Storm Warning 2, NWS Chicago, IL

065 
WHUS73 KLOT 270915
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
415 AM CDT SUN SEP 27 2009

...GALE WARNING IN EFFECT FOR ALL OF LAKE MICHIGAN FROM LATE
SUNDAY THROUGH TUESDAY AFTERNOON...

.RAPIDLY INTENSIFYING LOW PRESSURE MOVING INTO WESTERN ONTARIO
EARLY THIS MORNING WILL CONTINUE DEEPENING AS IT MOVES SOUTHEAST
TO NEAR WHITEFISH BAY BY MONDAY MORNING. THE SIGNIFICANT
INTENSIFICATION OF THIS STORM SYSTEM IS LIKELY TO PRODUCE
SOUTHWEST WINDS APPROACHING GALE FORCE LAKE MICHIGAN BY LATE
SUNDAY...ESPECIALLY ON THE NORTH HALF OF THE LAKE.

A COLD FRONT ASSOCIATED WITH THIS STORM WILL SWEEP ACROSS LAKE
MICHIGAN THIS EVENING...BRINGING THE FIRST SIGNIFICANT SURGE OF
VERY COOL AIR THIS FALL SEASON. FOLLOWING THE FRONTAL PASSAGE
WEST TO NORTHWEST WINDS WILL INCREASE TO STORM FORCE TONIGHT.

LMZ740>745-271715-
/O.CON.KLOT.SC.Y.0077.090927T1600Z-090928T0200Z/
/O.CON.KLOT.GL.W.0025.090928T0200Z-090929T2100Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
415 AM CDT SUN SEP 27 2009

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 9 PM CDT THIS EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 4 PM
CDT TUESDAY...

A GALE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 4 PM
CDT TUESDAY. A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM
THIS MORNING TO 9 PM CDT THIS EVENING. 

SOUTHWEST WINDS WILL INCREASE TO 30 KT BY THIS AFTERNOON ACROSS
THE INDIANA AND ILLINOIS NEARSHORE WATERS.

A STRONG COLD FRONT WILL MOVE ACROSS LAKE MICHIGAN THIS EVENING.
GALE FORCE WINDS TO 45 KT WILL DEVELOP BEHIND THIS FRONT 
TONIGHT...AND CONTINUE THROUGH MONDAY NIGHT. WINDS WILL START TO
GRADUALLY DIMINISH TUESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPER EQUIPMENT. IT IS HIGHLY RECOMMENDED THAT
MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO
THE ONSET OF GALE CONDITIONS.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 22 TO 33 KNOTS
AND/OR WAVES 4 FEET OR GREATER ARE EXPECTED TO PRODUCE HAZARDOUS
WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...
ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID
NAVIGATING IN THESE CONDITIONS.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-271715-
/O.CON.KLOT.SR.W.0002.090928T0200Z-090929T2100Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
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 TOW 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-
415 AM CDT SUN SEP 27 2009

...STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 4 PM
CDT TUESDAY...

A STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 4 PM
CDT TUESDAY. 

SOUTHWEST WINDS AHEAD OF AN APPROACHING STRONG COLD FRONT WILL
INCREASE TO NEAR GALE FORCE THIS AFTERNOON. AFTER THE COLD FRONT
PASSES TONIGHT...WEST TO NORTHWEST WINDS WILL INCREASE TO STORM
FORCE. THESE 50 TO 55 KNOT WINDS ARE EXPECTED TO PERSIST THROUGH
MONDAY NIGHT BEFORE THEY START TO GRADUALLY DIMINISH TUESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$

109 
WHUS73 KLOT 271451
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
951 AM CDT SUN SEP 27 2009

...STORM WARNING FOR THE OPEN WATERS OF LAKE MICHIGAN...

.RAPIDLY INTENSIFYING STRONG LOW PRESSURE OVER WESTERN ONTARIO...
WILL CONTINUE TO DEEPEN AS IT MOVES SOUTHEAST TO NORTHERN LAKE 
HURON MONDAY MORNING. THE SIGNIFICANT INTENSIFICATION OF THIS
STORM SYSTEM IS LIKELY TO PRODUCE SOUTHWEST WINDS APPROACHING 
GALE FORCE OVER NORTHERN LAKE MICHIGAN THIS AFTERNOON INTO THIS 
EVENING. A COLD FRONT ASSOCIATED WITH THIS STORM WILL SWEEP 
ACROSS LAKE MICHIGAN THIS EVENING...BRINGING THE FIRST 
SIGNIFICANT SURGE OF COLDER AIR THIS FALL SEASON. FOLLOWING THE 
FRONTAL PASSAGE...WEST TO NORTHWEST WINDS WILL INCREASE TO STORM
FORCE TONIGHT.

LMZ740>745-272300-
/O.CON.KLOT.SC.Y.0077.090927T1600Z-090928T0200Z/
/O.CON.KLOT.GL.W.0025.090928T0200Z-090929T2100Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
951 AM CDT SUN SEP 27 2009

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 4 PM
CDT TUESDAY...

