Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 280235
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
935 PM 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 ILLINOIS THIS
EVENING WILL REACH THE MID ATLANTIC STATES SATURDAY AND MOVE OFF THE
EAST COAST SUNDAY. MEANWHILE...A 29.8 INCH LOW PRESSURE TROUGH
SWINGING SOUTHEAST ACROSS CENTRAL CANADA SATURDAY WILL SWEEP ACROSS
LAKE SUPERIOR SUNDAY AFTERNOON AND NIGHT. IN IT WAKE...HIGH PRESSURE
OF 30.5 INCHES BUILDING OVER THE PLAINS STATES SUNDAY NIGHT WILL
SHIFT EAST...PASSING ACROSS THE WESTERN GREAT LAKES AND OHIO VALLEY
MONDAY AND MONDAY NIGHT. AS THE HIGH REACHES THE EAST COAST
TUESDAY...29.7 INCH LOW PRESSURE WILL TRACK EAST ACROSS THE CENTRAL
PLAINS TO THE SOUTH OF A 29.5 INCH LOW MOVING INTO FAR NORTHERN
ONTARIO. THE PLAINS LOW WILL REACH THE LOWER GREAT LAKES WEDNESDAY
MORNING WHILE THE NORTHERN LOW MOVES TO JAMES BAY. BEHIND THE
LOWS...HIGH PRESSURE OF 30.4 INCHES WILL BUILD INTO THE WESTERN
PLAINS.

LSZ162-281045-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
935 PM EST FRI FEB 27 2015

.REST OF 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 SHOWERS.
.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...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO 20 KNOTS
IN THE AFTERNOON.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. A CHANCE OF SNOW.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS.

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

$$

LSZ263-281045-
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-
935 PM EST FRI FEB 27 2015

.REST OF TONIGHT...SOUTHWEST WINDS 20 TO 30 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 SHOWERS
AFTER MIDNIGHT.
.SUNDAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KNOTS.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS IN THE AFTERNOON.
.MONDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A CHANCE
OF SNOW.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS.

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

$$

LSZ264-281045-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
935 PM EST FRI FEB 27 2015

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

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

$$

LSZ265-281045-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
935 PM EST FRI FEB 27 2015

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

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

$$

LSZ266-281045-
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-
935 PM EST FRI FEB 27 2015

.REST OF TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS.
.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 SHOWERS
AFTER MIDNIGHT.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS.
.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.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS. SNOW LIKELY.
.WEDNESDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS.

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

$$

LSZ267-281045-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
935 PM EST FRI FEB 27 2015

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

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

$$
LSZ261-281045-
MAFOR 2804/
SUPERIOR WEST 14520 12530 12520. WAVES OMITTED FOR MOSTLY ICE
COVERED AREAS.

SUPERIOR NORTH CENTRAL 15530 11420 11410. WAVES OMITTED FOR
MOSTLY ICE COVERED AREAS.

SUPERIOR SOUTH CENTRAL 13510 12520 11410 12420. WAVES OMITTED FOR
MOSTLY ICE COVERED AREAS.

SUPERIOR EAST 14510 11520 12410 11420. WAVES OMITTED FOR MOSTLY
ICE COVERED AREAS.

$$

PETRO


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