Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 280120
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
820 PM CDT THU AUG 27 2015

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 30.2 INCH HIGH CENTERED OVER THE EASTERN GREAT
LAKES WILL SHIFT TO OVER THE NORTHERN ATLANTIC COAST FRIDAY
AFTERNOON...BUT LINGER BACK TO THE WEST THROUGH THE WEEKEND.
MEANWHILE A 29.8 INCH LOW OVER THE CENTRAL PLAINS WILL DEEPEN TO
29.7 INCHES AS IT MOVES OVER IOWA FRIDAY AFTERNOON AND THEN PASSES
OVER CENTRAL LAKE MICHIGAN SATURDAY AFTERNOON INTO SATURDAY NIGHT.
THE LOW DISSIPATES OVER THE EASTERN GREAT LAKES SUNDAY. HIGH
PRESSURE WILL REBUILD OVER THE NORTHERN LAKES SUNDAY AND MERGE
WITH HIGH PRESSURE OF SIMILAR STRENGTH OVER THE EASTERN THIRD OF
THE COUNTRY FOR MOST OF NEXT WEEK. LOW PRESSURE OF 29.7 WILL
REMAIN JUST IN LEE OF THE ROCKIES DURING THIS TIME.

LMZ261-362-364-366-563-565-280930-
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-
820 PM CDT THU AUG 27 2015

TWO RIVERS WI TO MANISTEE MI NORTH

.REST OF TONIGHT...SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 2 TO 4 FT.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTHEAST.
CHANCE OF SHOWERS IN THE EVENING...THEN SHOWERS LIKELY OVERNIGHT.
WAVES 2 TO 4 FT.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KT BECOMING EAST 10 TO
15 KT. CHANCE OF SHOWERS. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...EAST WINDS 5 TO 10 KT BECOMING NORTHEAST. WAVES
1 TO 3 FT.
.SUNDAY...NORTH WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.SUNDAY NIGHT...EAST WINDS LESS THAN 10 KT BECOMING SOUTHEAST.
WAVES 1 FT OR LESS.
.MONDAY...SOUTH WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
.TUESDAY...SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
WAVES 1 TO 2 FT.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-280930-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 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 PENTWATER TO MANISTEE MI 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-
820 PM CDT THU AUG 27 2015

TWO RIVERS WI TO MANISTEE MI SOUTH

.REST OF TONIGHT...SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.FRIDAY...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHEAST LATE. SLIGHT
CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FT.
.FRIDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT. CHANCE OF SHOWERS IN
THE EVENING...THEN SHOWERS OVERNIGHT. WAVES 2 TO 4 FT.
.SATURDAY...SOUTHEAST WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT. SHOWERS LIKELY. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...NORTHEAST WINDS 5 TO 10 KT BECOMING NORTH.
CHANCE OF SHOWERS. WAVES 1 TO 3 FT.
.SUNDAY...NORTH WINDS 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...SOUTHEAST WINDS LESS THAN 10 KT INCREASING TO 5 TO
10 KT. WAVES 1 FT OR LESS.
.TUESDAY...SOUTH WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

$$
LMZ761-280930-
MAFOR 2803/
MICHIGAN NORTH 16520. CHANCE OF SHOWERS FRIDAY EVENING. WAVES 2
TO 4 FT.

MICHIGAN SOUTH 15410 11310 11320. CHANCE OF SHOWERS FRIDAY
EVENING. WAVES 1 TO 3 FT.

$$

BMD


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