A GALE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 4 PM
CDT TUESDAY. A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM
CDT THIS EVENING. 

SOUTHWEST WINDS WILL INCREASE TO 30 KT BY THIS AFTERNOON ACROSS
THE INDIANA AND ILLINOIS NEARSHORE WATERS.

A STRONG COLD FRONT WILL MOVE ACROSS LAKE MICHIGAN THIS EVENING.
GALE FORCE WINDS TO 45 KT WILL DEVELOP BEHIND THIS FRONT
TONIGHT...AND CONTINUE THROUGH MONDAY NIGHT. WINDS WILL BEGIN TO
GRADUALLY DIMINISH TUESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPER EQUIPMENT. IT IS HIGHLY RECOMMENDED THAT
MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO
THE ONSET OF GALE CONDITIONS.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 22 TO 33 KNOTS
AND/OR WAVES 4 FEET OR GREATER ARE EXPECTED TO PRODUCE HAZARDOUS
WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...
ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID
NAVIGATING IN THESE CONDITIONS.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-272300-
/O.CON.KLOT.SR.W.0002.090928T0200Z-090929T2100Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
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 TOW 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-
951 AM CDT SUN SEP 27 2009

...STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 4 PM
CDT TUESDAY...

A STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 4 PM
CDT TUESDAY. 

SOUTHWEST WINDS AHEAD OF AN APPROACHING STRONG COLD FRONT WILL
INCREASE TO NEAR GALE FORCE THIS AFTERNOON. AFTER THE COLD FRONT
PASSES THIS EVENING...WEST TO NORTHWEST WINDS WILL INCREASE TO
STORM FORCE. THESE 50 TO 55 KT WINDS ARE EXPECTED TO PERSIST
THROUGH MONDAY NIGHT BEFORE THEY BEGIN TO GRADUALLY DIMINISH
TUESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$

480 
WHUS73 KLOT 272101
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
401 PM CDT SUN SEP 27 2009

...STORM WARNING FOR THE OPEN WATERS OF LAKE MICHIGAN...

.A RAPIDLY INTENSIFYING LOW PRESSURE CENTER NOW LOCATED JUST
NORTHWEST OF LAKE SUPERIOR...WILL MOVE SOUTHEASTWARD TO NORTHERN LAKE
HURON MONDAY MORNING. THE SIGNIFICANT INTENSIFICATION OF THIS
STORM SYSTEM HAS PRODUCED SOUTHWEST WINDS APPROACHING GALE FORCE
OVER NORTHERN LAKE MICHIGAN THIS AFTERNOON. THESE WINDS WILL
CONTINUE THIS EVENING AHEAD OF A STRONG COLD FRONT APPROACHING THE
LAKE FROM THE WEST. AS THE FRONT SWEEPS ACROSS THE LAKE BETWEEN 7
PM AND 11 PM CDT THIS EVENING...WINDS WILL BECOME WESTERLY AND
INCREASE TO STORM FORCE OVERNIGHT. GUSTS IN EXCESS OF 50 KNOTS CAN
BE EXPECTED AS A SIGNIFICANT SURGE OF COLD AIR OVERSPREADS THE
WESTERN GREAT LAKES TONIGHT AND MONDAY.

LMZ740>745-280515-
/O.CON.KLOT.SC.Y.0077.000000T0000Z-090928T0200Z/
/O.CON.KLOT.GL.W.0025.090928T0200Z-090929T2100Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
401 PM CDT SUN SEP 27 2009

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 4 PM
CDT TUESDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM
CDT THIS EVENING. 
A GALE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 4 PM
CDT TUESDAY. 

SOUTHWEST WINDS TO 30 KT WILL PERSIST THROUGH EARLY THIS EVENING. 

A STRONG COLD FRONT WILL SWEEP ACROSS LAKE MICHIGAN LATER THIS
EVENING BRINGING GALE FORCE WEST WINDS TO 45 KT...THAT ARE
EXPECTED TO CONTINUE THROUGH MONDAY NIGHT. WINDS WILL BEGIN TO
GRADUALLY DIMINISH TUESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPER EQUIPMENT. IT IS HIGHLY RECOMMENDED THAT
MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO
THE ONSET OF GALE CONDITIONS.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 22 TO 33 KNOTS
AND/OR WAVES 4 FEET OR GREATER ARE EXPECTED TO PRODUCE HAZARDOUS
WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...
ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID
NAVIGATING IN THESE CONDITIONS.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-280515-
/O.CON.KLOT.SR.W.0002.090928T0200Z-090929T2100Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
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 TOW 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-
401 PM CDT SUN SEP 27 2009

...STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 4 PM
CDT TUESDAY...

A STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 4 PM
CDT TUESDAY. 

