NWS Forecast

FZUS63 KMQT 100254
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
954 PM EST TUE FEB 9 2010

SYNOPSIS
29.6 INCH LOW PRESSURE OVER OHIO WILL MOVE EAST AND
RAPIDLY DEEPEN TO 28.7 INCHES JUST OFF LONG ISLAND BY LATE
WEDNESDAY. THE STORM SYSTEM WILL CONTINUE TO MOVE EAST OUT OVER
THE NORTH ATLANTIC ON THURSDAY. MEANWHILE...30.6 INCH HIGH
PRESSURE OVER CENTRAL CANADA WILL SLOWLY WEAKEN TO 30.3 INCHES AS
IT DIPS ACROSS ONTARIO AND THE PLAINS STATES TONIGHT AND WEDNESDAY.
EXPECT THIS HIGH TO SHIFT OVER THE UPPER GREAT LAKES ON THURSDAY
AND THEN WEAKEN TO 30.1 INCHES WHILE REMAINING NEARLY STATIONARY
THROUGH FRIDAY. ANOTHER 29.9 INCH LOW WILL THEN DIVE FROM THE
NORTHERN PLAINS INTO ILLINOIS BY EARLY SUNDAY. HIGH PRESSURE OF
30.3 INCHES WILL MOVE TO THE NORTHERN PLAINS THROUGH SUNDAY.

LSZ162-101100-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
954 PM EST TUE FEB 9 2010 /854 PM CST TUE FEB 9 2010/

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH WEDNESDAY
AFTERNOON...

REST OF TONIGHT
NORTH WINDS 15 TO 25 KNOTS. HEAVY FREEZING
SPRAY. AREAS OF SNOW. WAVES 6 TO 9 FEET SUBSIDING TO 5 TO 8 FEET.

WEDNESDAY
NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY IN THE MORNING. A
SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING. WAVES SUBSIDING TO 3
TO 5 FEET.

WEDNESDAY NIGHT
NORTH WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO
1 TO 3 FEET.

THURSDAY
NORTH WINDS 5 TO 15 KNOTS BECOMING WEST LESS THAN
10 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.

THURSDAY NIGHT
SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.

FRIDAY
EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST IN THE
AFTERNOON. WAVES CALM TO 2 FEET.

FRIDAY NIGHT
NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST AFTER
MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.

SATURDAY
NORTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 3 TO
5 FEET.

SUNDAY
NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS. WAVES BUILDING TO 6 TO 9 FEET.

LSZ263-101100-
LAKE SUPERIOR FROM SAXON HARBOR WI TO UPPER ENTRANCE TO PORTAGE
CANAL MI 5NM OFF SHORE TO THE US/CANADIAN BORDER INCLUDING ISLE
ROYALE NATIONAL PARK-
954 PM EST TUE FEB 9 2010

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH WEDNESDAY
AFTERNOON...

REST OF TONIGHT
NORTH WINDS 20 TO 30 KNOTS. HEAVY FREEZING
SPRAY. AREAS OF SNOW. WAVES 7 TO 10 FEET.

WEDNESDAY
NORTH WINDS 15 TO 25 KNOTS. HEAVY FREEZING SPRAY. A
SLIGHT CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 5 TO 8 FEET.

WEDNESDAY NIGHT
NORTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET.

THURSDAY
NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.

THURSDAY NIGHT
NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.

FRIDAY
NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

FRIDAY NIGHT
NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.

SATURDAY
NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. WAVES BUILDING TO 3 TO 5 FEET.

SUNDAY
NORTH WINDS 20 TO 30 KNOTS. WAVES BUILDING TO 7 TO
10 FEET.

LSZ264-101100-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
954 PM EST TUE FEB 9 2010

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH WEDNESDAY
AFTERNOON...

REST OF TONIGHT
NORTH WINDS 20 TO 30 KNOTS. HEAVY FREEZING
SPRAY. WIDESPREAD SNOW. WAVES 6 TO 9 FEET BUILDING TO 8 TO 11
FEET.

WEDNESDAY
NORTH WINDS 20 TO 30 KNOTS. HEAVY FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 6 TO 9 FEET.

WEDNESDAY NIGHT
NORTH WINDS 15 TO 25 KNOTS. FREEZING SPRAY IN
THE EVENING. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO
4 TO 7 FEET.

THURSDAY
NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO 1 TO 3 FEET.

THURSDAY NIGHT
NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.

FRIDAY
NORTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.

