Great Lakes Forecast
Issued by NWS

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FZUS63 KMQT 271508
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1008 AM EST FRI FEB 27 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.7 INCH HIGH PRESSURE CENTERED OVER IOWA THIS
MORNING WILL MOVE EAST INTO THE MID ATLANTIC STATES ON SATURDAY AND
OFF THE EAST COAST ON SUNDAY. MEANWHILE...A 29.5 INCH LOW PRESSURE
OVER CENTRAL CANADA WILL MOVE ACROSS HUDSON BAY INTO NORTHERN
QUEBEC...DRAGGING A COLD FRONT ACROSS LAKE SUPERIOR ON SUNDAY NIGHT.
BEHIND THIS FRONT...EXPECT A 30.5 INCH HIGH PRESSURE SYSTEM OVER
MONTANA ON SUNDAY TO SHIFT INTO THE UPPER MIDWEST ON MONDAY AND THEN
INTO THE MID ATLANTIC STATES ON TUESDAY AS A 29.4 INCH LOW PRESSURE
OVER THE CENTRAL PLAINS MOVES TOWARD THE MIDDLE MISSISSIPPI RIVER
VALLEY TO THE SOUTH OF ANOTHER 29.5 INCH LOW DRIFTING INTO FAR
NORTHWEST ONTARIO.

LSZ162-272315-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1008 AM EST FRI FEB 27 2015

.REST OF TODAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST
15 TO 25 KNOTS IN THE AFTERNOON.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON.
.SATURDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST IN THE
AFTERNOON.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. A CHANCE OF SNOW.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

LSZ263-272315-
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-
1008 AM EST FRI FEB 27 2015

.REST OF TODAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST IN
THE AFTERNOON.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW.
.SUNDAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS IN THE AFTERNOON.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A CHANCE
OF SNOW.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

LSZ264-272315-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1008 AM EST FRI FEB 27 2015

.REST OF TODAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST
15 TO 25 KNOTS IN THE AFTERNOON.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST AFTER
MIDNIGHT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT.
.SUNDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST IN THE
AFTERNOON.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTH.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A CHANCE
OF SNOW.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

LSZ265-272315-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1008 AM EST FRI FEB 27 2015

.REST OF TODAY...WEST WINDS 5 TO 15 KNOTS.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
AFTER MIDNIGHT.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW AFTER MIDNIGHT.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST IN THE
AFTERNOON.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO 15 KNOTS.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A CHANCE
OF SNOW.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

LSZ266-272315-
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-
1008 AM EST FRI FEB 27 2015

.REST OF TODAY...WEST WINDS 10 TO 20 KNOTS.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS IN THE EVENING.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTH.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS. A CHANCE OF SNOW.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

LSZ267-272315-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1008 AM EST FRI FEB 27 2015

.REST OF TODAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW AFTER MIDNIGHT.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO 15 KNOTS.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS BACKING NORTH. A CHANCE OF
SNOW.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$
LSZ261-272315-
MAFOR 2716/
SUPERIOR WEST 11520 13530 14520. WAVES OMITTED FOR MOSTLY ICE
COVERED AREAS.

SUPERIOR NORTH CENTRAL 11630 13530 12620 11520 11530. WAVES
OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR SOUTH CENTRAL 12620 13510 11620 12510. WAVES OMITTED FOR
MOSTLY ICE COVERED AREAS.

SUPERIOR EAST 12620 15510. WAVES OMITTED FOR MOSTLY ICE COVERED
AREAS.

$$

JS



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