SOUTHWEST WINDS NEAR GALE FORCE WILL CONTINUE EARLY THIS EVENING AHEAD
OF AN APPROACHING COLD FRONT. AFTER THIS FRONT PASSES THIS
EVENING...WEST TO NORTHWEST WINDS WILL INCREASE TO STORM FORCE.
THESE WINDS...GUSTING AT TIMES TO 55 KT...ARE EXPECTED TO PERSIST
THROUGH MONDAY NIGHT BEFORE THEY BEGIN TO GRADUALLY DIMINISH DURING
TUESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$

MERZLOCK

279 
WHUS73 KLOT 280253
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
953 PM CDT SUN SEP 27 2009

...STORM WARNING FOR THE OPEN WATERS OF LAKE MICHIGAN...

.A RAPIDLY INTENSIFYING LOW PRESSURE CENTER NOW LOCATED JUST
NORTH OF LAKE SUPERIOR...WILL MOVE SOUTHEASTWARD TO NORTHERN LAKE
HURON BY MONDAY MORNING. A POWERFUL COLD FRONT NOW SWEEPING ACROSS
LAKE MICHIGAN WILL SHIFT WINDS TO WEST WITH WIND SPEED INCREASING
TO STORM FORCE BY EARLY MONDAY. GUSTS IN EXCESS OF 50 KNOTS CAN
BE EXPECTED AS A SIGNIFICANT SURGE OF COLD AIR OVERSPREADS THE
WESTERN GREAT LAKES LATE TONIGHT AND MONDAY.

LMZ740>745-281100-
/O.CON.KLOT.GL.W.0025.000000T0000Z-090929T2100Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
953 PM CDT SUN SEP 27 2009

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CDT TUESDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CDT TUESDAY. 

A STRONG COLD FRONT WILL SWEEP ACROSS SOUTHERN LAKE MICHIGAN
BY MIDNIGHT TONIGHT...BRINGING GALE FORCE WEST WINDS TO 45
KT...THAT ARE EXPECTED TO CONTINUE THROUGH MONDAY NIGHT. WINDS
WILL BEGIN TO GRADUALLY DIMINISH TUESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPER EQUIPMENT. IT IS HIGHLY RECOMMENDED THAT
MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO
THE ONSET OF GALE CONDITIONS.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 22 TO 33 KNOTS
AND/OR WAVES 4 FEET OR GREATER ARE EXPECTED TO PRODUCE HAZARDOUS
WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...
ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID
NAVIGATING IN THESE CONDITIONS.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-281100-
/O.CON.KLOT.SR.W.0002.000000T0000Z-090929T2100Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
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 TOW 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-
953 PM CDT SUN SEP 27 2009

...STORM WARNING REMAINS IN EFFECT UNTIL 4 PM CDT TUESDAY...

A STORM WARNING REMAINS IN EFFECT UNTIL 4 PM CDT TUESDAY. 

A STRONG COLD FRONT IS NOW PASSING ACROSS LAKE MICHIGAN. IN ITS
WAKE...WEST TO NORTHWEST WINDS WILL INCREASE TO STORM FORCE BY
EARLY MONDAY. THESE WINDS...GUSTING AT TIMES TO 55 KT...ARE 
EXPECTED TO PERSIST THROUGH MONDAY NIGHT BEFORE THEY BEGIN TO
GRADUALLY DIMINISH DURING TUESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$

MERZLOCK

489 
WHUS73 KLOT 280901
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
401 AM CDT MON SEP 28 2009

...STORM WARNING FOR THE OPEN WATERS OF LAKE MICHIGAN...

.A DEEP LOW PRESSURE CENTER LOCATED JUST NORTH OF LAKE SUPERIOR
EARLY THIS MORNING WILL MOVE SOUTHEASTWARD TO NORTHERN LAKE HURON
TODAY. THE POWERFUL COLD FRONT THAT IT SWEPT ACROSS LAKE MICHIGAN
LAST NIGHT BROUGHT A SIGNIFICANT SURGE OF COOL AIR TO THE REGION.
A REINFORCING SURGE OF VERY COOL AIR WILL SPREAD SOUTH-SOUTHEAST
ACROSS THE UPPER MIDWEST AND WESTERN GREAT LAKES LATER TODAY AND
TONIGHT. THE 45 TO 55 KNOT WINDS CIRCULATING ALOFT AROUND THE
STRONG STRONG SYSTEM WILL BE EFFICIENTLY MIXED ALL THE WAY DOWN TO
THE LAKE SURFACE AS THE VERY COOL AIR OVER WARM LAKE WATERS IS A
VERY UNSTABLE CONDITION. THE LOW PRESSURE GRADUALLY WEAKENS AND
MOVES OFF TO THE EAST AND NORTHEAST ACROSS QUEBEC BY TUESDAY. AS A
RESULT WINDS WILL SLOWLY DIMINISH...AND ARE EXPECTED TO DROP
BELOW STORM FORCE LATE TONIGHT...AND TO BELOW GALE FORCE DURING
TUESDAY NIGHT.


LMZ740>745-281715-
/O.CON.KLOT.GL.W.0025.000000T0000Z-090929T2100Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
401 AM CDT MON SEP 28 2009

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CDT TUESDAY...

