Great Lakes Forecast
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FZUS63 KMQT 121507
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1007 AM EST THU JAN 12 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.1 INCH RIDGE OVER EASTERN LAKE SUPERIOR THIS MORNING
WILL CONTINUE EASTWARD. A 29.8 INCH TROUGH WILL MOVE EASTWARD JUST
NORTH OF THE LAKE SUPERIOR THIS AFTERNOON INTO TONIGHT WILL BE
FOLLOWED BY A 30.8 INCH RIDGE INTO FRIDAY. THE RIDGE WILL MOVE OVER
THE LAKE DURING THE DAY ON FRIDAY...FOLLOWED BY A WEAK TROUGH OF 30.4
INCHES FRIDAY NIGHT INTO SATURDAY. A 30.5 INCH RIDGE WILL THEN BUILD
ACROSS THE UPPER MISSISSIPPI RIVER VALLEY SATURDAY INTO SUNDAY. THIS
RIDGE WILL MOVE ACROSS THE GREAT LAKES DURING THE DAY ON SUNDAY
BEFORE WEAKENING ON MONDAY.

LSZ162-122315-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1007 AM EST THU JAN 12 2017 /907 AM CST THU JAN 12 2017/

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH THIS EVENING...
...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...SOUTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST
GALES TO 40 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY. A
SLIGHT CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FEET
BUILDING TO 6 TO 10 FEET.
.TONIGHT...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY IN THE EVENING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING. WAVES
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS
AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 6 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING CALM TO
2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING NORTHEAST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ263-122315-
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 AM EST THU JAN 12 2017

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH FRIDAY
MORNING...
...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST
GALES TO 45 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FEET BUILDING TO 11 TO
15 FEET.
.TONIGHT...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY AFTER MIDNIGHT. A
CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO 4 TO
7 FEET.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING. WAVES
SUBSIDING TO 2 TO 4 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING NORTHEAST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ264-122315-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1007 AM EST THU JAN 12 2017

...GALE WARNING IN EFFECT THROUGH THIS EVENING...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 1 PM EST THIS
AFTERNOON THROUGH FRIDAY MORNING...

.REST OF TODAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST
GALES TO 40 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS.
HEAVY FREEZING SPRAY IN THE AFTERNOON. WAVES CALM TO 2 FEET
BUILDING TO 11 TO 15 FEET.
.TONIGHT...WEST GALES TO 45 KNOTS DECREASING TO 35 KNOTS BY
MIDNIGHT...THEN BECOMING NORTHWEST 20 TO 30 KNOTS AFTER MIDNIGHT.
HEAVY FREEZING SPRAY. SNOW SHOWERS LIKELY IN THE EVENING. A CHANCE
OF SNOW SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 4 TO 7 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS INCREASING TO
20 TO 30 KNOTS AFTER MIDNIGHT. FREEZING SPRAY AFTER MIDNIGHT. A
CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO 4 TO
7 FEET.
.SATURDAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES TO 4 TO 8 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS. WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO
4 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ265-122315-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1007 AM EST THU JAN 12 2017

...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 3 PM EST THIS
AFTERNOON THROUGH FRIDAY MORNING...
...GALE WARNING IN EFFECT FROM 4 PM EST THIS AFTERNOON THROUGH
LATE TONIGHT...

.REST OF TODAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO GALES TO
35 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. HEAVY
FREEZING SPRAY IN THE AFTERNOON. WAVES CALM TO 2 FEET BUILDING TO
6 TO 9 FEET.
.TONIGHT...NORTHWEST GALES TO 45 KNOTS DIMINISHING TO 20 TO
30 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. SNOW SHOWERS. WAVES
BUILDING TO 7 TO 10 FEET...THEN SUBSIDING TO 3 TO 6 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.SATURDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING EAST. WAVES CALM
TO 2 FEET.

$$

LSZ266-122315-
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 AM EST THU JAN 12 2017

...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 3 PM EST THIS
AFTERNOON THROUGH FRIDAY MORNING...
...GALE WARNING IN EFFECT FROM 4 PM EST THIS AFTERNOON THROUGH
LATE TONIGHT...

