Great Lakes Forecast
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000
FZUS63 KMQT 290854
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
354 AM EST THU JAN 29 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.8 INCH LOW PRESSURE SYSTEM NEAR NORTHERN LAKE
SUPERIOR THIS MORNING WILL MOVE INTO QUEBEC THIS AFTERNOON WHILE
ANOTHER 29.7 INCH LOW NEAR CHICAGO SHIFTS EAST INTO NEW ENGLAND ON
FRIDAY MORNING. MEANWHILE...30.7 INCH HIGH PRESSURE OVER SOUTH
CENTRAL CANADA WILL MOVE SOUTHEAST INTO MINNESOTA ON FRIDAY. AS THIS
HIGH DRIFTS INTO THE OHIO RIVER VALLEY ON SATURDAY...A LOW PRESSURE
TROUGH AVERAGING 30.1 INCHES WILL SLIDE ACROSS THE UPPER GREAT
LAKES. EXPECT 30.8 INCH HIGH PRESSURE OVER CENTRAL CANADA ON
SATURDAY TO MOVE SOUTHEAST INTO THE NORTHERN PLAINS ON SUNDAY...AND
THE MID MISSISSIPPI RIVER VALLEY ON MONDAY.

LSZ162-291700-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
354 AM EST THU JAN 29 2015

.EARLY THIS MORNING...NORTHWEST WINDS 15 TO 25 KNOTS. WAVES CALM
TO 2 FEET BUILDING TO 1 TO 3 FEET.
.TODAY...NORTHWEST WINDS 20 TO 30 KNOTS. A SLIGHT CHANCE OF SNOW.
WAVES BUILDING TO 3 TO 6 FEET.
.TONIGHT...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST IN THE
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 25 KNOTS VEERING NORTH IN THE
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.

$$

LSZ263-291700-
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-
354 AM EST THU JAN 29 2015

...GALE WARNING IN EFFECT FROM 7 AM EST THIS MORNING THROUGH LATE
TONIGHT...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 1 PM EST THIS
AFTERNOON THROUGH LATE TONIGHT...

.EARLY THIS MORNING...NORTHWEST WINDS 15 TO 25 KNOTS. A SLIGHT
CHANCE OF SNOW. WAVES 1 TO 3 FEET.
.TODAY...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING NORTH GALES TO
35 KNOTS IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING. HEAVY
FREEZING SPRAY IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW. WAVES
BUILDING TO 5 TO 8 FEET.
.TONIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY IN THE EVENING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 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 VEERING WEST AFTER
MIDNIGHT. A CHANCE OF SNOW. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH 20 TO
30 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO
3 TO 5 FEET.
.SATURDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...NORTHWEST 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...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.

$$

LSZ264-291700-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
354 AM EST THU JAN 29 2015

...GALE WARNING IN EFFECT FROM 7 AM EST THIS MORNING THROUGH LATE
TONIGHT...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 1 PM EST THIS
AFTERNOON THROUGH FRIDAY MORNING...

.EARLY THIS MORNING...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW.
WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET.
.TODAY...NORTH WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
40 KNOTS IN THE AFTERNOON. GALE FORCE GUSTS TO 35 KNOTS THIS
MORNING. HEAVY FREEZING SPRAY. A SLIGHT CHANCE OF SNOW. WAVES
BUILDING TO 10 TO 14 FEET...THEN SUBSIDING TO 9 TO 12 FEET.
.TONIGHT...NORTH 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 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 BECOMING WEST
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW IN THE EVENING...
THEN SNOW LIKELY AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING NORTH GALES
TO 35 KNOTS IN THE AFTERNOON. SNOW LIKELY. HEAVY FREEZING SPRAY
IN THE AFTERNOON. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING
TO 3 TO 6 FEET.
.SATURDAY NIGHT...NORTH WINDS 20 TO 30 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.
.SUNDAY...NORTHWEST 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 2 TO 4 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. SNOW SHOWERS LIKELY...THEN A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET...THEN
BUILDING TO 2 TO 4 FEET.

$$

LSZ265-291700-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
354 AM EST THU JAN 29 2015

...GALE WARNING IN EFFECT FROM 10 AM EST THIS MORNING THROUGH
LATE TONIGHT...

.EARLY THIS MORNING...WEST WINDS 5 TO 15 KNOTS. SNOW LIKELY.
WAVES CALM TO 2 FEET.
.TODAY...NORTHWEST WINDS 15 TO 25 KNOTS INCREASING TO GALES TO
40 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO
3 TO 5 FEET.
.TONIGHT...NORTH GALES TO 35 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY IN THE EVENING...
THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO
CALM TO 2 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 5 TO
15 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES CALM
TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH 20 TO
30 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW IN THE MORNING...THEN
SNOW LIKELY IN THE AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS IN THE
EVENING...THEN SNOW SHOWERS LIKELY AFTER MIDNIGHT. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.MONDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ266-291700-
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-
354 AM EST THU JAN 29 2015

...GALE WARNING IN EFFECT FROM 10 AM EST THIS MORNING THROUGH
LATE TONIGHT...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 1 PM EST THIS
AFTERNOON THROUGH FRIDAY MORNING...

