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NWS Forecast

FZUS63 KMQT 022001
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
401 PM EDT THU JUL 2 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

SYNOPSIS
A 30.0 INCH HIGH PRESSURE RIDGE OVER THE GREAT LAKES
WILL SLOWLY DISSIPATE THROUGH FRIDAY. A LOW PRESSURE TROUGH OF 29.6
INCHES OVER NORTHERN ONTARIO FRIDAY MORNING WILL CROSS THE UPPER
GREAT LAKES BY FRIDAY EVENING. A WEAK 30.0 INCH RIDGE WILL BUILD
BACK ACROSS THE UPPER GREAT LAKES ON SATURDAY AND MOVE TO THE
EASTERN GREAT LAKES SUNDAY. A LOW PRESSURE TROUGH AVERAGING 29.7
INCHES AND EXTENDING FROM WESTERN ONTARIO TO THE CENTRAL PLAINS
SUNDAY AFTERNOON WILL MOVE EASTWARD...EXTENDING FROM QUEBEC TO THE
OHIO VALLEY TUESDAY AFTERNOON.

LSZ162-030415-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
401 PM EDT THU JUL 2 2015

LATE THIS AFTERNOON
SOUTHWEST WINDS 5 TO 15 KNOTS. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

TONIGHT
SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. PATCHY FOG AFTER MIDNIGHT. WAVES BUILDING TO 1 TO
3 FEET.

FRIDAY
SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.

FRIDAY NIGHT
NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT. WAVES CALM TO 2 FEET.

SATURDAY
EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

SATURDAY NIGHT
NORTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.

SUNDAY
EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

SUNDAY NIGHT
SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.

MONDAY
SOUTHWEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST.
SHOWERS AND THUNDERSTORMS LIKELY. WAVES CALM TO 2 FEET.

TUESDAY
NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST. WAVES
CALM TO 2 FEET.



LSZ263-030415-
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-
401 PM EDT THU JUL 2 2015

LATE THIS AFTERNOON
SOUTHWEST WINDS 5 TO 15 KNOTS. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

TONIGHT
SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS.
PATCHY FOG AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.

FRIDAY
SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO
CALM TO 2 FEET.

FRIDAY NIGHT
NORTH WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT. WAVES CALM TO 2 FEET.

SATURDAY
EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

SATURDAY NIGHT
EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

SUNDAY
SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

SUNDAY NIGHT
SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES CALM TO 2 FEET.

MONDAY
SOUTHWEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST.
SHOWERS AND THUNDERSTORMS LIKELY...THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.

TUESDAY
NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST. WAVES
CALM TO 2 FEET.



LSZ264-030415-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
401 PM EDT THU JUL 2 2015

LATE THIS AFTERNOON
SOUTH WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

TONIGHT
SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS.
PATCHY FOG AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.

FRIDAY
SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH EARLY
AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.

FRIDAY NIGHT
NORTHWEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.

SATURDAY
NORTH WINDS 5 TO 15 KNOTS VEERING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.

SATURDAY NIGHT
SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.

SUNDAY
SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

SUNDAY NIGHT
SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES BUILDING TO 1 TO 3 FEET.

MONDAY
SOUTHWEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST.
SHOWERS AND THUNDERSTORMS LIKELY...THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.

TUESDAY
NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST. WAVES CALM
TO 2 FEET.



LSZ265-030415-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
401 PM EDT THU JUL 2 2015

LATE THIS AFTERNOON
SOUTHEAST 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. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET.

FRIDAY
WEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.

FRIDAY NIGHT
NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.

SATURDAY
NORTH WINDS LESS THAN 10 KNOTS BECOMING SOUTHEAST
5 TO 15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.

SATURDAY NIGHT
SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.

SUNDAY
SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.

SUNDAY NIGHT
SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.

MONDAY
SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST. SHOWERS AND
THUNDERSTORMS LIKELY...THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.

TUESDAY
NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST. WAVES CALM
TO 2 FEET.



LSZ266-030415-
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-
401 PM EDT THU JUL 2 2015

LATE THIS AFTERNOON
SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.

TONIGHT
SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING
TO 2 TO 4 FEET.

FRIDAY
SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES SUBSIDING TO 1 TO 3 FEET.

FRIDAY NIGHT
NORTHWEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT. WAVES SUBSIDING TO
CALM TO 2 FEET.

SATURDAY
NORTHWEST WINDS LESS THAN 10 KNOTS BACKING WEST BY
MID AFTERNOON. WAVES CALM TO 2 FEET.

SATURDAY NIGHT
SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.

SUNDAY
SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH BY MID
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.

SUNDAY NIGHT
SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.

MONDAY
SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.

TUESDAY
NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.



LSZ267-030415-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
401 PM EDT THU JUL 2 2015

LATE THIS AFTERNOON
SOUTHEAST 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. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.

FRIDAY
SOUTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.

FRIDAY NIGHT
WEST WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH MIDNIGHT. WAVES CALM TO 2 FEET.

SATURDAY
NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

SATURDAY NIGHT
NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.

SUNDAY
SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.

SUNDAY NIGHT
SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
1 TO 3 FEET.

MONDAY
SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS...THEN SHOWERS
AND THUNDERSTORMS LIKELY. WAVES SUBSIDING TO CALM TO 2 FEET.

TUESDAY
NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH. A CHANCE
OF RAIN SHOWERS. WAVES CALM TO 2 FEET.



LSZ261-030415-
MAFOR 0221/
SUPERIOR WEST 12500 11510 14520 11520. WAVES CALM TO 4 FEET.

SUPERIOR NORTH CENTRAL 13410 14520 11620. PATCHY FOG LATE. CHANCE
OF SHOWERS AND THUNDERSTORMS LATE THIS EVENING THROUGH FRIDAY
MORNING. PATCHY FOG LATE IN THE MORNING. WAVES 1 TO 4 FEET.

SUPERIOR SOUTH CENTRAL 12310 11420 13520 12610. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS FRIDAY. WAVES 1 TO 3 FEET.

SUPERIOR EAST 11300 11310 11410 13520 12510. CHANCE OF SHOWERS
AND THUNDERSTORMS FRIDAY AFTERNOON. WAVES CALM TO 4 FEET.



PETRO