Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 250728
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
228 AM CDT SAT JUL 25 2015

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 NEAR HUDSON BAY WILL
REMAIN NEARLY STATIONARY THROUGH THE WEEKEND WHILE A TRAILING COLD
MOVES ACROSS THE LAKE THIS MORNING. WEAK HIGH PRESSURE OF 29.9
INCHES OVER THE NORTHERN PLAINS WILL BUILD INTO THE WESTERN LAKES
REGION THIS WEEKEND IN THE WAKE OF THE FRONT. THIS HIGH WILL
SLOWLY MOVE EAST TO THE MID ATLANTIC STATES BY TUESDAY AS ANOTHER
LOW PRESSURE OF 29.5 INCHES ORGANIZES OVER THE NORTHERN PLAINS
EARLY NEXT WEEK. THE LOW WILL TRACK NORTHEAST INTO ONTARIO BY
MIDWEEK WITH A TRAILING COLD FRONT LIKELY TO MOVE ACROSS THE LAKE
LATE WEDNESDAY OR THURSDAY.

LMZ261-362-364-366-563-565-567-868-251515-
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-
228 AM CDT SAT JUL 25 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...SOUTHWEST WINDS 10 TO 20 KT SHIFTING TO NORTHWEST 10 TO
15 KT THIS MORNING...THEN DECREASING AND BECOMING VARIABLE LESS
THAN 10 KT BY LATE AFTERNOON. SHOWERS AND THUNDERSTORMS ENDING
THIS MORNING. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 2 FT.
.TONIGHT...VARIABLE WINDS LESS THAN 10 KT BECOMING SOUTHWEST.
WAVES 1 FT OR LESS.
.SUNDAY THROUGH MONDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT.
WAVES 1 TO 3 FT.
.TUESDAY...SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 1 TO 3 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-251515-
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-
228 AM CDT SAT JUL 25 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...SOUTHWEST WINDS 10 TO 15 KT VEERING TO NORTH. SLIGHT
CHANCE OF A SHOWER OR THUNDERSTORM THIS MORNING. WAVES 1 TO 3 FT.
.TONIGHT...NORTH WINDS 10 TO 15 KT BECOMING NORTHEAST. WAVES 1 TO
2 FT.
.SUNDAY...EAST WINDS 5 TO 10 KT BECOMING VARIABLE LESS THAN 10
KT. WAVES 1 FT OR LESS.
.SUNDAY NIGHT...VARIABLE WINDS LESS THAN 10 KT BECOMING
SOUTHEAST. WAVES 1 FT OR LESS.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
WAVES AROUND 1 FT.
.MONDAY NIGHT...SOUTHEAST WINDS AROUND 10 KT BECOMING SOUTH.
WAVES 1 TO 2 FT.
.TUESDAY...SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.

$$

LMZ761-251515-
MAFOR 2509/
MICHIGAN NORTH 11520 12710 13900 12500. WAVES 2 TO 4 FT SUBSIDING
TO 1 TO 2 FT TODAY...SUBSIDING TO 1 FT OR LESS TONIGHT.

MICHIGAN SOUTH 12510 11710 13810 12110. WAVES 1 TO 2 FT TODAY AND
1 FT OR LESS TONIGHT.

$$

IZZI



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