Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 272001
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
301 PM CDT SAT AUG 27 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...A WEAK TROUGH OF LOW PRESSURE OF 29.9 INCHES WILL
MOVE FROM SOUTHWEST WISCONSIN TO NORTHERN LAKE MICHIGAN BY THIS
EVENING AND THEN TO EASTERN ONTARIO BY LATE TONIGHT. HIGH PRESSURE
OF 30.2 INCHES WILL MOVE ACROSS THE LAKE ON SUNDAY AND PERSIST
INTO THE DAY MONDAY. LOW PRESSURE OF 29.8 INCHES MOVING EAST
ACROSS NORTHERN ONTARIO ON MONDAY NIGHT INTO TUESDAY WILL SEND A
COLD FRONT ACROSS THE NORTHERN HALF OF THE LAKE ON TUESDAY. LARGE
HIGH PRESSURE OF 30.1 INCHES WILL THEN BUILD TOWARDS THE WESTERN
LAKES THROUGH MID WEEK.

LMZ261-362-364-366-563-565-567-868-280330-
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-
301 PM CDT SAT AUG 27 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...SOUTHEAST WINDS 10 TO 20 KT VEERING TO NORTHWEST 10 TO
15 KT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THIS EVENING...
THEN SLIGHT CHANCE OF SHOWERS OVERNIGHT. WAVES 1 TO 3 FT.
.SUNDAY...NORTHWEST WINDS 10 TO 15 KT BACKING TO SOUTHWEST. WAVES
1 TO 2 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KT BECOMING SOUTH. WAVES
1 FT OR LESS.
.MONDAY...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST. WAVES 1 TO
2 FT.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.TUESDAY...WEST WINDS 10 TO 15 KT BECOMING NORTHWEST. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.TUESDAY NIGHT...NORTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.WEDNESDAY...NORTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 1 TO 2 FT.
.THURSDAY...NORTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-280330-
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-
301 PM CDT SAT AUG 27 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...SOUTH WINDS AROUND 15 KT VEERING TO NORTHWEST 10 TO 15
KT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THIS EVENING...THEN
SLIGHT CHANCE OF SHOWERS OVERNIGHT. WAVES 2 TO 4 FT SUBSIDING TO
1 TO 3 FT.
.SUNDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING NORTHEAST 5 TO
10 KT. WAVES 1 TO 2 FT.
.SUNDAY NIGHT...NORTHEAST WINDS 5 TO 10 KT BECOMING EAST. WAVES
1 FT OR LESS.
.MONDAY...EAST WINDS 5 TO 10 KT BECOMING SOUTHEAST. WAVES 1 FT OR
LESS.
.MONDAY NIGHT...SOUTH WINDS 5 TO 10 KT BECOMING SOUTHWEST. CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 1 FT OR LESS.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 FT OR LESS.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.WEDNESDAY...NORTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY...NORTHEAST WINDS 10 TO 15 KT BECOMING NORTH 10 TO
20 KT. WAVES 1 TO 3 FT.

$$

LMZ761-280330-
MAFOR 2721/
MICHIGAN NORTH 11320 11310 11510 11610 12710 11600 11510. CHANCE
OF SHOWERS THIS EVENING. WAVES 1 TO 3 FT.

MICHIGAN SOUTH 12410 11510 11610 12710 12800. WAVES 2 TO 4 FT
SUBSIDING TO 1 TO 3 FT TONIGHT. WAVES 1 TO 2 FT SUNDAY.

$$


RODRIGUEZ

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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