.EARLY THIS MORNING...SOUTHWEST WINDS 10 TO 20 KNOTS. SNOW. WAVES
3 TO 5 FEET.
.TODAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH GALES TO
45 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW...THEN SNOW LIKELY IN
THE AFTERNOON. HEAVY FREEZING SPRAY IN THE AFTERNOON. WAVES SUBSIDING
TO 2 TO 4 FEET...THEN BUILDING TO 10 TO 14 FEET.
.TONIGHT...NORTH GALES TO 40 KNOTS. HEAVY FREEZING SPRAY. SNOW
SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY IN THE MORNING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW IN THE EVENING...
THEN SNOW LIKELY AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING NORTH GALES
TO 35 KNOTS IN THE AFTERNOON. SNOW LIKELY. HEAVY FREEZING SPRAY
IN THE AFTERNOON. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING
TO 3 TO 6 FEET.
.SATURDAY NIGHT...NORTH GALES TO 35 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY IN THE EVENING.
SNOW SHOWERS LIKELY. WAVES SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS. SNOW SHOWERS LIKELY.
WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 2 TO 4 FEET.
.MONDAY...WEST WINDS 15 TO 25 KNOTS. SNOW SHOWERS LIKELY...THEN A
CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 3 TO 5 FEET.

$$

LSZ267-291700-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
354 AM EST THU JAN 29 2015

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

.EARLY THIS MORNING...SOUTH WINDS 15 TO 25 KNOTS. SNOW. WAVES
2 TO 4 FEET.
.TODAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS IN THE AFTERNOON. SNOW IN THE MORNING...THEN A CHANCE OF
SNOW IN THE AFTERNOON. HEAVY FREEZING SPRAY IN THE AFTERNOON.
WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 10 TO
14 FEET.
.TONIGHT...NORTH GALES TO 40 KNOTS DIMINISHING TO 20 TO 30 KNOTS
AFTER MIDNIGHT. HEAVY FREEZING SPRAY. SNOW SHOWERS LIKELY. WAVES
SUBSIDING TO 4 TO 7 FEET.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS IN THE AFTERNOON. SNOW SHOWERS LIKELY. WAVES SUBSIDING
TO CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
IN THE EVENING...THEN SNOW LIKELY AFTER MIDNIGHT. WAVES BUILDING
TO 1 TO 3 FEET.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS IN THE AFTERNOON. SNOW. WAVES BUILDING TO 3 TO 5 FEET.
.SATURDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY IN THE EVENING. A
CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 3 TO 6 FEET...THEN
SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. SNOW
SHOWERS LIKELY. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING
TO 2 TO 4 FEET.
.MONDAY...NORTHWEST WINDS 15 TO 25 KNOTS BACKING WEST. SNOW
SHOWERS LIKELY...THEN A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO
3 TO 5 FEET.

$$

LSZ261-291700-
MAFOR 2910/
SUPERIOR WEST...GALE AND HEAVY FREEZING SPRAY WARNINGS IN
EFFECT...11730 13740 11742 11842 11830 11730. FREEZING SPRAY THIS
MORNING...WITH HEAVY FREEZING SPRAY THIS AFTERNOON THROUGH TONIGHT.
WAVES 1 TO 2 FEET BUILDING TO 3 TO 7 FEET TODAY. WAVES 2 TO 6 FEET
TONIGHT.

SUPERIOR NORTH CENTRAL...GALE AND HEAVY FREEZING SPRAY WARNINGS IN
EFFECT...11730 11750 13852 12857 11842. HEAVY FREEZING SPRAY. A
CHANCE OF SNOW THIS MORNING...AND AGAIN LATE TONIGHT. WAVES 2 TO 5
FEET BUILDING TO 9 TO 12 FEET TODAY. WAVES 8 TO 12 FEET SUBSIDING TO
4 TO 7 FEET TONIGHT.

SUPERIOR SOUTH CENTRAL...GALE AND HEAVY FREEZING SPRAY WARNINGS IN
EFFECT...11527 11740 12752 12767 11857 11747. HEAVY FREEZING SPRAY
THIS AFTERNOON THROUGH TONIGHT. CHANCE OF SNOW THIS AFTERNOON. WAVES
1 TO 3 FEET BUILDING TO 10 TO 13 FEET TODAY. WAVES 9 TO 13 FEET
SUBSIDING TO 5 TO 8 FEET TONIGHT.

SUPERIOR EAST...GALE AND HEAVY FREEZING SPRAY WARNINGS IN
EFFECT...11437 11637 11751 11760 12867 11857 11847. HEAVY FREEZING
SPRAY THIS AFTERNOON THROUGH TONIGHT. CHANCE OF SNOW THIS AFTERNOON. WAVES
1 TO 5 FEET THIS MORNING...THEN BUILDING TO 10 TO 14 FEET THIS
AFTERNOON. WAVES 10 TO 14 FEET SUBSIDING TO 6 TO 9 FEET TONIGHT.

$$

KF


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