FRIDAY NIGHT
NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.

SATURDAY
NORTH WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 3 TO
5 FEET.

SUNDAY
NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST WINDS 20
TO 30 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 8 TO 11
FEET.

LSZ265-101100-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
954 PM EST TUE FEB 9 2010

...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 1 AM EST WEDNESDAY
THROUGH WEDNESDAY AFTERNOON...

REST OF TONIGHT
NORTHEAST WINDS 20 TO 30 KNOTS BECOMING NORTH
AFTER MIDNIGHT. HEAVY FREEZING SPRAY AFTER MIDNIGHT. SNOW. WAVES
6 TO 9 FEET BUILDING TO 9 TO 12 FEET.

WEDNESDAY
NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY. SNOW SHOWERS
LIKELY...MAINLY IN THE MORNING. WAVES BUILDING TO 10 TO 14
FEET...THEN SUBSIDING TO 9 TO 12 FEET.

WEDNESDAY NIGHT
NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. FREEZING SPRAY IN THE EVENING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 5 TO 8 FEET.

THURSDAY
NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 2 TO
4 FEET.

THURSDAY NIGHT
NORTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING
TO 1 TO 3 FEET.

FRIDAY
NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.

FRIDAY NIGHT
NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.

SATURDAY
NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. WAVES BUILDING TO 3 TO 5 FEET.

SUNDAY
NORTH WINDS 20 TO 30 KNOTS BACKING NORTHWEST. A CHANCE
OF SNOW SHOWERS. WAVES BUILDING TO 8 TO 11 FEET.

LSZ266-267-101100-
LAKE SUPERIOR EAST OF A LINE FROM MANITOU ISLAND TO MARQUETTE MI
AND WEST OF A LINE FROM GRAND MARAIS MI TO THE US/CANADIAN BORDER
BEYOND 5NM FROM SHORE-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
954 PM EST TUE FEB 9 2010

...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 1 AM EST WEDNESDAY
THROUGH WEDNESDAY AFTERNOON...

REST OF TONIGHT
NORTHEAST WINDS 20 TO 30 KNOTS BECOMING NORTH
AFTER MIDNIGHT. FREEZING SPRAY AFTER MIDNIGHT. SNOW. WAVES 6 TO 9
FEET BUILDING TO 10 TO 14 FEET.

WEDNESDAY
NORTH WINDS 20 TO 30 KNOTS. HEAVY FREEZING SPRAY.
SNOW SHOWERS LIKELY...MAINLY IN THE MORNING. WAVES SUBSIDING TO 9
TO 12 FEET.

WEDNESDAY NIGHT
NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. A SLIGHT CHANCE OF
SNOW SHOWERS. WAVES SUBSIDING TO 5 TO 8 FEET.

THURSDAY
NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 3 TO 5 FEET.

THURSDAY NIGHT
NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES 3 TO 5 FEET.

FRIDAY
NORTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.

FRIDAY NIGHT
NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.

SATURDAY
NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. WAVES BUILDING TO 3 TO 5 FEET.

SUNDAY
NORTH WINDS 20 TO 30 KNOTS BACKING NORTHWEST. A CHANCE
OF SNOW SHOWERS. WAVES BUILDING TO 9 TO 12 FEET.

LSZ261-101100-
MAFOR 1004/
SUPERIOR WEST...HEAVY FREEZING SPRAY WARNING IN EFFECT...13847
12830 12820 11810. FREEZING SPRAY. WAVES 4 TO 9 FEET. 220609.

SUPERIOR NORTH CENTRAL...HEAVY FREEZING SPRAY WARNING IN EFFECT...
13847 14840 11830. HEAVY FREEZING SPRAY. SLIGHT CHANCE OF SNOW
SHOWERS WEDNESDAY AFTERNOON. WAVES 6 TO 11 FEET. 220710.

SUPERIOR SOUTH CENTRAL...HEAVY FREEZING SPRAY WARNING IN EFFECT...
11147 14847 11841 12840. HEAVY FREEZING SPRAY. CHANCE OF SNOW
SHOWERS WEDNESDAY EVENING. WAVES 8 TO 13 FEET. 210811 210912.

SUPERIOR EAST...HEAVY FREEZING SPRAY WARNING IN EFFECT...13147
12840 11841 12840. HEAVY FREEZING SPRAY. CHANCE OF SNOW SHOWERS
WEDNESDAY. WAVES 6 TO 11 FEET. 210710 210811.

TITUS