Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 290103
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
803 PM CDT SUN MAY 28 2017

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 OF THE HIGHEST 1/3 OF THE WAVE, ALONG WITH THE
AVERAGE HEIGHT OF THE HIGHEST 10% OF THE WAVES WHICH WILL
OCCASIONALLY BE ENCOUNTERED.

.SYNOPSIS...BROAD LOW PRESSURE OF 29.6 INCHES OVER WESTERN
ONTARIO WILL REMAIN STATIONARY THROUGH MONDAY AND THEN SLOWLY
DRIFT NORTH AND REACH JAMES BAY WEDNESDAY MORNING. HIGH PRESSURE
OF 30.2 INCHES WILL BUILD OVER THE PLAINS TUESDAY NIGHT...SLIDE
SOUTH OF THE LAKE WEDNESDAY NIGHT...AND THEN REACH THE MID
ATLANTIC COAST THURSDAY AFTERNOON.

LMZ261-362-364-366-563-565-567-868-290930-
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-
803 PM CDT SUN MAY 28 2017

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST
AFTER MIDNIGHT. PATCHY FOG THIS EVENING. CHANCE OF SHOWERS AND
THUNDERSTORMS THIS EVENING. WAVES 1 TO 3 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT BY
EARLY AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS. WAVES 2 TO 4 FT.
.MONDAY NIGHT...SOUTHWEST WINDS 20 TO 25 KT. CHANCE OF SHOWERS IN
THE EVENING. WAVES 2 TO 4 FT.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.WEDNESDAY...WEST WINDS 10 TO 20 KT BECOMING SOUTHWEST. WAVES
1 TO 3 FT.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTHWEST WINDS 15 TO 25 KT. WAVES 2 TO 4 FT.
.FRIDAY...NORTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-290930-
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-
803 PM CDT SUN MAY 28 2017

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST BY
OVERNIGHT. SLIGHT CHANCE OF SHOWERS THIS EVENING. WAVES 1 TO 3
FT.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT BY
EARLY AFTERNOON. SLIGHT CHANCE OF SHOWERS IN THE MORNING...THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 3 FT.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.WEDNESDAY...WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTHWEST WINDS 15 TO 25 KT BECOMING SOUTH. CHANCE OF
SHOWERS. WAVES 2 TO 4 FT.
.FRIDAY...NORTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
CHANCE OF SHOWERS. WAVES 1 TO 3 FT.

$$
LMZ761-290930-
MAFOR 2903/
MICHIGAN NORTH 11420 14520 13530. CHANCE OF SHOWERS AND
THUNDERSTORMS THIS EVENING. WAVES 1 TO 3 FT TONIGHT AND 2 TO 4
FT MONDAY.

MICHIGAN SOUTH 11420 14520 12530 11620. CHANCE OF SHOWERS MONDAY
AFTERNOON. WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT MONDAY EVENING.

$$

MTF

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/LOT/GLFTABLE

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES



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