Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 232040
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
240 PM CST SUN NOV 23 2014

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...LOW PRESSURE OF 29.4 INCHES OVER NORTHERN MINNESOTA
WILL MOVE TO WESTERN LAKE SUPERIOR THIS EVENING AS IT SLOWLY
WEAKENS. ANOTHER LOW OF 29.3 INCHES OVER EASTERN OKLAHOMA WILL
LIFT NORTHEAST TO NORTHERN ILLINOIS THIS EVENING. THE TWO LOWS
WILL MERGE OVER LAKE MICHIGAN OVERNIGHT AND BEGIN TO RAPIDLY
INTENSIFY...DEEPENING TO 28.8 INCHES AS IT NEARS THE MACKINAC
STRAITS MONDAY MORNING. THE LOW WILL TRACK NORTHEAST INTO QUEBEC
MONDAY NIGHT DEEPENING A BIT FARTHER TO 28.7 INCHES. WEAK HIGH
PRESSURE TRANSITS THE LAKE TUESDAY...FOLLOWED QUICKLY BY A 29.6
INCH LOW THAT WILL PASS OVER THE LAKE LATER WEDNESDAY. STRONG HIGH
PRESSURE AROUND 30.5 INCHES MOVES INTO THE NORTHERN PLAINS BEHIND
THIS LOW.

LMZ261-362-364-366-563-565-567-868-240300-
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-
240 PM CST SUN NOV 23 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

...GALE WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY
NIGHT...

.TONIGHT...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHEAST 10 TO 20
KT THIS EVENING...THEN SHIFTING SOUTHWEST TOWARD MORNING. AREAS
OF FOG. RAIN. WAVES 5 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO
2 TO 4 FT OVERNIGHT.
.MONDAY...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST TO 30 KT BY
EARLY AFTERNOON...THEN INCREASING TO GALES TO 35 KT LATE IN THE
AFTERNOON. RAIN IN THE MORNING...CHANGING TO SNOW IN THE
AFTERNOON. WAVES 2 TO 4 FT BUILDING TO 5 TO 8 FT OCCASIONALLY
TO 10 FT IN THE AFTERNOON.
.MONDAY NIGHT...NORTHWEST GALES TO 35 KT. SNOW SHOWERS. WAVES 6
TO 9 FT OCCASIONALLY TO 11 FT.
.TUESDAY...NORTHWEST WINDS TO 30 KT BECOMING WEST 15 TO 25 KT.
SNOW SHOWERS. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT SUBSIDING
TO 4 TO 7 FT OCCASIONALLY TO 9 FT IN THE AFTERNOON.
.TUESDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW. WAVES
4 TO 6 FT OCCASIONALLY TO 8 FT.
.WEDNESDAY NIGHT...WEST WINDS 15 TO 25 KT BECOMING NORTHWEST TO
30 KT. CHANCE OF SNOW. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.THURSDAY...NORTHWEST WINDS TO 30 KT BECOMING WEST 15 TO 25 KT
THURSDAY NIGHT. CHANCE OF SNOW SHOWERS. WAVES 5 TO 8 FT
OCCASIONALLY TO 10 FT.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW SHOWERS.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-240300-
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-
240 PM CST SUN NOV 23 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

...GALE WARNING IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY
NIGHT...

.TONIGHT...SOUTHEAST WINDS 15 TO 25 KT BECOMING SOUTHWEST 10 TO
20 KT OVERNIGHT. RAIN. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT
SUBSIDING TO 2 TO 4 FT OVERNIGHT.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST GALES TO 45
KT FROM LATE MORNING ON. RAIN IN THE MORNING...CHANGING TO SNOW
IN THE AFTERNOON. WAVES 2 TO 4 FT BUILDING TO 8 TO 12 FT
OCCASIONALLY TO 15 FT IN THE AFTERNOON.
.MONDAY NIGHT...WEST GALES TO 40 KT. SNOW SHOWERS. WAVES 10 TO
14 FT OCCASIONALLY TO 18 FT.
.TUESDAY...WEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT. SNOW
SHOWERS. WAVES SUBSIDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
.TUESDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW
SHOWERS. WAVES 3 TO 6 FT OCCASIONALLY TO 8 FT.
.WEDNESDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF SNOW. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT.
.WEDNESDAY NIGHT...WEST WINDS 15 TO 25 KT BECOMING NORTHWEST TO
30 KT. CHANCE OF SNOW. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.THURSDAY...NORTHWEST WINDS TO 30 KT BECOMING WEST 15 TO 25 KT
THURSDAY NIGHT. CHANCE OF SNOW SHOWERS. WAVES 5 TO 8 FT
OCCASIONALLY TO 10 FT.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW SHOWERS.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.

$$

LMZ761-240300-
MAFOR 2322/
MICHIGAN NORTH 11436 13326 11526 11636 11736 11747. AREAS OF FOG
TONIGHT. WAVES 5 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 2 TO
4 FT OVERNIGHT...THEN BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10
FT MONDAY AFTERNOON.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...13336 11426 12526
11646 19666 11667. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING
TO 2 TO 4 FT OVERNIGHT...THEN BUILDING TO 8 TO 12 FT OCCASIONALLY
TO 15 FT MONDAY AFTERNOON.

$$





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