A GALE WARNING REMAINS IN EFFECT.

THERE WILL BE WEST TO NORTHWEST STRONG GALES TO 45 KNOTS 
TODAY...PERSISTING THROUGH TONIGHT. THE WINDS WILL THEN BEGIN TO
GRADUALLY DIMINISH TUESDAY AND WILL DROP BELOW GALE FORCE BY LATE
TUESDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPER EQUIPMENT. IT IS HIGHLY RECOMMENDED THAT
MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO
THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-281715-
/O.CON.KLOT.SR.W.0002.000000T0000Z-090929T2100Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
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 TOW 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-
401 AM CDT MON SEP 28 2009

...STORM WARNING REMAINS IN EFFECT UNTIL 4 PM CDT TUESDAY...

A STORM WARNING REMAINS IN EFFECT.

WEST TO NORTHWEST WINDS WILL INCREASE TO STORM FORCE OF UP TO 55
KNOTS TODAY...THEN GRADUALLY DIMINISH TO STRONG GALES OF UP TO 45
KNOTS OVERNIGHT. A FURTHER SLOW DROP IN THE WINDS WILL OCCUR
TUESDAY...WITH SPEEDS EVENTUALLY DROPPING BELOW GALE FORCE DURING
TUESDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$

633 
WHUS73 KLOT 280905 CCA
MWWLOT

URGENT - MARINE WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE CHICAGO IL
404 AM CDT MON SEP 28 2009

...STORM WARNING FOR THE OPEN WATERS OF LAKE MICHIGAN...

.A DEEP LOW PRESSURE CENTER LOCATED JUST NORTH OF LAKE SUPERIOR
EARLY THIS MORNING WILL MOVE SOUTHEASTWARD TO NORTHERN LAKE HURON
TODAY. THE POWERFUL COLD FRONT THAT IT SWEPT ACROSS LAKE MICHIGAN
LAST NIGHT BROUGHT A SIGNIFICANT SURGE OF COOL AIR TO THE REGION.
A REINFORCING SURGE OF VERY COOL AIR WILL SPREAD SOUTH-SOUTHEAST
ACROSS THE UPPER MIDWEST AND WESTERN GREAT LAKES LATER TODAY AND
TONIGHT. THE 45 TO 55 KNOT WINDS CIRCULATING ALOFT AROUND THE
STRONG SYSTEM WILL BE EFFICIENTLY MIXED ALL THE WAY DOWN TO THE
LAKE SURFACE AS THE VERY COOL AIR OVER WARM LAKE WATERS IS A VERY
UNSTABLE CONDITION. THE LOW PRESSURE GRADUALLY WEAKENS AND MOVES
OFF TO THE EAST AND NORTHEAST ACROSS QUEBEC BY TUESDAY. AS A
RESULT WINDS WILL SLOWLY DIMINISH...AND ARE EXPECTED TO DROP BELOW
STORM FORCE LATE TONIGHT...AND TO BELOW GALE FORCE DURING TUESDAY
NIGHT.


LMZ740>745-281730-
/O.CON.KLOT.GL.W.0025.000000T0000Z-090929T2100Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
404 AM CDT MON SEP 28 2009

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CDT TUESDAY...

A GALE WARNING REMAINS IN EFFECT.

THERE WILL BE WEST TO NORTHWEST STRONG GALES TO 45 KNOTS 
TODAY...PERSISTING THROUGH TONIGHT. THE WINDS WILL THEN BEGIN TO
GRADUALLY DIMINISH TUESDAY AND WILL DROP BELOW GALE FORCE BY LATE
TUESDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPER EQUIPMENT. IT IS HIGHLY RECOMMENDED THAT
MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO
THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-281730-
/O.CON.KLOT.SR.W.0002.000000T0000Z-090929T2100Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
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 TOW 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-
404 AM CDT MON SEP 28 2009

...STORM WARNING REMAINS IN EFFECT UNTIL 4 PM CDT TUESDAY...

A STORM WARNING REMAINS IN EFFECT.

WEST TO NORTHWEST WINDS WILL INCREASE TO STORM FORCE OF UP TO 55
KNOTS TODAY...THEN GRADUALLY DIMINISH TO STRONG GALES OF UP TO 45
KNOTS OVERNIGHT. A FURTHER SLOW DROP IN THE WINDS WILL OCCUR
TUESDAY...WITH SPEEDS EVENTUALLY DROPPING BELOW GALE FORCE DURING
TUESDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$

914 
WHUS73 KLOT 281438
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
938 AM CDT MON SEP 28 2009

...STORM WARNING FOR THE OPEN WATERS OF LAKE MICHIGAN...

