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NWS Forecast

FZUS63 KMQT 021404
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1004 AM EDT TUE SEP 2 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

SYNOPSIS
A 30.0 INCH HIGH PRESSURE OVER THE MID MISSISSIPPI
RIVER VALLEY TODAY WILL SHIFT EAST INTO THE MID ATLANTIC STATES TONIGHT
AND WEDNESDAY. MEANWHILE...A 29.5 INCH LOW PRESSURE CENTER IN
MONTANA WILL SHIFT EAST INTO THE DAKOTAS ON WEDNESDAY BEFORE MOVING
NORTHEAST TO JAMES BAY BY FRIDAY MORNING. AS THAT OCCURS...IT WILL
DRAG A COLD FRONT AVERAGING 29.6 INCHES ACROSS THE UPPER GREAT LAKES
ON THURSDAY NIGHT. IN ITS WAKE...A 30.3 INCH HIGH PRESSURE SYSTEM
WILL MOVE OVER THE NORTHERN PLAINS ON FRIDAY AND SHIFT EAST ACROSS
THE GREAT LAKES REGION ON SATURDAY AND SUNDAY.

LSZ162-022215-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1004 AM EDT TUE SEP 2 2014 /904 AM CDT TUE SEP 2 2014/

REST OF TODAY
SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2
FEET...THEN BUILDING TO 1 TO 3 FEET.

TONIGHT
SOUTHWEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
THUNDERSTORMS THROUGH MIDNIGHT. A SLIGHT CHANCE OF SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.

WEDNESDAY
SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS BY MID
AFTERNOON. WAVES CALM TO 2 FEET.

WEDNESDAY NIGHT
EAST WINDS 5 TO 15 KNOTS. PATCHY FOG. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

THURSDAY
SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

THURSDAY NIGHT
WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST
20 TO 30 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 4 TO 7 FEET...
THEN SUBSIDING TO 3 TO 6 FEET.

FRIDAY
NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.

SATURDAY
WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.



LSZ263-022215-
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-
1004 AM EDT TUE SEP 2 2014

REST OF TODAY
WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST BY
MID AFTERNOON. WAVES 1 TO 3 FEET.

TONIGHT
SOUTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.

WEDNESDAY
SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.

WEDNESDAY NIGHT
SOUTH WINDS 5 TO 15 KNOTS. PATCHY FOG. A
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES
CALM TO 2 FEET.

THURSDAY
SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

THURSDAY NIGHT
WEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 5 TO 8 FEET.

FRIDAY
NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.

SATURDAY
WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.



LSZ264-022215-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1004 AM EDT TUE SEP 2 2014

REST OF TODAY
WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST BY
MID AFTERNOON. WAVES 1 TO 3 FEET.

TONIGHT
SOUTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS. WAVES 1 TO 3 FEET.

WEDNESDAY
SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.

WEDNESDAY NIGHT
SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS
AND A SLIGHT CHANCE OF THUNDERSTORMS. PATCHY FOG AFTER MIDNIGHT.
WAVES BUILDING TO 1 TO 3 FEET.

THURSDAY
SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.

THURSDAY NIGHT
SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
20 TO 30 KNOTS AFTER MIDNIGHT. PATCHY FOG THROUGH MIDNIGHT. WAVES
BUILDING TO 5 TO 8 FEET.

FRIDAY
NORTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.

SATURDAY
WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.



LSZ265-022215-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1004 AM EDT TUE SEP 2 2014

REST OF TODAY
WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

TONIGHT
SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.

WEDNESDAY
SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID
AFTERNOON. WAVES CALM TO 2 FEET.

WEDNESDAY NIGHT
SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS THROUGH MIDNIGHT...THEN SHOWERS LIKELY AND A SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO
3 FEET.

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

THURSDAY NIGHT
SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST
20 TO 30 KNOTS AFTER MIDNIGHT. A CHANCE OF THUNDERSTORMS THROUGH
MIDNIGHT. A CHANCE OF SHOWERS. WAVES BUILDING TO 3 TO 6 FEET.

FRIDAY
NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.

SATURDAY
WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.



LSZ266-022215-
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-
1004 AM EDT TUE SEP 2 2014

REST OF TODAY
SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG NEAR THE
CANADIAN BORDER. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS NEAR THE
UPPER MICHIGAN SHORELINE BY MID AFTERNOON. WAVES 1 TO 3 FEET.

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

WEDNESDAY
SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.

WEDNESDAY NIGHT
SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS THROUGH MIDNIGHT...THEN SHOWERS LIKELY AND A SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. PATCHY FOG AFTER
MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.

THURSDAY
SOUTH WINDS 10 TO 20 KNOTS. AREAS OF FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FEET.

THURSDAY NIGHT
SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
20 TO 30 KNOTS AFTER MIDNIGHT. PATCHY FOG THROUGH MIDNIGHT. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 5 TO
8 FEET.

FRIDAY
NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES BUILDING TO 6 TO 9 FEET...THEN SUBSIDING TO 1 TO
3 FEET.

SATURDAY
WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.



LSZ267-022215-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1004 AM EDT TUE SEP 2 2014

REST OF TODAY
SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST BY
MID AFTERNOON. PATCHY FOG NEAR THE CANADIAN BORDER. WAVES 1 TO 3 FEET
SUBSIDING TO CALM TO 2 FEET.

TONIGHT
SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.

WEDNESDAY
SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.

WEDNESDAY NIGHT
SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. PATCHY
FOG AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.

THURSDAY
SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. SHOWERS AND
THUNDERSTORMS LIKELY THROUGH EARLY AFTERNOON. A CHANCE OF SHOWERS
AND THUNDERSTORMS BY MID AFTERNOON. WAVES 1 TO 3 FEET.

THURSDAY NIGHT
SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST
AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
BUILDING TO 4 TO 7 FEET.

FRIDAY
NORTHWEST WINDS 20 TO 30 KNOTS BECOMING NORTH 10 TO
20 KNOTS. WAVES BUILDING TO 5 TO 8 FEET...THEN SUBSIDING TO 1 TO
3 FEET.

SATURDAY
WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.


LSZ261-022215-
MAFOR 0215/
SUPERIOR WEST 13520 14510 11510. SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS THIS EVENING. WAVES 1 TO 3 FEET.

SUPERIOR NORTH CENTRAL 14520 14510. SLIGHT CHANCE OF RAIN SHOWERS
OVERNIGHT. WAVES 1 TO 3 FEET.

SUPERIOR SOUTH CENTRAL 12610 11500 14510 11510. WAVES 1 TO 2 FEET.

SUPERIOR EAST 11513 12500 14510 11510. PATCHY FOG THIS AFTERNOON.
WAVES 3 FEET OR LESS.



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