 1 TO 3 FT.
.MONDAY...NORTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS. WAVES
1 TO 3 FT.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS.
WAVES 2 TO 4 FT.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS IN THE
MORNING...THEN SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF
SHOWERS. WAVES 2 TO 4 FT.
.WEDNESDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING WEST 5 TO
10 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-131515-
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-
113 AM CDT SUN JUL 13 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...SOUTH WINDS 10 TO 15 KT VEERING TO WEST 10 TO
20 KT. AREAS OF FOG. SHOWERS AND THUNDERSTORMS THROUGH THE EARLY
OVERNIGHT...THEN CHANCE OF SHOWERS AND THUNDERSTORMS LATE. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS LATE. WAVES 1 TO 3 FT BUILDING
TO 2 TO 4 FT.
.SUNDAY...WEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS AD
THUNDERSTORMS. WAVES 1 TO 3 FT.
.SUNDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN SLIGHT CHANCE OF
SHOWERS OVERNIGHT. WAVES 1 TO 2 FT.
.MONDAY...WEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS IN THE
MORNING...THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 2 TO 4 FT.
.MONDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS IN
THE EVENING...THEN SLIGHT CHANCE OF SHOWERS OVERNIGHT. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS IN THE
MORNING...THEN SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES
4 TO 6 FT OCCASIONALLY TO 8 FT.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.WEDNESDAY...NORTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTHWEST WINDS 5 TO 10 KT BECOMING SOUTH. WAVES 1 TO
2 FT.

$$
LMZ761-131515-
MAFOR 1309 AMD/
MICHIGAN NORTH 11610 11620 12720 11610 11600 12500. PATCHY FOG EARLY
THIS MORNING. WAVES 2 TO 4 FT TODAY. WAVES 1 TO 3 FT TONIGHT.

MICHIGAN SOUTH 11620 11610 12600 11700 11710 12700. PATCHY FOG EARLY
THIS MORNING. WAVES 2 TO 4 FT TODAY. WAVES 1 TO 3 FT TONIGHT.

$$

BEACHLER



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