Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 170740
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
240 AM CDT FRI OCT 17 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 29.5 INCHES OVER NORTHERN WISCONSIN
WILL MOVE NORTHEAST TODAY AND BE ABSORBED BY STRONGER LOW
PRESSURE OF 29.3 INCHES OVER EASTERN QUEBEC. THIS COMBINED LOW
WILL CONTINUE NORTHEAST ACROSS QUEBEC TONIGHT AS IT DEEPENS TO
29.1 INCHES. A RIDGE OF HIGH PRESSURE OF 30.2 INCHES WILL BUILD
ACROSS MANITOBA AND THE NORTHERN PLAINS TONIGHT THEN MOVE SOUTH
ACROSS THE WESTERN LAKES SATURDAY...REACHING THE OHIO VALLEY ON
SUNDAY. LOW PRESSURE OF 29.7 INCHES WILL MOVE ACROSS THE UPPER
MIDWEST ON SUNDAY AND THEN ACROSS THE LAKES REGION SUNDAY NIGHT
AND MONDAY.

LMZ261-362-364-366-563-565-567-868-171400-
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-
240 AM CDT FRI OCT 17 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH SATURDAY
AFTERNOON...

.TODAY...WEST WINDS 10 TO 20 KT SHIFTING NORTH THIS MORNING...
THEN BECOMING NORTHWEST AND INCREASING TO 30 KT THIS AFTERNOON.
SHOWERS. WAVES 1 TO 3 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9
FT LATE.
.TONIGHT...NORTHWEST GALES TO 35 KT BECOMING NORTH. SHOWERS.
WAVES BUILDING TO 8 TO 12 FT OCCASIONALLY TO 15 FT.
.SATURDAY...NORTH GALES TO 35 KT DIMINISHING TO 30 KT IN THE
AFTERNOON. SHOWERS LIKELY IN THE MORNING. WAVES 8 TO 12 FT
OCCASIONALLY TO 15 FT SUBSIDING TO 6 TO 9 FT OCCASIONALLY TO 11
FT.
.SATURDAY NIGHT...NORTH WINDS 15 TO 25 KT BECOMING NORTHWEST 10
TO 15 KT OVERNIGHT. WAVES SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO
7 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST 10 TO
20 KT BY MORNING. CHANCE OF SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY
TO 8 FT.
.MONDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH 15 TO 25 KT.
CHANCE OF SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.TUESDAY...NORTHEAST WINDS 15 TO 25 KT. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-171400-
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-
240 AM CDT FRI OCT 17 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH SATURDAY
AFTERNOON...

.TODAY...SOUTHWEST WINDS 20 TO 25 KT BECOMING WEST THIS MORNING
AND INCREASING TO 30 KT THIS AFTERNOON. SHOWERS THIS AFTERNOON.
WAVES 3 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 5 TO 7 FT
OCCASIONALLY TO 9 FT LATE.
.TONIGHT...NORTHWEST GALES TO 35 KT. SHOWERS. WAVES BUILDING TO
8 TO 12 FT OCCASIONALLY TO 15 FT.
.SATURDAY...NORTH GALES TO 35 KT DIMINISHING TO 30 KT IN THE
AFTERNOON. SHOWERS IN THE MORNING. WAVES 8 TO 12 FT OCCASIONALLY
TO 15 FT SUBSIDING TO 7 TO 10 FT OCCASIONALLY TO 13 FT.
.SATURDAY NIGHT...NORTH WINDS 15 TO 25 KT BECOMING NORTHWEST
10 TO 15 KT OVERNIGHT. WAVES SUBSIDING TO 4 TO 6 FT OCCASIONALLY
TO 8 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS.
WAVES BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT OVERNIGHT.
.MONDAY...WEST WINDS 15 TO 25 KT BECOMING NORTHWEST. CHANCE OF
SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.TUESDAY...NORTH WINDS 15 TO 25 KT. WAVES 4 TO 6 FT OCCASIONALLY
TO 8 FT.

$$

LMZ761-171400-
MAFOR 1709/
MICHIGAN NORTH...GALE WARNING IN EFFECT...10510 11620 11826
11736 12746 11756 12856. WAVES 1 TO 3 FT BUILDING TO 4 TO 7 FT
OCCASIONALLY TO 9 FT LATE THIS AFTERNOON AND TO 8 TO 12 FT
OCCASIONALLY TO 15 FT TONIGHT.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...11530 12630 12646
13756. WAVES 3 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 5 TO 7
FT OCCASIONALLY TO 9 FT LATE THIS AFTERNOON AND TO 8 TO 12 FT
OCCASIONALLY TO 15 FT TONIGHT.

$$





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