Great Lakes Forecast
Issued by NWS

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214
FZUS63 KLOT 290758 AAA
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
252 AM CDT MON AUG 29 2016

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 OVER ONTARIO AND THE
WESTERN LAKES WILL MOVE SLOWLY EAST THROUGH TONIGHT. LOW PRESSURE OF
29.8 INCHES OVER NORTHERN SASKATCHEWAN WILL MOVE EAST ACROSS
NORTHERN ONTARIO TONIGHT INTO TUESDAY AND WILL SEND A COLD FRONT
ACROSS THE NORTHERN HALF OF THE LAKE ON TUESDAY AND TO THE
SOUTHERN TIP OF LAKE MICHIGAN BAY DAYBREAK WEDNESDAY. LARGE HIGH
PRESSURE OF 30.3 INCHES WILL BUILD TOWARDS THE WESTERN LAKES
THROUGH MIDWEEK THEN OVERSPREAD TO THE ENTIRE GREAT LAKES REGION
AND EASTERN CANADA LATE WEEK.

LMZ261-362-364-366-563-565-567-868-291515-
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-
252 AM CDT MON AUG 29 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTHWEST. AREAS OF
FOG THIS MORNING. WAVES 1 TO 2 FT.
.TONIGHT...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST 10 TO 15 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. WAVES 1 TO 3 FT.
.WEDNESDAY...NORTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY...NORTH WINDS 10 TO 20 KT. WAVES SUBSIDING TO 1 TO 3 FT.
.FRIDAY...SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTH. WAVES 1 TO
2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-291515-
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-
252 AM CDT MON AUG 29 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...EAST WINDS 5 TO 10 KT VEERING SOUTHEAST THEN BECOMING
VARIABLE THIS AFTERNOON. AREAS OF FOG THIS MORNING. WAVES 1 TO 2
FT.
.TONIGHT...EAST WINDS 5 TO 10 KT VEERING TO SOUTHWEST. WAVES 1 FT
OR LESS.
.TUESDAY...SOUTHWEST WINDS 5 TO 10 KT BECOMING SOUTH. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT VEERING TO NORTH.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT BUILDING TO
1 TO 3 FT.
.WEDNESDAY...NORTH WINDS 10 TO 20 KT INCREASING TO 30 KT IN THE
AFTERNOON. WAVES 1 TO 3 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO
7 FT.
.WEDNESDAY NIGHT...NORTH WINDS TO 30 KT BECOMING NORTHEAST 15 TO
25 KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.THURSDAY...NORTH WINDS 10 TO 20 KT. WAVES SUBSIDING TO 2 TO 4 FT.
.FRIDAY...EAST WINDS 5 TO 10 KT. WAVES 1 TO 3 FT.

$$

LMZ761-291515-
MAFOR 2909/
MICHIGAN NORTH 12303 11400 12500 12410 11510. WAVES 1 TO 3 FT.

MICHIGAN SOUTH 12203 11300 12900 11200 11300 11400. WAVES 1 FOOT
OR LESS.

$$

KMD

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/LOT/GLFTABLE (ALL LOWER CASE)

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



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