Great Lakes Forecast
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494
FZUS63 KMQT 240307
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1007 PM EST THU FEB 23 2017

.SYNOPSIS...29.3 INCH LOW PRESSURE OVER THE CENTRAL PLAINS THIS
EVENING WILL MOVE NORTHEASTWARD ACROSS LOWER MICHIGAN LATE FRIDAY
AFTERNOON AND EVENING BEFORE REACHING FAR CENTRAL QUEBEC LATE
SATURDAY. MEANWHILE...A 30.3 INCH RIDGE ACROSS SOUTH CENTRAL
CANADA WILL BUILD ACROSS THE PLAINS STATES...THEN OVER THE LOWER
TO MID MISSISSIPPI VALLEY. A 29.8 INCH LOW PRESSURE SYSTEM WILL
THEN MOVE ACROSS LAKE SUPERIOR ON SUNDAY. A 30.1 INCH HIGH
PRESSURE WILL FOLLOW ACROSS THE GREAT LAKES ON MONDAY. A WEAK 29.9
INCH TROUGH MOVES OVER THE UPPER GREAT LAKES ON MONDAY
NIGHT...FOLLOWED BY A 30.0 INCH HIGH EXPANDING OVER THE GREAT
LAKES ON TUESDAY.

LSZ162-241115-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1007 PM EST THU FEB 23 2017 /907 PM CST THU FEB 23 2017/

...GALE WARNING IN EFFECT FROM 7 AM EST /6 AM CST/ FRIDAY THROUGH
LATE FRIDAY NIGHT...

.REST OF TONIGHT...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHEAST
20 TO 30 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SOUTH
LATE. WAVES CALM TO 2 FEET BUILDING TO 4 TO 7 FEET.
.FRIDAY...NORTHEAST GALES TO 35 KNOTS INCREASING TO 40 KNOTS BY
THE AFTERNOON. FREEZING SPRAY. A CHANCE OF SNOW. WAVES BUILDING
TO 7 TO 10 FEET.
.FRIDAY NIGHT...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET.
.SATURDAY...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST 15 TO
25 KNOTS IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.SATURDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH. A CHANCE
OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS. RAIN SHOWERS LIKELY. SNOW SHOWERS LIKELY. WAVES
BUILDING TO 1 TO 3 FEET.

$$

LSZ263-241115-
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-
1007 PM EST THU FEB 23 2017

...GALE WARNING IN EFFECT FROM 7 AM EST FRIDAY THROUGH LATE
FRIDAY NIGHT...

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHEAST
20 TO 30 KNOTS AFTER MIDNIGHT. FREEZING SPRAY AFTER MIDNIGHT. A
SLIGHT CHANCE OF SNOW SOUTH LATE. WAVES CALM TO 2 FEET BUILDING TO
4 TO 7 FEET.
.FRIDAY...NORTHEAST GALES TO 35 KNOTS INCREASING TO 40 KNOTS BY
THE AFTERNOON. FREEZING SPRAY. A CHANCE OF SNOW IN THE MORNING.
SNOW LIKELY IN THE AFTERNOON. WAVES BUILDING TO 7 TO 10 FEET.
.FRIDAY NIGHT...NORTH GALES TO 35 KNOTS. FREEZING SPRAY. SNOW
SHOWERS. WAVES SUBSIDING TO 5 TO 8 FEET.
.SATURDAY...NORTHWEST WINDS 20 TO 30 KNOTS. FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET.
.SATURDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO
1 TO 3 FEET.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. RAIN SHOWERS LIKELY. SNOW
SHOWERS LIKELY. WAVES BUILDING TO 2 TO 4 FEET.

$$

LSZ264-241115-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1007 PM EST THU FEB 23 2017

...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY
EVENING...

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHEAST
20 TO 30 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO
5 FEET.
.FRIDAY...NORTHEAST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
40 KNOTS BY EARLY AFTERNOON. FREEZING SPRAY. A SLIGHT CHANCE OF
SNOW IN THE MORNING. SNOW LIKELY IN THE AFTERNOON. WAVES BUILDING
TO 5 TO 8 FEET.
.FRIDAY NIGHT...NORTHEAST GALES TO 40 KNOTS BACKING NORTH AFTER
MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS. WAVES BUILDING TO 6 TO
10 FEET.
.SATURDAY...NORTH GALES TO 35 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. FREEZING SPRAY. SNOW SHOWERS LIKELY IN THE MORNING. A
CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES BUILDING TO 7 TO
10 FEET...THEN SUBSIDING TO 4 TO 7 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY IN THE EVENING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 20 TO
30 KNOTS. A CHANCE OF SNOW SHOWERS...POSSIBLY MIXED WITH RAIN...
THEN SNOW SHOWERS LIKELY. WAVES BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.

$$

LSZ265-241115-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1007 PM EST THU FEB 23 2017

...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY
EVENING...

