Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 280847
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
347 AM EST SAT FEB 28 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.6 INCH HIGH PRESSURE CENTERED OVER THE OHIO RIVER
VALLEY THIS MORNING WILL REACH THE MID ATLANTIC STATES THIS AFTERNOON
AND MOVE OFF THE EAST COAST SUNDAY. MEANWHILE...A 29.8 INCH LOW
PRESSURE TROUGH SWINGING SOUTHEAST ACROSS CENTRAL CANADA WILL SWEEP
ACROSS LAKE SUPERIOR SUNDAY AFTERNOON AND NIGHT. IN ITS 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.

LSZ162-281700-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
347 AM EST SAT FEB 28 2015

.EARLY THIS MORNING...SOUTHWEST WINDS 10 TO 20 KNOTS.
.TODAY...SOUTHWEST WINDS 10 TO 20 KNOTS.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS.
.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 SLIGHT CHANCE OF
SNOW SHOWERS IN THE EVENING.
.MONDAY...WEST WINDS 5 TO 15 KNOTS.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A
CHANCE OF SNOW.
.WEDNESDAY...WEST WINDS 10 TO 20 KNOTS.

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

$$

LSZ263-281700-
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-
347 AM EST SAT FEB 28 2015

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

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

$$

LSZ264-281700-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
347 AM EST SAT FEB 28 2015

.EARLY THIS MORNING...SOUTHWEST WINDS 15 TO 25 KNOTS.
.TODAY...SOUTHWEST WINDS 15 TO 25 KNOTS.
.TONIGHT...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 CHANCE OF SNOW SHOWERS.
.SUNDAY NIGHT...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST AFTER
MIDNIGHT.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS. A CHANCE OF SNOW.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS.

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

$$

LSZ265-281700-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
347 AM EST SAT FEB 28 2015

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

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

$$

LSZ266-281700-
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-
347 AM EST SAT FEB 28 2015

.EARLY THIS MORNING...SOUTHWEST WINDS 10 TO 20 KNOTS.
.TODAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING SOUTH 10 TO
20 KNOTS IN THE AFTERNOON.
.TONIGHT...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 15 TO 25 KNOTS VEERING WEST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
20 TO 30 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS.
.MONDAY...NORTHWEST WINDS 15 TO 25 KNOTS.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A CHANCE
OF SNOW...THEN 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.

$$

LSZ267-281700-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
347 AM EST SAT FEB 28 2015

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

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

$$

LSZ261-281700-
MAFOR 2810/
SUPERIOR WEST 12520 12530 11520 11420 12530. WAVES OMITTED FOR
MOSTLY ICE COVERED AREAS.

SUPERIOR NORTH CENTRAL 14530 11420 11410 12530. WAVES OMITTED FOR
MOSTLY ICE COVERED AREAS.

SUPERIOR SOUTH CENTRAL 11510 12520 11310 13420 11520. WAVES
OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR EAST 11510 12520 12410 12420 11520. WAVES OMITTED FOR
MOSTLY ICE COVERED AREAS.

$$

KC


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