.A DEEP LOW PRESSURE CENTER LOCATED ACROSS EXTREME NORTHERN LAKE
SUPERIOR THIS MORNING WILL MOVE SOUTHEASTWARD TO NORTHERN LAKE
HURON TODAY. THE POWERFUL COLD FRONT THAT SWEPT ACROSS LAKE
MICHIGAN LAST NIGHT BROUGHT A SIGNIFICANT SURGE OF COOL AIR TO THE
REGION. A REINFORCING SURGE OF VERY COOL AIR WILL SPREAD SOUTH-
SOUTHEAST ACROSS THE UPPER MIDWEST AND WESTERN GREAT LAKES LATER
TODAY AND TONIGHT. THIS WILL ALLOW 45 TO 55 KT WINDS ALOFT TO
EFFICIENTLY MIX DOWN TO THE SURFACE OF THE LAKE. THE LOW PRESSURE
GRADUALLY WEAKENS AND MOVES OFF TO THE EAST AND NORTHEAST ACROSS
QUEBEC BY TUESDAY. AS A RESULT WINDS ARE EXPECTED TO BE NEAR OR
ABOVE STORM FORCE THROUGH THE FIRST PART OF THE DAY ON TUESDAY.

LMZ740>745-282245-
/O.CON.KLOT.GL.W.0025.000000T0000Z-090929T2100Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
938 AM CDT MON SEP 28 2009

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CDT TUESDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CDT TUESDAY. 

THERE WILL BE WEST TO NORTHWEST STRONG GALES TO 45 KNOTS TODAY...
PERSISTING THROUGH TONIGHT. THE WINDS WILL THEN BEGIN TO
GRADUALLY DIMINISH TUESDAY AND WILL DROP BELOW GALE FORCE BY LATE
TUESDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPER EQUIPMENT. IT IS HIGHLY RECOMMENDED THAT
MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO
THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-282245-
/O.CON.KLOT.SR.W.0002.000000T0000Z-090929T2100Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
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 TOW 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-
938 AM CDT MON SEP 28 2009

...STORM WARNING REMAINS IN EFFECT UNTIL 4 PM CDT TUESDAY...

A STORM WARNING REMAINS IN EFFECT UNTIL 4 PM CDT TUESDAY. 

WEST TO NORTHWEST WINDS WILL INCREASE TO STORM FORCE OF UP TO
55 KNOTS TODAY...THEN GRADUALLY DIMINISH TO NEAR OR JUST ABOVE
STORM FORCE OVERNIGHT...AND THEN TO STRONG GALES TO 45 KT DURING
THE DAY TUESDAY. A FURTHER SLOW DROP IN THE WINDS WILL OCCUR
TUESDAY AFTERNOON AND EVENING...WITH SPEEDS EVENTUALLY DROPPING
BELOW GALE FORCE LATE TUESDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$

BOXELL

981 
WHUS73 KLOT 282059
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
359 PM CDT MON SEP 28 2009

...STORM WARNING FOR THE OPEN WATERS OF LAKE MICHIGAN...

.A DEEP LOW PRESSURE CENTER LOCATED JUST NORTH OF GEORGIAN BAY 
WILL MOVE EASTWARD TO NEAR TORONTO BY MIDDAY TUESDAY...WHILE
GRADUALLY WEAKENING. HOWEVER...THE COLD FRONT THAT SWEPT ACROSS
LAKE MICHIGAN LAST NIGHT BROUGHT A SIGNIFICANT SURGE OF COOL AIR
TO THE REGION. A REINFORCING SURGE OF COOL AIR WILL CONTINUE TO 
SPREAD SOUTH SOUTHEASTWARD ACROSS THE UPPER MIDWEST AND WESTERN GREAT
LAKES TONIGHT. THIS WILL ALLOW 45 TO 55 KT WINDS ALOFT TO
EFFICIENTLY MIX DOWN TO THE SURFACE OF THE LAKE. AS THE LOW
WEAKENS AND HEADS OFF TO THE EAST ON TUESDAY...WINDS AND WAVES
WILL SLOWLY SUBSIDE. 

LMZ740>745-290500-
/O.CON.KLOT.GL.W.0025.000000T0000Z-090929T2100Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
359 PM CDT MON SEP 28 2009

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CDT TUESDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CDT TUESDAY. 

WEST TO NORTHWEST GALES TO 45 KNOTS ARE FORECAST TO PERSIST
THROUGH TONIGHT. WINDS WILL THEN BEGIN TO GRADUALLY DIMINISH
TUESDAY AND WILL DROP BELOW GALE FORCE BY LATE TUESDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPER EQUIPMENT. IT IS HIGHLY RECOMMENDED THAT
MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO
THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-290500-
/O.CON.KLOT.SR.W.0002.000000T0000Z-090929T2100Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
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 TOW 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-
359 PM CDT MON SEP 28 2009

...STORM WARNING REMAINS IN EFFECT UNTIL 4 PM CDT TUESDAY...

A STORM WARNING REMAINS IN EFFECT UNTIL 4 PM CDT TUESDAY. 

