Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 260829 CCA
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN...CORRECTED
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
329 AM CDT SUN MAR 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 29.8 INCHES OVER THE MID MISSISSIPPI
VALLEY WILL SLOWLY MOVE INTO NORTHERN ILLINOIS TODAY AND THEN LAKE
MICHIGAN THIS EVENING. A SECOND AREA OF LOW PRESSURE OF 29.6
INCHES IS EXPECTED TO DEVELOP OVER THE SOUTHERN PLAINS TODAY AND
TONIGHT AND TRACK EAST TO THE MIDDLE MISSISSIPPI VALLEY MONDAY
AFTERNOON...THEN REACH THE OHIO VALLEY MONDAY NIGHT INTO TUESDAY
AT 29.8 INCHES. HIGH PRESSURE AVERAGING 30.3 INCHES WILL BUILD
ACROSS THE GREAT LAKES REGION TUESDAY AND WEDNESDAY.

LMZ261-362-364-366-563-565-567-868-262030-
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-
329 AM CDT SUN MAR 26 2017

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...EAST WINDS 15 TO 25 KT BECOMING NORTHEAST 10 TO 20 KT.
RAIN SHOWERS LIKELY WITH SLIGHT CHANCE OF LIGHT FREEZING RAIN
THIS MORNING...THEN RAIN SHOWERS LIKELY THIS AFTERNOON. WAVES
4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.TONIGHT...NORTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO 1 TO 3 FT.
.MONDAY...NORTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 1 TO 3 FT.
.MONDAY NIGHT...NORTH WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. CHANCE OF LIGHT FREEZING RAIN. WAVES BUILDING TO
2 TO 4 FT.
.TUESDAY...NORTH WINDS 15 TO 25 KT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.
.TUESDAY NIGHT...NORTH WINDS 15 TO 25 KT BECOMING NORTHEAST.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. WAVES 1 TO 3 FT.
.THURSDAY...EAST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-262030-
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-
329 AM CDT SUN MAR 26 2017

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...EAST WINDS 15 TO 25 KT BECOMING SOUTHEAST 10 TO 20 KT
THIS MORNING...THEN BECOMING SOUTH 10 TO 15 KT THIS AFTERNOON.
AREAS OF FOG. RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
THIS MORNING...THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS THIS AFTERNOON. WAVES 4 TO 7 FT OCCASIONALLY TO 9
FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TONIGHT...WEST WINDS 10 TO 15 KT BECOMING NORTHWEST. CHANCE OF
RAIN SHOWERS IN THE EVENING. PATCHY FOG. WAVES 2 TO 4 FT.
.MONDAY...NORTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
CHANCE OF RAIN IN THE AFTERNOON. WAVES 1 TO 3 FT.
.MONDAY NIGHT...NORTH WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. CHANCE OF RAIN IN THE EVENING. WAVES 2 TO 4 FT BUILDING TO
3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...NORTH WINDS 15 TO 25 KT. WAVES 4 TO 6 FT OCCASIONALLY
TO 8 FT.
.TUESDAY NIGHT...NORTH WINDS 15 TO 25 KT BECOMING NORTHEAST.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. WAVES 2 TO 4 FT.
.THURSDAY...EAST WINDS 15 TO 25 KT. CHANCE OF RAIN. WAVES 2 TO
4 FT.

$$

LMZ761-262030-
MAFOR 2609/
MICHIGAN NORTH 13236 11226 11126 11826 12810. CHANCE OF RAIN
SHOWERS TONIGHT. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING
TO 3 TO 5 FT OCCASIONALLY TO 7 FT TODAY. WAVES SUBSIDING TO 1 TO
3 FT TONIGHT.

MICHIGAN SOUTH 11236 12326 11316 11410 12610 11710. AREAS OF FOG.
CHANCE OF RAIN SHOWERS LATE TONIGHT. WAVES 4 TO 7 FT OCCASIONALLY
TO 9 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT TODAY. WAVES
2 TO 4 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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