Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 250719
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
219 AM CDT THU AUG 25 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...LOW PRESSURE OF 29.5 INCHES OVER WESTERN QUEBEC IS
PUSHING A WEAK COLD FRONT OVER THE LAKE EARLY THIS MORNING. HIGH
PRESSURE NEAR 30.2 INCHES WILL TO SPREAD ACROSS THE WESTERN LAKES
REGION BY FRIDAY EVENING.

LMZ261-362-364-366-563-565-567-868-251530-
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-
219 AM CDT THU AUG 25 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST 10 TO 20 KT
THIS AFTERNOON. WAVES 2 TO 4 FT.
.TONIGHT...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST. WAVES 2 TO
4 FT.
.FRIDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING WEST. WAVES 1 TO
3 FT SUBSIDING TO 1 TO 2 FT.
.FRIDAY NIGHT...SOUTHEAST WINDS LESS THAN 10 KT INCREASING TO
10 TO 15 KT OVERNIGHT. WAVES 1 FT OR LESS.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KT. SHOWERS LIKELY. WAVES
1 TO 3 FT.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST
10 TO 15 KT. SHOWERS WITH A CHANCE OF THUNDERSTORMS. WAVES 1 TO
3 FT.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES 1 TO 3 FT.
.MONDAY...NORTHEAST WINDS 5 TO 10 KT BACKING TO SOUTHWEST. WAVES
1 FT OR LESS.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-251530-
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-
219 AM CDT THU AUG 25 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING NORTHWEST 10 TO 15
KT THIS MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS THIS
MORNING...THEN SLIGHT CHANCE OF SHOWERS THIS AFTERNOON. WAVES 1 TO
3 FT.
.TONIGHT...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST. WAVES 1 TO
2 FT BUILDING TO 2 TO 4 FT.
.FRIDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING NORTHEAST. WAVES
2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
.FRIDAY NIGHT...EAST WINDS 5 TO 10 KT INCREASING TO 10 TO 20 KT
OVERNIGHT. WAVES 1 TO 2 FT.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH. CHANCE OF
SHOWERS. WAVES 1 TO 3 FT.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST
10 TO 15 KT. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS. WAVES
1 TO 3 FT.
.SUNDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH 5 TO 10 KT.
WAVES 1 TO 3 FT.
.MONDAY...NORTHEAST WINDS 5 TO 10 KT BECOMING NORTH. WAVES 1 TO
2 FT.

$$

LMZ761-251530-
MAFOR 2509/
MICHIGAN NORTH 14610 11520 11620 12720. WAVES 2 TO 4 FT.

MICHIGAN SOUTH 10520 12610 13710 11610 11620 11720. CHANCE OF
SHOWERS AND THUNDERSTORMS THIS MORNING. WAVES 1 TO 3 FT TODAY.
WAVES BUILDING TO 2 TO 4 FT TONIGHT.

$$


KJB

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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