Great Lakes Forecast
Issued by NWS

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762
FZUS63 KLOT 290753
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
253 AM CDT MON MAY 29 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 29.5 INCHES OVER WESTERN
ONTARIO WILL REMAIN STATIONARY TODAY 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. A COLD FRONT WILL SHIFT SOUTH ACROSS
LAKE MICHIGAN LATE FRIDAY.

LMZ261-362-364-366-563-565-567-868-291530-
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-
253 AM CDT MON MAY 29 2017

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...SOUTHWEST WINDS 10 TO 15 KT INCREASING TO 15 TO 25 KT.
SLIGHT CHANCE OF SHOWERS THIS MORNING...THEN CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS THIS AFTERNOON. WAVES BUILDING
TO 2 TO 4 FT.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KT. SLIGHT CHANCE OF RAIN
SHOWERS. 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 2 TO 4 FT.
.THURSDAY...SOUTHWEST WINDS 15 TO 25 KT. WAVES 2 TO 4 FT.
.FRIDAY...WEST WINDS 10 TO 15 KT VEERING TO NORTH. WAVES 1 TO
2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-291530-
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-
253 AM CDT MON MAY 29 2017

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...SOUTHWEST WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS THIS AFTERNOON. WAVES 1 TO 3 FT BUILDING TO 2 TO
4 FT LATE.
.TONIGHT...WEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 TO 3 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 10 TO 20 KT. WAVES 2 TO 4 FT.
.FRIDAY...WEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES 1 TO
2 FT.

$$

LMZ761-291530-
MAFOR 2909/
MICHIGAN NORTH 12510 11520 12530 13520. CHANCE OF SHOWERS. WAVES
1 TO 3 FT BUILDING TO 2 TO 4 FT LATE THIS AFTERNOON AND TONIGHT.

MICHIGAN SOUTH 13520 11530 11630 13620. CHANCE OF SHOWERS LATE
TONIGHT. WAVES 2 TO 4 FT.

$$


KMD

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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