Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 310149
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
849 PM CDT SAT AUG 30 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 LIES AT THE NORTHERN TIP
OF LAKE MICHIGAN THIS EVENING AND WILL DRAG A COLD FRONT SOUTH ACROSS
THE LAKE...CLEARING THE SOUTH END OF LAKE MICHIGAN BY EARLY
SUNDAY. HIGH PRESSURE OF 30.0 INCHES WILL BRIEFLY BUILD OVER THE
NORTHERN LAKES BEHIND THE FRONT SUNDAY...WHILE ANOTHER LOW OF 29.5
INCHES DEVELOPS OVER THE NORTHERN PLAINS. THIS LOW WILL DEEPEN TO
29.1 INCHES AS IT REACHES HUDSON BAY TUESDAY...DRAGGING ANOTHER
COLD FRONT SOUTH ACROSS LAKE MICHIGAN MONDAY NIGHT. A 29.7 INCH
LOW WILL MOVE ACROSS THE CANADIAN PRAIRIES WEDNESDAY THROUGH
FRIDAY.

LMZ261-362-364-366-563-565-567-868-310945-
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-
849 PM CDT SAT AUG 30 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...NORTHWEST WINDS 10 TO 20 KT. SLIGHT CHANCE OF
SHOWERS MAINLY BEFORE MIDNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7
FT SUBSIDING TO 2 TO 4 FT LATE.
.SUNDAY...NORTHWEST WINDS 10 TO 15 KT BACKING TO SOUTH 5 TO
10 KT. WAVES SUBSIDING TO 1 TO 3 FT.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 20 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS OVERNIGHT. WAVES 2 TO 4 FT.
.MONDAY...SOUTH WINDS TO 30 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING...THEN SHOWERS AND THUNDERSTORMS
LIKELY IN THE AFTERNOON. WAVES BUILDING TO 4 TO 7 FT OCCASIONALLY
TO 9 FT.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST 10 TO
15 KT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 1 TO 3 FT LATE.
.TUESDAY...WEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.THURSDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-310945-
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-
849 PM CDT SAT AUG 30 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...SOUTHWEST WINDS 10 TO 20 KT BECOMING 10 TO 15
KT OVERNIGHT. WAVES 2 TO 4 FT.
.SUNDAY...SOUTHEAST WINDS AROUND 10 KT. WAVES 1 TO 3 FT.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.MONDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING...THEN SHOWERS AND THUNDERSTORMS
LIKELY IN THE AFTERNOON. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING NORTHWEST 10
TO 15 KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.TUESDAY...NORTHWEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. WAVES SUBSIDING TO 1 TO 3 FT.
.TUESDAY NIGHT...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. WAVES
1 TO 3 FT.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 2 TO 4 FT.
.THURSDAY...SOUTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.

$$
LMZ761-310945-
MAFOR 3103/
MICHIGAN NORTH 13720 11710 11700 11500 12410. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT SUBSIDING TO 1 TO 3 FT SUNDAY.

MICHIGAN SOUTH 11520 12510 19810 13300 12420 WAVES 2 TO 4 FT OVERNIGHT
SUBSIDING TO 1 TO 3 FT ON SUNDAY.

$$

KMD





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