National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZUS63 KLOT 101054 AAA
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN...UPDATED
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
454 AM CST WED FEB 10 2010

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN

.SYNOPSIS...AN AREA OF LOW PRESSURE OF 29.5 INCHES ACROSS WESTERN
PENNSYLVANIA WILL MERGE WITH ANOTHER LOW PRESSURE AREA OFF THE
NORTHEAST COAST OF THE UNITED STATES THIS AFTERNOON. A RIDGE OF
HIGH PRESSURE WILL APPROACH THE WESTERN GREAT LAKES REGION
THURSDAY...AND WILL EXTEND FROM WESTERN ONTARIO INTO NORTHERN
ILLINOIS BY THURSDAY AFTERNOON. THIS HIGH WILL BE SLOW TO EXIT THE
REGION THROUGH THE END OF THE WEEK. AN AREA OF WEAK LOW PRESSURE
OF 30.3 INCHES WILL DEVELOP ACROSS NORTHERN MISSOURI FRIDAY
AFTERNOON...AND WILL TRACK ACROSS FAR SOUTHERN ILLINOIS FRIDAY EVENING.

LMZ261-362-364-366-563-565-567-868-101615-
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-
454 AM CST WED FEB 10 2010

...GALE WARNING IN EFFECT UNTIL 4 PM CST THIS AFTERNOON...

.TODAY...NORTH GALES TO 35 KT DIMINISHING TO 30 KT THIS AFTERNOON.
FREEZING SPRAY. SNOW SHOWERS LIKELY THIS MORNING...THEN A CHANCE
OF SNOW SHOWERS THIS AFTERNOON. WAVES 7 TO 10 FT SUBSIDING TO 5 TO
8 FT THIS AFTERNOON.
.TONIGHT...NORTH WINDS 15 TO 25 KT. CHANCE OF SNOW SHOWERS. WAVES
5 TO 8 FT SUBSIDING TO 4 TO 7 FT OVERNIGHT.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KT. CHANCE OF SNOW SHOWERS.
WAVES 3 TO 6 FT SUBSIDING TO 2 TO 4 FT IN THE AFTERNOON.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.FRIDAY...NORTHWEST WINDS AROUND 10 KT. WAVES 1 TO 2 FT.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT. CHANCE OF SNOW.
WAVES 1 TO 3 FT.
.SATURDAY...NORTHWEST WINDS 10 TO 15 KT. CHANCE OF SNOW. WAVES
2 TO 4 FT.
.SUNDAY...NORTHWEST WINDS 15 TO 20 KT. WAVES 3 TO 5 FT.


$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-101615-
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-
454 AM CST WED FEB 10 2010

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...NORTH GALES TO 35 KT. FREEZING SPRAY. SNOW SHOWERS LIKELY
THIS MORNING...THEN A CHANCE OF SNOW SHOWERS THIS AFTERNOON. WAVES
8 TO 12 FT.
.TONIGHT...NORTH WINDS TO 30 KT BECOMING NORTHWEST 15 TO 25 KT.
CHANCE OF SNOW SHOWERS. WAVES 7 TO 10 FT SUBSIDING TO 5 TO 8 FT
OVERNIGHT.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KT. WAVES 4 TO 7 FT
SUBSIDING TO 3 TO 5 FT IN THE AFTERNOON.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT. WAVES 2 TO 4 FT
SUBSIDING TO 1 TO 3 FT OVERNIGHT.
.FRIDAY...WEST WINDS AROUND 10 KT BECOMING SOUTHWEST. WAVES 1 TO
3 FT.
.FRIDAY NIGHT...NORTHWEST WINDS AROUND 10 KT. WAVES 1 TO 3 FT.
.SATURDAY...NORTHWEST WINDS AROUND 10 KT. CHANCE OF SNOW. WAVES 1
TO 3 FT.
.SUNDAY...NORTHWEST WINDS 15 TO 20 KT. CHANCE OF SNOW. WAVES 3 TO
5 FT.

$$

LMZ761-101615-
MAFOR 1010 AMD/
MICHIGAN NORTH...GALE WARNING IN EFFECT...11857 13840 13830
11820. FREEZING SPRAY TODAY. SNOW SHOWERS LIKELY THIS MORNING THEN
CHANCE OF SNOW SHOWERS THIS AFTERNOON AND TONIGHT. WAVES 7 TO 10
FT SUBSIDING TO 5 TO 8 FT THIS AFTERNOON...THEN SUBSIDING TO 4 TO
7 FT TONIGHT. 220710.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...12857 12850 12840 12830.
FREEZING SPRAY TODAY. SNOW SHOWERS LIKELY THIS MORNING...THEN A
CHANCE OF SNOW SHOWERS THIS AFTERNOON AND TONIGHT. WAVES 8 TO 12
FT TODAY. WAVES 7 TO 10 FT THIS EVENING...SUBSIDING TO 5 TO 8 FT
OVERNIGHT. 220812.

$$

MARSILI