.REST OF TODAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO GALES TO
40 KNOTS BY LATE AFTERNOON. A CHANCE OF SNOW SHOWERS. HEAVY FREEZING
SPRAY BY LATE AFTERNOON. WAVES CALM TO 2 FEET BUILDING TO 11 TO 15
FEET.
.TONIGHT...NORTHWEST GALES TO 45 KNOTS DIMINISHING TO 20 TO 30 KNOTS
AFTER MIDNIGHT. HEAVY FREEZING SPRAY. SNOW SHOWERS LIKELY. WAVES
BUILDING TO 12 TO 17 FEET...THEN SUBSIDING TO 6 TO 9 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY IN THE MORNING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING
TO 3 TO 6 FEET.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS. FREEZING SPRAY. A CHANCE
OF SNOW SHOWERS. WAVES BUILDING TO 5 TO 8 FEET...THEN SUBSIDING
TO 3 TO 6 FEET.
.SATURDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 3 TO
5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTHEAST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ267-122315-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1007 AM EST THU JAN 12 2017

...GALE WARNING IN EFFECT FROM 4 PM EST THIS AFTERNOON THROUGH
LATE TONIGHT...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 7 PM EST THIS
EVENING THROUGH FRIDAY MORNING...

.REST OF TODAY...NORTH WINDS 5 TO 15 KNOTS BECOMING WEST GALES TO 35
KNOTS LATE. A CHANCE OF SNOW SHOWERS LATE IN THE MORNING...THEN SNOW
SHOWERS LIKELY. FREEZING SPRAY IN THE AFTERNOON. WAVES 1 TO 3 FEET
BUILDING TO 7 TO 10 FEET.
.TONIGHT...WEST GALES TO 45 KNOTS BECOMING NORTHWEST GALES TO
35 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. SNOW SHOWERS.
WAVES BUILDING TO 15 TO 20 FEET...THEN SUBSIDING TO 7 TO 10 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 3 TO 5 FEET.
.SATURDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST IN THE
AFTERNOON. FREEZING SPRAY IN THE MORNING. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO
6 FEET.
.SATURDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO
3 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS BACKING SOUTHEAST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$
LSZ261-122315-
MAFOR 1216/
SUPERIOR WEST...GALE AND HEAVY FREEZING SPRAY WARNINGS IN
EFFECT...11552 11662 11652 11752 11742 11722 12710. CHANCE OF SNOW
SHOWERS TONIGHT. WAVES 4 TO 6 FEET BUILDING TO 7 TO 11 FEET THIS
AFTERNOON. WAVES SUBSIDING TO 3 TO 5 FEET TONIGHT. WAVES SUBSIDING
TO 1 TO 3 FEET FRIDAY MORNING.

SUPERIOR NORTH CENTRAL...GALE AND HEAVY FREEZING SPRAY WARNINGS IN
EFFECT...11550 12662 11752 11757 11747 11732 11720. CHANCE OF SNOW
SHOWERS THIS AFTERNOON. SNOW SHOWERS LIKELY THIS EVENING. CHANCE OF
SNOW SHOWERS OVERNIGHT AND FRIDAY MORNING. WAVES 2 TO 4 FEET
BUILDING TO 11 TO 15 FEET THIS AFTERNOON. WAVES SUBSIDING TO 6 TO 9
FEET TONIGHT. WAVES SUBSIDING TO 3 TO 6 FEET FRIDAY MORNING.

SUPERIOR SOUTH CENTRAL...GALE AND HEAVY FREEZING SPRAY WARNINGS IN
EFFECT...11630 11652 11662 11667 11757 11747 11732 11722. HEAVY
FREEZING SPRAY. CHANCE OF SNOW SHOWERS LATE TONIGHT AND FRIDAY
MORNING. WAVES 1 TO 2 FEET BUILDING TO 5 TO 8 FEET THIS AFTERNOON.
WAVES BUILDING TO 9 TO 13 FEET THEN SUBSIDING TO 6 TO 9 FEET TONIGHT.
WAVES SUBSIDING TO 3 TO 5 FEET FRIDAY MORNING.

SUPERIOR EAST...GALE AND HEAVY FREEZING SPRAY WARNINGS IN
EFFECT...11520 11540 12667 11757 11747 11732 11722. CHANCE OF SNOW
SHOWERS THIS AFTERNOON. HEAVY FREEZING SPRAY TONIGHT AND FRIDAY
MORNING. CHANCE OF SNOW SHOWERS FRIDAY MORNING. WAVES 2 TO 3 FEET
BUILDING TO 6 TO 9 FEET THIS AFTERNOON. WAVES BUILDING TO 14 TO 18
FEET...THEN SUBSIDING TO 10 TO 13 FEET TONIGHT. WAVES SUBSIDING TO 5
TO 7 FEET FRIDAY MORNING.

$$

KLUBER



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