.REST OF TONIGHT...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHEAST
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET BUILDING TO 3
TO 5 FEET.
.FRIDAY...NORTHEAST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS BY MID AFTERNOON. FREEZING SPRAY. A CHANCE OF SNOW IN
THE MORNING. SNOW LIKELY IN THE AFTERNOON. WAVES BUILDING TO 6 TO
9 FEET.
.FRIDAY NIGHT...NORTHEAST GALES TO 35 KNOTS BACKING NORTH AFTER
MIDNIGHT. FREEZING SPRAY. A SLIGHT CHANCE OF FREEZING RAIN IN THE
EVENING. SNOW SHOWERS. WAVES 6 TO 9 FEET.
.SATURDAY...NORTHWEST GALES TO 35 KNOTS. FREEZING SPRAY. SNOW
SHOWERS IN THE MORNING. A CHANCE OF SNOW SHOWERS IN THE
AFTERNOON. WAVES BUILDING TO 7 TO 10 FEET...THEN SUBSIDING TO
5 TO 8 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS BACKING WEST
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 2 TO
4 FEET.
.SUNDAY...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES BUILDING
TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. RAIN SHOWERS LIKELY. SNOW
SHOWERS LIKELY. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING
TO 2 TO 4 FEET.

$$

LSZ266-241115-
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-
1007 PM EST THU FEB 23 2017

...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY
EVENING...

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHEAST
20 TO 30 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO
5 FEET.
.FRIDAY...NORTHEAST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
40 KNOTS IN THE AFTERNOON. FREEZING SPRAY. A CHANCE OF SNOW IN
THE MORNING. SNOW LIKELY IN THE AFTERNOON. WAVES BUILDING TO 6 TO
9 FEET.
.FRIDAY NIGHT...NORTHEAST GALES TO 40 KNOTS BACKING NORTH AFTER
MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS...POSSIBLY MIXED WITH
FREEZING RAIN. WAVES 6 TO 10 FEET.
.SATURDAY...NORTH GALES TO 40 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. FREEZING SPRAY. SNOW SHOWERS. WAVES BUILDING TO 8 TO
12 FEET.
.SATURDAY NIGHT...NORTHWEST GALES TO 35 KNOTS BECOMING WEST 20 TO
30 KNOTS AFTER MIDNIGHT. FREEZING SPRAY IN THE EVENING. SNOW
SHOWERS LIKELY IN THE EVENING...THEN A CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO 4 TO 7 FEET.
.SUNDAY...WEST WINDS 15 TO 25 KNOTS. SNOW SHOWERS LIKELY. WAVES
SUBSIDING TO 2 TO 4 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST
10 TO 20 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY IN THE
EVENING...THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES
2 TO 4 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 2 TO 4 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS. RAIN AND SNOW SHOWERS LIKELY. WAVES 2 TO 4 FEET.

$$

LSZ267-241115-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1007 PM EST THU FEB 23 2017

...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY
EVENING...

.REST OF TONIGHT...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHEAST
TO 15 TO 25 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2
TO 4 FEET.
.FRIDAY...NORTHEAST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW IN THE MORNING...THEN
SNOW LIKELY. WAVES BUILDING TO 4 TO 7 FEET.
.FRIDAY NIGHT...NORTHEAST GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS AFTER MIDNIGHT. SNOW SHOWERS...POSSIBLY MIXED WITH
FREEZING RAIN. WAVES BUILDING TO 6 TO 9 FEET...THEN SUBSIDING TO
4 TO 7 FEET.
.SATURDAY...NORTH GALES TO 35 KNOTS BECOMING NORTHWEST GALES TO
40 KNOTS IN THE AFTERNOON. FREEZING SPRAY. A SLIGHT CHANCE OF
FREEZING RAIN IN THE MORNING. SNOW SHOWERS. WAVES BUILDING TO
9 TO 12 FEET.
.SATURDAY NIGHT...NORTHWEST GALES TO 35 KNOTS BECOMING WEST 20 TO
30 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS LIKELY.
WAVES SUBSIDING TO 4 TO 7 FEET.
.SUNDAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS
IN THE AFTERNOON. SNOW SHOWERS LIKELY. WAVES SUBSIDING TO 2 TO
4 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY IN THE
EVENING...THEN A CHANCE OF SNOW SHOWERS. WAVES 2 TO 4 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.TUESDAY...EAST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS...THE SNOW SHOWERS POSSIBLY MIXED WITH RAIN. WAVES 1 TO 3
FEET.

$$
LSZ261-241115-
MAFOR 2404/
SUPERIOR WEST...GALE WARNING IN EFFECT...11830 12140 13150 11157
11857. FREEZING SPRAY LATE TONIGHT THROUGH FRIDAY EVENING. CHANCE
OF SNOW FRIDAY MORNING. WAVES 2 TO 6 FEET OVERNIGHT BUILDING TO 6
TO 10 FEET FRIDAY AND FRIDAY EVENING.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...11830 11130
12140 11150 13157. FREEZING SPRAY FRIDAY AFTERNOON AND EVENING.
CHANCE OF SNOW FRIDAY AFTERNOON. WAVES 3 TO 5 FEET OVERNIGHT
BUILDING TO 5 TO 10 FEET FRIDAY AND FRIDAY EVENING.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...11820 11130
12140 11147 13157. CHANCE OF SNOW FRIDAY MORNING. WAVES 2 TO 4
FEET OVERNIGHT BUILDING TO 5 TO 9 FEET FRIDAY AND FRIDAY EVENING.

SUPERIOR EAST...GALE WARNING IN EFFECT...11820 11830 12140 14157.
CHANCE OF SNOW FRIDAY MORNING. WAVES 2 TO 4 FEET OVERNIGHT
BUILDING TO 4 TO 9 FEET FRIDAY AND FRIDAY EVENING.


$$

KLUBER



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