Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 140148
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
848 PM CDT SUN APR 13 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 WESTERN ILLINOIS...
WILL MOVE NORTHEAST ACROSS THE SOUTHERN END OF THE LAKE LATE
TONIGHT...THEN CONTINUE NORTHEAST INTO WESTERN QUEBEC MONDAY. A
RIDGE OF HIGH PRESSURE AVERAGING 30.2 INCHES WILL PASS OVER THE
LAKE TUESDAY EVENING. THE NEXT LOW BEGINS OVER SOUTHERN ALBERTA
MONDAY NIGHT...AND DEEPENS TO AROUND 29.5 INCHES AS IT MOVES OVER
THE PLAINS TUESDAY NIGHT. THIS LOW IS EXPECTED TO MOVE ACROSS THE
LAKES REGION LATER IN THE WEEK.

LMZ261-362-364-563-140800-
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 ROCK ISLAND PASSAGE TO STURGEON BAY WI-
848 PM CDT SUN APR 13 2014

STURGEON BAY WI TO POINT BETSIE MI NORTH

...GALE WARNING IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TONIGHT...NORTH WINDS TO 30 KT INCREASING TO GALES TO
35 KT. SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO
8 TO 11 FT OCCASIONALLY TO 14 FT FROM LATE EVENING ON.
.MONDAY...NORTH GALES TO 35 KT DIMINISHING TO 30 KT LATE. RAIN OR
SNOW LIKELY IN THE MORNING...THEN CHANCE OF RAIN OR SNOW IN THE
AFTERNOON. WAVES 10 TO 14 FT OCCASIONALLY TO 18 FT.
.MONDAY NIGHT...NORTH WINDS TO 30 KT EASING TO 20 TO 25 KT. CHANCE
OF SNOW SHOWERS IN THE EVENING...THEN SLIGHT CHANCE OF SNOW
SHOWERS OVERNIGHT. WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT
SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT LATE.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO AROUND 10 KT
AND BECOMING SOUTHWEST LATE. CHANCE OF SNOW SHOWERS. WAVES 4 TO 7
FT OCCASIONALLY TO 9 FT SUBSIDING TO 1 TO 3 FT LATE.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 15 KT. SLIGHT CHANCE OF SNOW
OVERNIGHT. WAVES 1 TO 3 FT.
.WEDNESDAY...SOUTHEAST WINDS 20 TO 25 KT. CHANCE OF SNOW. WAVES
BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
.WEDNESDAY NIGHT...SOUTHEAST WINDS TO 30 KT. CHANCE OF SNOW.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.THURSDAY...SOUTHEAST WINDS 15 TO 25 KT BECOMING NORTHEAST.
CHANCE OF RAIN OR SNOW. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT
SUBSIDING TO 2 TO 4 FT IN THE AFTERNOON.
.FRIDAY...EAST WINDS 10 TO 20 KT. CHANCE OF RAIN. WAVES 2 TO 4 FT.

WAVE FORECAST IS FOR ICE FREE AREAS

$$

LMZ366-565-567-669-671-673-868-870-872-874-140800-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
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 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 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-
848 PM CDT SUN APR 13 2014

STURGEON BAY WI TO POINT BETSIE MI SOUTH TO WIND POINT WI TO
HOLLAND MI

...GALE WARNING IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TONIGHT...NORTH WINDS TO 30 KT INCREASING TO GALES TO 40
KT OVERNIGHT. SHOWERS AND A CHANCE OF THUNDERSTORMS. AREAS OF FOG.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 10 TO 14 FT
OCCASIONALLY TO 18 FT OVERNIGHT.
.MONDAY...NORTH GALES TO 40 KT DIMINISHING TO 30 KT LATE. RAIN OR
SNOW LIKELY IN THE MORNING...THEN CHANCE OF RAIN OR SNOW IN THE
AFTERNOON. WAVES 12 TO 16 FT OCCASIONALLY TO 20 FT.
.MONDAY NIGHT...NORTH WINDS TO 30 KT. CHANCE OF SNOW SHOWERS IN
THE EVENING...THEN SLIGHT CHANCE OF SNOW SHOWERS OVERNIGHT. WAVES
10 TO 14 FT OCCASIONALLY TO 18 FT SUBSIDING TO 6 TO 9 FT
OCCASIONALLY TO 11 FT LATE.
.TUESDAY...NORTH WINDS 15 TO 25 KT BECOMING SOUTHWEST AROUND 10
KT. CHANCE OF SNOW SHOWERS. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT
SUBSIDING TO 2 TO 4 FT LATE.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 20 KT. SLIGHT CHANCE OF SNOW
OVERNIGHT. WAVES 2 TO 4 FT.
.WEDNESDAY...SOUTH WINDS TO 30 KT. SLIGHT CHANCE OF RAIN OR SNOW
IN THE MORNING...THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.WEDNESDAY NIGHT...SOUTH WINDS TO 30 KT. SLIGHT CHANCE OF RAIN.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.THURSDAY...SOUTHEAST WINDS 15 TO 25 KT BECOMING EAST. SLIGHT
CHANCE OF RAIN. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.FRIDAY...EAST WINDS 15 TO 20 KT. CHANCE OF RAIN. WAVES 2 TO 4 FT.