WEST TO NORTHWEST GALES TO 45 KNOTS WILL INCREASE TO STORM FORCE
TO 50 KNOTS TONIGHT...THEN GRADUALLY DIMINISH TO GALES TO 40 KT
DURING TUESDAY MORNING. A MORE NOTICEABLE DECREASE IN THE WIND 
SPEED WILL OCCUR TUESDAY AFTERNOON AND EVENING...WITH SPEEDS
EVENTUALLY DROPPING BELOW GALE FORCE LATE TUESDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$

MERZLOCK

408 
WHUS73 KLOT 290240
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
940 PM CDT MON SEP 28 2009

...STORM WARNING DOWNGRADED TO GALE WARNING FOR THE OPEN WATERS
OF LAKE MICHIGAN...

.A DEEP LOW PRESSURE CENTER LOCATED JUST NORTHEAST OF GEORGIAN BAY
WILL MOVE EASTWARD TO NEAR TORONTO BY MIDDAY TUESDAY...WHILE
GRADUALLY WEAKENING. HOWEVER...A REINFORCING SURGE OF COOL AIR
WILL CONTINUE TO SPREAD SOUTH SOUTHEASTWARD ACROSS THE UPPER
MIDWEST AND WESTERN GREAT LAKES TONIGHT. THIS WILL ALLOW GALE FORCE
NORTHWEST WINDS OF 45 KT TO CONTINUE OVERNIGHT BEFORE BEGINNING
TO SLOWLY DIMINISH ON TUESDAY AS THE LOW PRESSURE MOVES OFF TO THE
EAST. 

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-291045-
/O.CAN.KLOT.SR.W.0002.000000T0000Z-090929T2100Z/
/O.EXB.KLOT.GL.W.0025.000000T0000Z-090930T0000Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
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 TOW 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-
940 PM CDT MON SEP 28 2009

...GALE WARNING IN EFFECT UNTIL 7 PM CDT TUESDAY...
...STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT UNTIL 7 PM CDT TUESDAY. THE STORM
WARNING HAS BEEN CANCELED. 

WEST TO NORTHWEST GALES TO 45 KNOTS WILL PERSIST OVERNIGHT...THEN
GRADUALLY DIMINISH TO GALES TO 40 KT DURING TUESDAY MORNING. A
MORE NOTICEABLE DECREASE IN THE WIND SPEED WILL OCCUR TUESDAY
AFTERNOON AND EVENING...WITH SPEEDS EVENTUALLY DROPPING BELOW GALE
FORCE BY TUESDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ740>745-291045-
/O.EXT.KLOT.GL.W.0025.000000T0000Z-090930T0000Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
940 PM CDT MON SEP 28 2009

...GALE WARNING NOW IN EFFECT UNTIL 7 PM CDT TUESDAY...

A GALE WARNING IS NOW IN EFFECT UNTIL 7 PM CDT TUESDAY.

WEST TO NORTHWEST GALES TO 45 KNOTS ARE FORECAST TO PERSIST
THROUGH TONIGHT. WINDS WILL THEN GRADUALLY DIMINISH DURING
TUESDAY...AND WILL DROP BELOW GALE FORCE BY LATE TUESDAY
AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPER EQUIPMENT. IT IS HIGHLY RECOMMENDED THAT
MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO
THE ONSET OF GALE CONDITIONS.

&&

$$

MERZLOCK

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
249 AM CDT SUN SEP 27 2009

.DISCUSSION...
247 AM CDT

TODAY AND TONIGHT...AN INTENSE SURFACE LOW WILL MOVE
FROM NORTHERN MANITOBA TO NORTHERN LAKE MICHIGAN BY MIDNIGHT
TONIGHT. THERE IS UPPER AIR SUPPORT FOR THIS LOW THERE WERE 130
METER HEIGHT FALLS OVER CENTRAL MANITOBA. WE USED THE GFS MODEL
FOR THE FORECAST. A STRONG COLD FRONT WILL MOVE INTO NORTHERN
ILLINOIS AND NORTHWEST INDIANA TONIGHT. WE WILL FORECAST SHOWERS
AND ISOLATED THUNDERSTORMS. THE PRECIPITATION WILL BE DURING THE
NIGHT SO WE DO NOT EXPECT AS MUCH INSTABILITY AS THERE WOULD BE
DURING THE DAY. THERE WILL BE STRONG NORTHWEST WIND TOWARDS MONDAY
MORNING. BEFORE THEN WE EXPECT A MODERATE SOUTHWEST WIND. THE MOS
GUIDANCE AND LOCAL WRF ARW MODEL HAD THE LOWEST AVERAGE ERROR IN
THE TEMPERATURE FORECAST FOR THE LAST 12 DAYS. WE WILL USE THE MOS
GUIDANCE FOR OUR TEMPERATURE FORECAST TODAY AND TONIGHT.

MONDAY...WE WILL INVESTIGATE  ISSUING A WIND ADVISORY. WE WILL
DECIDE LATER THIS MORNING. THE WIND FORECAST HAS WIND OF LESS
THAN 26 KNOTS AT THIS TIME. SO WE WILL LOOK AT SOME 06 UTC MODEL
DATA TO SEE IF THERE ARE CHANGES.

