Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 260807
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
307 AM CDT FRI MAY 26 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...LOW PRESSURE OF 29.4 INCHES OVER THE MID ATLANTIC
WILL MOVE NORTHEAST TO NEW ENGLAND TODAY. A WEAK RIDGE AVERAGING
29.8 INCHES WILL MOVE ACROSS LAKE MICHIGAN THIS MORNING. A WEAK
LOW OF 29.7 INCHES WILL MOVE ACROSS THE MID MISSISSIPPI VALLEY
TODAY AND THEN INTO THE OHIO VALLEY TONIGHT INTO SATURDAY MORNING.
LOW PRESSURE OF 29.7 INCHES WILL DEVELOP OVER THE SOUTHERN PLAINS
SATURDAY AND LIFT TO MICHIGAN EARLY SUNDAY. MEANWHILE...ANOTHER
LOW OF 29.5 INCHES WILL MOVE EAST ACROSS THE CANADIAN PRAIRIES
OVER THE WEEKEND. THE TWO LOWS WILL MERGE OVER ONTARIO LATE SUNDAY
THEN SLOWLY LIFT TO JAMES BAY MONDAY NIGHT INTO TUESDAY.

LMZ261-362-364-366-563-565-567-868-261530-
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-
307 AM CDT FRI MAY 26 2017

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...NORTHWEST WINDS AROUND 10 KT BACKING TO SOUTHWEST. AREAS
OF FOG THIS MORNING. SLIGHT CHANCE OF RAIN SHOWERS THIS
AFTERNOON. WAVES 1 TO 3 FT SUBSIDING TO 1 FT OR LESS.
.TONIGHT...SOUTHWEST WINDS 5 TO 10 KT BECOMING SOUTH. SLIGHT
CHANCE OF RAIN SHOWERS. WAVES 1 FT OR LESS.
.SATURDAY...SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
WAVES 1 FT OR LESS.
.SATURDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT BECOMING NORTHEAST.
CHANCE OF RAIN SHOWERS OVERNIGHT. WAVES 1 FT OR LESS.
.SUNDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. CHANCE
OF RAIN SHOWERS. WAVES 1 FT OR LESS.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT INCREASING TO 10 TO
20 KT. WAVES 1 TO 2 FT.
.MONDAY...WEST WINDS 10 TO 20 KT. CHANCE OF RAIN SHOWERS. WAVES
1 TO 3 FT.
.TUESDAY...WEST WINDS 10 TO 20 KT BECOMING SOUTHWEST. CHANCE OF
RAIN SHOWERS. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-261530-
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-
307 AM CDT FRI MAY 26 2017

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...NORTH WINDS 10 TO 15 KT BECOMING NORTHEAST 5 TO 10
KT THIS MORNING...THEN BECOMING EAST 10 TO 15 KT. PATCHY FOG IN
THE MORNING. CHANCE OF RAIN SHOWERS THIS AFTERNOON. WAVES 2 TO 4
FT SUBSIDING TO 1 TO 3 FT.
.TONIGHT...EAST WINDS 10 TO 15 KT BECOMING NORTHEAST. CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING... THEN
SLIGHT CHANCE OF SHOWERS OVERNIGHT. WAVES 1 TO 3 FT.
.SATURDAY...NORTHEAST WINDS 10 TO 15 KT BECOMING EAST 5 TO 10 KT.
WAVES 1 TO 2 FT.
.SATURDAY NIGHT...EAST WINDS 5 TO 10 KT BECOMING SOUTHEAST 10 TO
15 KT. CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 1 FT
OR LESS.
.SUNDAY...WEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES 1 FT
OR LESS.
.SUNDAY NIGHT...WEST WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 1 TO 2 FT BUILDING TO 1 TO 3 FT.
.MONDAY...WEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS. WAVES 1 TO
3 FT.
.TUESDAY...WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.

$$

LMZ761-261530-
MAFOR 2609/
MICHIGAN NORTH 12703 11500 12510 11500 12400. AREAS OF FOG THIS
MORNING. WAVES 1 TO 3 FT SUBSIDING TO 1 FT OR LESS.

MICHIGAN SOUTH 11810 11100 12300 13210 11110. PATCHY FOG IN
THE MORNING. CHANCE OF SHOWERS TODAY. CHANCE OF SHOWERS LATE
TONIGHT. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT TODAY. WAVES 1 TO
3 FT TONIGHT.

$$


RODRIGUEZ

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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