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NWS Forecast

FZUS63 KMQT 282045
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
345 PM EST SAT FEB 28 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

SYNOPSIS
A 30.7 INCH HIGH PRESSURE SYSTEM CENTERED OVER
CHESAPEAKE BAY THIS AFTERNOON WILL MOVE OFF THE EASTERN SEABOARD ON
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.

LSZ162-010445-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
345 PM EST SAT FEB 28 2015

LATE THIS AFTERNOON
SOUTHWEST WINDS 10 TO 20 KNOTS.

TONIGHT
SOUTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS AFTER MIDNIGHT.

SUNDAY
SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST IN THE
AFTERNOON.

SUNDAY NIGHT
WEST WINDS 10 TO 20 KNOTS. ISOLATED 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 WEST IN THE
AFTERNOON. A CHANCE OF SNOW.

TUESDAY NIGHT
NORTHWEST WINDS 10 TO 20 KNOTS.

WEDNESDAY
WEST WINDS 10 TO 20 KNOTS.

THURSDAY
WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST.

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



LSZ263-010445-
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-
345 PM EST SAT FEB 28 2015

LATE THIS AFTERNOON
SOUTHWEST WINDS 10 TO 20 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 SLIGHT CHANCE OF SNOW SHOWERS.

SUNDAY NIGHT
WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. ISOLATED 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 WEST IN THE
AFTERNOON. A CHANCE OF SNOW.

TUESDAY NIGHT
NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW.

WEDNESDAY
NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST.

THURSDAY
WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST.

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



LSZ264-010445-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
345 PM EST SAT FEB 28 2015

LATE THIS AFTERNOON
SOUTHWEST WINDS 10 TO 20 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 SLIGHT CHANCE OF SNOW SHOWERS.

SUNDAY NIGHT
WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS.

MONDAY
NORTHWEST WINDS 10 TO 20 KNOTS.

MONDAY NIGHT
NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST AFTER
MIDNIGHT.

TUESDAY
SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST IN THE
AFTERNOON. A CHANCE OF SNOW IN THE MORNING...THEN SNOW LIKELY IN
THE AFTERNOON.

TUESDAY NIGHT
WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW.

WEDNESDAY
NORTHWEST WINDS 15 TO 25 KNOTS.

THURSDAY
WEST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS.

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



LSZ265-010445-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
345 PM EST SAT FEB 28 2015

LATE THIS AFTERNOON
SOUTH WINDS 5 TO 15 KNOTS.

TONIGHT
SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST 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. SCATTERED SNOW SHOWERS.

MONDAY
NORTHWEST WINDS 10 TO 20 KNOTS.

MONDAY NIGHT
WEST WINDS 10 TO 20 KNOTS.

TUESDAY
SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW IN THE MORNING...THEN
SNOW LIKELY IN THE AFTERNOON.

TUESDAY NIGHT
WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW.

WEDNESDAY
NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS.

THURSDAY
WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST.

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



LSZ266-010445-
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-
345 PM EST SAT FEB 28 2015

LATE THIS AFTERNOON
SOUTH WINDS 10 TO 20 KNOTS.

TONIGHT
SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT.

SUNDAY
SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS.

SUNDAY NIGHT
WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
20 TO 30 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS.

MONDAY
NORTHWEST WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS IN THE MORNING.

MONDAY NIGHT
NORTHWEST WINDS 10 TO 20 KNOTS.

TUESDAY
SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW IN THE MORNING...THEN
SNOW LIKELY IN THE AFTERNOON.

TUESDAY NIGHT
SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING
NORTHWEST 15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW.

WEDNESDAY
NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS.

THURSDAY
WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST.

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



LSZ267-010445-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
345 PM EST SAT FEB 28 2015

LATE THIS AFTERNOON
SOUTH WINDS 5 TO 15 KNOTS.

TONIGHT
SOUTH WINDS 10 TO 20 KNOTS.

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. SCATTERED SNOW SHOWERS.

MONDAY
NORTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING.

MONDAY NIGHT
NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST
10 TO 20 KNOTS AFTER MIDNIGHT.

TUESDAY
SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW IN THE
MORNING...THEN SNOW LIKELY IN THE AFTERNOON.

TUESDAY NIGHT
WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. SNOW LIKELY.

WEDNESDAY
NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS.

THURSDAY
WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST.

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



LSZ261-010445-
MAFOR 2822/
SUPERIOR WEST 11520 11420 12530 11520 12530 11630. WAVES OMITTED
FOR MOSTLY ICE COVERED AREAS.

SUPERIOR NORTH CENTRAL 11420 11410 14530 11530 11630. WAVES
OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR SOUTH CENTRAL 13420 14520 11620. WAVES OMITTED FOR
MOSTLY ICE COVERED AREAS.

SUPERIOR EAST 11410 12420 14520 11520. WAVES OMITTED FOR MOSTLY
ICE COVERED AREAS.



RJT