&&

.AVIATION...
1254 AM CDT

0600 UTC TAFS...VERY WEAK W TO SW LOW LEVEL FLOW OVER THE AREA AND
DECOUPLED SURFACE UNDER CLEAR SKY ALLOWING FOG TO FORM ONCE AGAIN.
EXPECT DENSEST AT FAVORED KDPA AND KRFD.

SW FLOW INCREASES SIGNIFICANTLY DURING THE MORNING AHEAD OF DEEPENING
LOW AND APPROACH OF COLD FRONT WITH FORECAST SOUNDINGS INDICATING
20-25KT SW BY MIDDAY WINDS AVAILABLE TO BE MIXED DOWN WITH SURFACE
HEATING.

STRONG SW FLOW TO QUICKLY DRAW A RIBBON OF HIGHER DEW POINTS
NORTHEASTWARD TODAY AHEAD OF THE STRONG COLD FRONT TO SWEEP
RAPIDLY E ACROSS LOCAL TERMINALS THIS EVENING. STABILITY/ENERGY
PARAMETERS INDICATE TS POTENTIAL IN NARROW BAND JUST AHEAD/ALONG
THE FRONT. GIVEN FAST MOVEMENT OF THE FRONT AND EXPECTED LIMITED
COVERAGE S OF WI BORDER HAVE MAINTAINED ONLY CB MENTION IN LATEST
TAFORS.

ONCE MID LEVEL TROF PASSES TO E OF THE AREA DEEP STRONG WNW-NW
FLOW SPREADS ACROSS THE TERMINALS LATE EVENING THROUGH
OVERNIGHT. THIS TO LEAD TO STRONG AND GUSTY WIND CONDITIONS. ALSO
EXPECT STRATOCU DECK TO SPREAD IN DURING THE NIGHT AS DEEPER COLD
AIR AND WRAP AROUND LOW LEVEL MOISTURE INVADES THE AREA AS MID-
UPPER LOW FORMS OVER THE WESTERN GREAT LAKES.

TRS

&&

.MARINE...

209 PM...MAIN CONCERN THIS FORECAST CONTINUES TO BE A STRONG
COLD FRONT SUNDAY NIGHT WITH A PROLONGED PERIOD OF GALES AND THE
POTENTIAL FOR STORM FORCE WINDS.

LOW PRESSURE MOVING SOUTHEAST ACROSS CANADA WILL REACH WESTERN
ONTARIO SUNDAY MORNING AS IT CONTINUES TO DEEPEN. AS THE LOW
DEEPENS FURTHER OVER THE NORTHERN LAKES SUNDAY NIGHT INTO MONDAY
A STRONG COLD FRONT WILL PLOW ACROSS LAKE MICHIGAN SUNDAY NIGHT.
AHEAD OF THIS FRONT...THE GRADIENT WILL TIGHTEN ENOUGH TO SUPPORT
AT LEAST GUSTS TO 30KTS BY SUNDAY AFTERNOON AND PERHAPS GUSTS TO
35KTS OVER NORTHERN LAKE MICHIGAN BY AFTERNOON. WINDS WILL LIKELY
DIMINISH SOME SUNDAY EVENING IMMEDIATELY AHEAD OF THE COLD FRONT.

ONCE THE FRONT PASSES...EXPECT A RAPID INCREASE IN WINDS WITH
FREQUENT GUSTS TO 45KTS. EARLIER MODEL RUNS THIS MORNING SUGGESTED
THAT GUSTS COULD EASILY REACH 50-55KTS SUNDAY NIGHT...BEHIND THE
FRONT. LATEST RUNS HAVE BACKED OFF FROM THESE HIGHER GUSTS. BUT
WITH THE LAKE WATER TEMPERATURES ABOUT AS WARM AS THEY WILL BE ALL
YEAR...ALONG WITH SIGNIFICANT COLD AIR ARRIVING BEHIND THIS
FRONT...STRONGER WINDS ALOFT WILL EASILY MIX TO THE WATER SURFACE.
THUS STORM FORCE GUSTS ARE STILL POSSIBLE BUT CONFIDENCE ON HOW
STRONG WINDS ALOFT WILL BECOME IS TOO LOW FOR A STORM FORCE WIND
WATCH WITH THIS FORECAST. THE WARMER WATER SHOULD ALSO ALLOW THE
WIND TO BE QUITE EFFICIENT IN BUILDING HIGHER WAVES...ESPECIALLY
WITH THE PROLONGED PERIOD OF GALES EXPECTED.

WITH THIS FORECAST...WILL BE UPGRADING THE GALE WATCH TO A GALE
WARNING STARTING SUNDAY AFTERNOON ON THE NORTH HALF AND SUNDAY
EVENING ACROSS THE SOUTH HALF INCLUDING THE IL/IN NEARSHORE
WATERS. CMS

&&

.LOT WATCHES/WARNINGS/ADVISORIES...
IL...NONE.
IN...NONE.
LM...SMALL CRAFT ADVISORY...LMZ740-LMZ741-LMZ742-LMZ743-LMZ744-
     LMZ745...10 AM SUNDAY TO 10 PM SUNDAY.

