Great Lakes Forecast
Issued by NWS

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FZUS63 KMQT 272055
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
355 PM EST TUE JAN 27 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.3 INCH HIGH PRESSURE RIDGE ACROSS THE UPPER GREAT
LAKES WILL SHIFT TO THE APPALACHIANS BY WEDNESDAY EVENING WHILE A
30.0 INCH LOW PRESSURE TROUGH EXTENDING FROM HUDSON BAY TO SOUTHERN
SASKATCHEWAN MOVES SOUTHEAST TO NEAR LAKE SUPERIOR. A 29.7 INCH LOW
PRESSURE ORGANIZING ALONG THE TROUGH OVER THE NORTHERN PLAINS ON
WEDNESDAY WILL THEN TRACK EAST...CROSSING THE WESTERN GREAT LAKES
EARLY THURSDAY AND ARRIVING OVER NEW ENGLAND FRIDAY MORNING. IN ITS
WAKE...30.7 INCH HIGH PRESSURE BUILDING OVER SOUTH CENTRAL CANADA
THURSDAY WILL SETTLE SOUTHEAST TO THE WESTERN GREAT LAKES FRIDAY AND
THE LOWER GREAT LAKES SATURDAY. A 30.2 INCH LOW PRESSURE TROUGH WILL
THEN CROSS THE UPPER GREAT LAKES SATURDAY. AS THE TROUGH DRIFTS TO
THE LOWER GREAT LAKES AND OHIO VALLEY SUNDAY...HIGH PRESSURE OF 30.6
INCHES WILL BUILD SOUTHEAST ACROSS SOUTH CENTRAL CANADA.

LSZ162-280500-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
355 PM EST TUE JAN 27 2015

.LATE THIS AFTERNOON...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH.
WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WAVES CALM
TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING NORTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES BUILDING
TO 1 TO 3 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW. WAVES BUILDING TO 3 TO
6 FEET.
.THURSDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST IN THE
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH 15 TO
25 KNOTS. WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES SUBSIDING TO 1 TO 3 FEET.

$$

LSZ263-280500-
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-
355 PM EST TUE JAN 27 2015

.LATE THIS AFTERNOON...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING NORTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES BUILDING
TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS. GALE FORCE GUSTS TO 35 KNOTS
IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING. HEAVY FREEZING SPRAY
IN THE AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO 4 TO 7 FEET.
.THURSDAY 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 SUBSIDING TO 2 TO 4 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.
.FRIDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY...NORTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 2 TO 4 FEET.

$$

LSZ264-280500-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
355 PM EST TUE JAN 27 2015

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW. WAVES
BUILDING TO 1 TO 3 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. SNOW LIKELY. WAVES BUILDING TO 3 TO 5 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
40 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY. A CHANCE OF
SNOW. WAVES BUILDING TO 8 TO 11 FEET.
.THURSDAY NIGHT...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF SNOW. WAVES
CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 20 TO
30 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO 5 FEET.
.SUNDAY...NORTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO 2 TO 4 FEET...THEN BUILDING TO 3 TO 5 FEET.

$$

LSZ265-280500-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
355 PM EST TUE JAN 27 2015

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2
FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. SNOW LIKELY. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH GALES
TO 40 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO
4 TO 7 FEET.
.THURSDAY NIGHT...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. WAVES SUBSIDING TO 1 TO 3
FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...NORTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW SHOWERS...
THEN SNOW SHOWERS LIKELY. WAVES 1 TO 3 FEET.

$$

LSZ266-280500-
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-
355 PM EST TUE JAN 27 2015

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

$$

LSZ267-280500-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
355 PM EST TUE JAN 27 2015

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW IN THE
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS. SNOW. WAVES
BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING NORTH GALES TO
35 KNOTS IN THE AFTERNOON. SNOW LIKELY IN THE MORNING...THEN A
CHANCE OF SNOW. HEAVY FREEZING SPRAY IN THE AFTERNOON. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 9 TO 12 FEET.
.THURSDAY NIGHT...NORTH GALES TO 40 KNOTS DIMINISHING TO 20 TO
30 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. SNOW SHOWERS
LIKELY. WAVES BUILDING TO 10 TO 14 FEET...THEN SUBSIDING TO 4 TO
7 FEET.
.FRIDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY IN THE MORNING.
SNOW SHOWERS LIKELY IN THE MORNING...THEN A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW. WAVES 1 TO 3 FEET.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS. SNOW LIKELY...THEN A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 2 TO 4 FEET.
.SUNDAY...NORTHEAST WINDS 15 TO 25 KNOTS BACKING NORTH. A CHANCE
OF SNOW SHOWERS. WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING
TO 2 TO 4 FEET.

$$

LSZ261-280500-
MAFOR 2722/
SUPERIOR WEST 11500 11510 12520 12410 12310. WAVES 2 FEET OR
LESS.

SUPERIOR NORTH CENTRAL 11410 14510 11510 11410 11320. WAVES 2
FEET OR LESS.

SUPERIOR SOUTH CENTRAL 12410 12510 13410 11420. WAVES 3 FEET OR
LESS.

SUPERIOR EAST 11400 11420 14520 12420. CHANCE OF SNOW LATE
WEDNESDAY. WAVES 1 TO 3 FEET.

$$

KLUBER



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