Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 301948
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
248 PM CDT MON MAR 30 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 TROUGH OF LOW PRESSURE OF 29.4 INCHES ACROSS QUEBEC
WILL PULL FURTHER AWAY FROM THE AREA TONIGHT WHILE A WEAK HIGH
PRESSURE RIDGE OF 30.0 INCHES OVER THE LAKE ALSO SHIFTS EAST. LOW
PRESSURE OF 29.7 INCHES WILL QUICKLY RACE FROM THE UPPER PLAINS TO
THE FAR SOUTHERN PART OF LAKE MICHIGAN OVERNIGHT AND TO THE
EASTERN GREAT LAKES BY TUESDAY MORNING. A WEAK TROUGH OF LOW
PRESSURE AVERAGING 29.9 INCHES WILL LINGER ACROSS THE CENTRAL
GREAT LAKES BEFORE A RIDGE OF HIGH PRESSURE OF 30.1 INCHES THEN
MOVES OVER THE LAKE LATE TUESDAY INTO TUESDAY NIGHT. A LARGE LOW
PRESSURE SYSTEM WITH A CENTRAL PRESSURE NEAR 29.3 INCHES WILL
DEVELOP ACROSS SOUTHERN CANADA WEDNESDAY AFTERNOON AND REACH
WESTERN ONTARIO WEDNESDAY NIGHT. THIS WILL BRING A COLD FRONT
ACROSS LAKE EARLY ON THURSDAY.

LMZ261-362-364-366-563-565-567-868-310345-
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-
248 PM CDT MON MAR 30 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...EAST WINDS 10 TO 15 KT BECOMING NORTHEAST 10 TO 20 KT.
SNOW OR RAIN LIKELY THIS EVENING...THEN CHANCE OF SNOW OVERNIGHT.
WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KT DIMINISHING TO 10 TO
15 KT. CHANCE OF SNOW OR RAIN IN THE MORNING. WAVES 2 TO 4 FT.
.TUESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.WEDNESDAY...EAST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO 20 KT.
WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.
.WEDNESDAY NIGHT...SOUTH WINDS 15 TO 25 KT INCREASING TO 30 KT.
CHANCE OF SHOWERS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT BUILDING
TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
.THURSDAY...SOUTHWEST WINDS TO 30 KT BECOMING WEST 10 TO 20 KT IN
THE AFTERNOON. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN
THE MORNING. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO
4 TO 6 FT OCCASIONALLY TO 8 FT.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST.
WAVES SUBSIDING 2 TO 4 FT.
.FRIDAY...NORTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST. WAVES 1 TO
3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-310345-
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-
248 PM CDT MON MAR 30 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...SOUTHWEST WINDS 10 TO 15 KT INCREASING TO 15 TO 25
KT...THEN BECOMING NORTH AFTER MIDNIGHT. CHANCE OF RAIN THIS
EVENING...THEN CHANCE OF RAIN OR SNOW OVERNIGHT. WAVES 1 TO 3 FT
BUILDING TO 2 TO 4 FT.
.TUESDAY...NORTH WINDS 10 TO 20 KT BECOMING VARIABLE AROUND 10 KT
IN THE AFTERNOON. SLIGHT CHANCE OF RAIN OR SNOW IN THE MORNING.
WAVES 2 TO 4 FT.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT BACKING TO
NORTHEAST. WAVES 1 TO 3 FT.
.WEDNESDAY...EAST WINDS 10 TO 15 KT BECOMING SOUTH 15 TO 25 KT.
WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.
.WEDNESDAY NIGHT...SOUTH WINDS TO 30 KT. CHANCE OF SHOWERS
OVERNIGHT. WAVES BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
.THURSDAY...SOUTHWEST WINDS TO 30 KT BECOMING WEST 10 TO 20 KT IN
THE AFTERNOON. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN
THE MORNING...THEN CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 4 TO
7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 2 TO 4 FT.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST.
WAVES 1 TO 3 FT.
.FRIDAY...NORTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
CHANCE OF SHOWERS. WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.

$$

LMZ761-310345-
MAFOR 3022/
MICHIGAN NORTH 12210 11220 13120 12110. CHANCE OF SNOW LATE THIS
EVENING. CHANCE OF SNOW OR RAIN. CHANCE OF SNOW TUESDAY. WAVES 1
TO 3 FT BUILDING TO 2 TO 4 FT TONIGHT AND TUESDAY.

MICHIGAN SOUTH 11510 11520 11530 11630 11830 12820 11910. CHANCE
OF RAIN THIS EVENING...THEN CHANCE OF RAIN OR SNOW LATE THIS
EVENING. WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT TONIGHT AND
TUESDAY.

$$


RODRIGUEZ


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