     GALE WARNING...LMZ080-LMZ669-LMZ671-LMZ673-LMZ675-LMZ740-LMZ741-
     LMZ742-LMZ743-LMZ744-LMZ745-LMZ777-LMZ779-LMZ870-LMZ872-
     LMZ874-LMZ876-LMZ878...10 PM SUNDAY TO 4 PM TUESDAY.

     GALE WARNING...LMZ261-LMZ362-LMZ364-LMZ366-LMZ563-LMZ565-LMZ567-
     LMZ868...3 PM SUNDAY TO 4 PM TUESDAY.

&&

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
852 PM CDT SAT SEP 26 2009

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
280200-
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
852 PM CDT SAT SEP 26 2009 /952 PM EDT SAT SEP 26 2009/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...TONIGHT.

PATCHY AREAS OF FOG ARE EXPECTED TOWARD DAYBREAK.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

A LINE OF SHOWERS AND A FEW THUNDERSTORMS WILL MOVE RAPIDLY
ACROSS THE OUTLOOK AREA SUNDAY NIGHT. THE POTENTIAL EXISTS FOR
LOCALLY DAMAGING WINDS IN EXCESS OF 60 MPH WITH THIS SQUALL LINE.

WIND GUSTS OVER 45 MPH ARE POSSIBLE LATE SUNDAY NIGHT THROUGH THE
DAY MONDAY.

THERE IS ANOTHER CHANCE OF THUNDERSTORMS THURSDAY NIGHT INTO
FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO

LMZ740>745-280200-
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
852 PM CDT SAT SEP 26 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS NEARSHORE
WATERS OF LAKE MICHIGAN AND THE INDIANA NEARSHORE WATERS OF LAKE
MICHIGAN.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

HAZARDOUS WINDS AND WAVES FOR SMALL CRAFT ARE EXPECTED SUNDAY
AFTERNOON AND EVENING.

A LINE OF SHOWERS AND A FEW THUNDERSTORMS WILL MOVE RAPIDLY
ACROSS SOUTHERN LAKE MICHIGAN SUNDAY NIGHT. THE POTENTIAL EXISTS
FOR WIND GUSTS IN EXCESS OF 50 KNOTS WITH THIS SQUALL LINE.

GALE FORCE WINDS ARE THEN LIKELY LATE SUNDAY NIGHT THROUGH
TUESDAY AFTERNOON.

THERE IS ALSO A CHANCE OF THUNDERSTORMS THURSDAY NIGHT INTO
FRIDAY.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-280200-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
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 TOW 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-
852 PM CDT SAT SEP 26 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE
MICHIGAN.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

SOUTHWEST GALES ARE EXPECTED SUNDAY AFTERNOON AND EVENING IN
ADVANCE OF A STRONG COLD FRONT.

SCATTERED THUNDERSTORMS...WITH THE POTENTIAL TO PRODUCE WIND
GUSTS IN EXCESS OF 50 KNOTS...ARE EXPECTED LATE SUNDAY AFTERNOON
AND EVENING AS THE COLD FRONT MOVES ACROSS THE LAKE.

IN THE WAKE OF THE FRONT...WESTERLY GALES TO 45 KNOTS ARE
EXPECTED LATE SUNDAY NIGHT THROUGH TUESDAY. THERE IS SOME
POTENTIAL FOR STORM FORCE WINDS ACROSS LATE SUNDAY NIGHT INTO
MONDAY.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO

HALBACH

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
326 AM CDT SUN SEP 27 2009

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
271400-
WINNEBAGO-BOONE-MCHENRY-LAKE IL-OGLE-LEE-DE KALB-KANE-DUPAGE-COOK-
LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-IROQUOIS-FORD-
LAKE IN-PORTER-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
WAUKEGAN...OREGON...DIXON...DEKALB...AURORA...WHEATON...CHICAGO...
OTTAWA...OSWEGO...MORRIS...JOLIET...KANKAKEE...PONTIAC...
WATSEKA...PAXTON...GARY...VALPARAISO...MOROCCO...RENSSELAER...
FOWLER
326 AM CDT SUN SEP 27 2009 /426 AM EDT SUN SEP 27 2009/

...THERE WILL BE AREAS OF DENSE FOG THIS MORNING..

THERE WILL BE FOG...WITH SOME SCATTERED AREAS OF DENSE FOG THIS
MORNING. THE FOG WILL BE IN NORTH CENTRAL ILLINOIS...NORTHEAST
ILLINOIS AND NORTHWEST INDIANA THROUGH 9 AM CDT THIS MORNING. AT
SOME LOCATIONS...THE VISIBILITY MAY BE A QUARTER OF A MILE.

IF YOU ARE DRIVING THIS MORNING...USE EXTREME CAUTION AND SLOW
DOWN. THE VISIBILITY MAY FALL TO A QUARTER OF A MILE OR LESS IN A
VERY SHORT DISTANCE.