Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 280733
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
233 AM CDT SUN SEP 28 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 SPREAD ACROSS THE GREAT
LAKES WILL WEAKEN AND BE PUSHED SOUTHWARD INTO MONDAY AS A COOL
FRONTAL BOUNDARY MOVES SOUTHWARD ACROSS LAKE SUPERIOR. HIGH
PRESSURE OF 30.4 INCHES WILL PUSH THE FRONT SOUTHWARD DOWN LAKE
MICHIGAN MONDAY AND MONDAY EVENING. HIGH PRESSURE RIDGING WILL
THEN BE IN PLACE ACROSS THE LAKE TUESDAY BEFORE IT MOVES OFF TO
THE EAST. ONE LOW PRESSURE SYSTEM WILL MOVE NORTHWARD ACROSS THE
NORTHERN HIGH PLAINS INTO WEDNESDAY WITH ANOTHER LOW DEVELOPING
ACROSS THE SOUTHERN PLAINS AND QUICKLY TRACKING NORTHEAST ACROSS
THE UPPER MISSISSIPPI RIVER VALLEY OR NORTHERN LAKE MICHIGAN
THURSDAY NIGHT.

LMZ261-362-364-366-563-565-567-868-281545-
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-
233 AM CDT SUN SEP 28 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...SOUTHWEST WINDS 5 TO 10 KT. PATCHY FOG THROUGH MID
MORNING. WAVES 1 FT OR LESS.
.TONIGHT...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS
OVERNIGHT. WAVES 1 TO 2 FT.
.MONDAY...WEST WINDS 10 TO 15 KT VEERING TO NORTH 20 TO 25 KT.
CHANCE OF SHOWERS. WAVES BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8
FT.
.MONDAY NIGHT...NORTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS IN THE
EVENING...THEN SLIGHT CHANCE OF SHOWERS OVERNIGHT. WAVES 4 TO
7 FT OCCASIONALLY TO 9 FT.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KT DIMINISHING TO AROUND 10
KT. WAVES SUBSIDING TO 2 TO 4 FT.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KT BECOMING SOUTHEAST. WAVES
SUBSIDING TO 1 TO 3 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT. SHOWERS AND THUNDERSTORMS
LIKELY. WAVES 2 TO 4 FT.


$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-281545-
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-
233 AM CDT SUN SEP 28 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...LIGHT AND VARIABLE WINDS BECOMING NORTHEAST 5 TO 10 KT.
PATCHY FOG THROUGH MID MORNING. WAVES 1 FT OR LESS.
.TONIGHT...NORTHEAST WINDS 5 TO 10 KT BECOMING SOUTHWEST. WAVES 1
FT OR LESS.
.MONDAY...SOUTHWEST WINDS 5 TO 10 KT VEERING TO NORTHWEST 15 TO
20 KT LATE IN THE AFTERNOON. CHANCE OF SHOWERS IN THE AFTERNOON.
WAVES 1 FT OR LESS BUILDING TO 1 TO 3 FT LATE.
.MONDAY NIGHT...NORTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS IN THE
EVENING...THEN SLIGHT CHANCE OF SHOWERS OVERNIGHT. WAVES BUILDING
TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
.TUESDAY...NORTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT BECOMING SOUTHEAST.
WAVES SUBSIDING TO 1 TO 3 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.

$$

LMZ761-281545-
MAFOR 2809/
MICHIGAN NORTH 11500 14500 13510. PATCHY FOG THROUGH MID MORNING.
WAVES 1 FT OR LESS TODAY AND 1 TO 2 FT TONIGHT.

MICHIGAN SOUTH 13900 13100 11900 11500. PATCHY FOG THROUGH MOD
MORNING. WAVES 1 FT OR LESS.

$$

MDB






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