WAVE FORECAST IS FOR ICE FREE AREAS

$$

LMZ080-675-777-779-876-878-140800-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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 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-
848 PM CDT SUN APR 13 2014

WIND POINT WI TO HOLLAND MI SOUTH

...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY...
...GALE WARNING IN EFFECT FROM 3 AM CDT MONDAY THROUGH MONDAY
AFTERNOON...

.REST OF TONIGHT...NORTH WINDS 10 TO 20 KT BECOMING SOUTH 20 TO
25 KT THIS EVENING...THEN SHIFTING BACK NORTH AND INCREASING TO
GALES TO 35 KT BY DAYBREAK. AREAS OF DENSE FOG. SHOWERS AND A
CHANCE OF THUNDERSTORMS. WAVES 3 TO 6 FT OCCASIONALLY TO 8 FT
BUILDING TO 7 TO 10 FT OCCASIONALLY TO 13 FT OVERNIGHT.
.MONDAY...NORTH GALES TO 40 KT DIMINISHING TO 30 KT LATE. SHOWERS
LIKELY IN THE MORNING...THEN CHANCE OF RAIN OR SNOW IN THE
AFTERNOON. WAVES 12 TO 16 FT OCCASIONALLY TO 20 FT.
.MONDAY NIGHT...NORTH WINDS TO 30 KT. CHANCE OF SNOW SHOWERS.
WAVES 10 TO 14 FT OCCASIONALLY TO 18 FT SUBSIDING TO 7 TO 10 FT
OCCASIONALLY TO 13 FT LATE.
.TUESDAY...NORTH WINDS 15 TO 25 KT BECOMING NORTHEAST 10 TO
15 KT. CHANCE OF SNOW SHOWERS. WAVES 6 TO 9 FT OCCASIONALLY TO
11 FT.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.WEDNESDAY...SOUTH WINDS TO 30 KT. WAVES 4 TO 7 FT OCCASIONALLY
TO 9 FT.
.WEDNESDAY NIGHT...SOUTH WINDS 15 TO 25 KT. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT.
.THURSDAY...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHEAST. WAVES
SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...EAST WINDS 15 TO 20 KT BECOMING SOUTHEAST. CHANCE OF
RAIN. WAVES 2 TO 4 FT.

WAVE FORECAST IS FOR ICE FREE AREAS

$$
LMZ761-140800-
MAFOR 1403/
MICHIGAN NORTH...GALE WARNING IN EFFECT...11846 12856 12857
11850 12840. CHANCE OF THUNDERSTORMS TONIGHT. CHANCE OF RAIN OR
SNOW MONDAY AFTERNOON. CHANCE OF SNOW SHOWERS MONDAY EVENING.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 10 TO 14 FT
OCCASIONALLY TO 18 FT OVERNIGHT AND TO 12 TO 16 FT OCCASIONALLY
TO 20 FT MONDAY.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...12836 19436 13856
12850 11840. AREAS OF DENSE FOG TONIGHT. CHANCE OF THUNDERSTORMS
TONIGHT. CHANCE OF RAIN AND SNOW MONDAY AFTERNOON. CHANCE OF
SNOW SHOWERS MONDAY EVENING. WAVES 3 TO 6 FT OCCASIONALLY TO 8
FT BUILDING TO 7 TO 10 FT OCCASIONALLY TO 13 FT TONIGHT AND TO
12 TO 16 FT OCCASIONALLY TO 20 FT MONDAY.

$$





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