Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 241943
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
343 PM EDT WED JUN 24 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.8 INCH LOW PRESSURE SYSTEM IN NORTHWEST KANSAS
WILL MOVE NORTHEAST THROUGH THE LOWER GREAT LAKES REGION ON THURSDAY
AND THEN THROUGH THE MID ATLANTIC STATES THURSDAY NIGHT. AN
ELONGATED TROUGH WILL STRETCH WEST INTO THE CENTRAL PLAINS THURSDAY
INTO FRIDAY...WITH A 29.8 INCH LOW DEVELOPING ALONG THAT TROUGH ON
FRIDAY AFTERNOON IN MISSOURI AND MOVING EAST INTO THE MID ATLANTIC
STATES BY SATURDAY AFTERNOON AT 29.7 INCHES. MEANWHILE...A 30.1 INCH
HIGH WILL MOVE SOUTH OVER THE UPPER GREAT LAKES REGION TONIGHT AND
REMAIN THROUGH SATURDAY. A SERIES OF 29.8 INCH LOW PRESSURE TROUGHS
WILL THEN DROP SOUTHEAST ACROSS LAKE SUPERIOR SUNDAY INTO MONDAY.

LSZ162-250345-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
343 PM EDT WED JUN 24 2015

.LATE THIS AFTERNOON...EAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.THURSDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS DIMINISHING TO
LESS THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS LESS THAN 10 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...EAST WINDS LESS THAN 10 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS LESS THAN 10 KNOTS BACKING SOUTH BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST. A
CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTH. WAVES CALM TO
2 FEET.

$$

LSZ263-250345-
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-
343 PM EDT WED JUN 24 2015

.LATE THIS AFTERNOON...EAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST AFTER
MIDNIGHT. A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.THURSDAY...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...NORTHEAST WINDS LESS THAN 10 KNOTS VEERING EAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS LESS THAN 10 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTH WINDS LESS THAN 10 KNOTS. WAVES CALM TO
2 FEET.
.SATURDAY...SOUTHWEST WINDS LESS THAN 10 KNOTS. WAVES CALM TO
2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST. A
CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST. A CHANCE OF
RAIN SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ264-250345-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
343 PM EDT WED JUN 24 2015

.LATE THIS AFTERNOON...EAST WINDS 5 TO 15 KNOTS. PATCHY FOG. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.THURSDAY...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS LESS THAN 10 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS LESS THAN 10 KNOTS BECOMING SOUTHEAST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING NORTHWEST. WAVES CALM
TO 2 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST. A CHANCE OF
RAIN SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ265-250345-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
343 PM EDT WED JUN 24 2015

.LATE THIS AFTERNOON...EAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. WAVES CALM TO 2 FEET.
.THURSDAY...NORTHEAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH EARLY AFTERNOON. WAVES CALM TO
2 FEET.
.THURSDAY NIGHT...EAST WINDS LESS THAN 10 KNOTS. WAVES CALM TO
2 FEET.
.FRIDAY...EAST WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS
THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING NORTHWEST. A
CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.MONDAY...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH. A CHANCE
OF SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ266-250345-
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-
343 PM EDT WED JUN 24 2015

.LATE THIS AFTERNOON...EAST WINDS 5 TO 15 KNOTS. PATCHY FOG. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS LESS THAN 10 KNOTS. A CHANCE OF RAIN
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES CALM TO
2 FEET.
.THURSDAY...NORTHEAST WINDS LESS THAN 10 KNOTS BECOMING NORTH
5 TO 15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...NORTH WINDS LESS THAN 10 KNOTS BACKING
NORTHWEST AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...NORTH WINDS LESS THAN 10 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...EAST WINDS LESS THAN 10 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS LESS THAN 10 KNOTS. WAVES CALM TO
2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES CALM TO 2 FEET.
.MONDAY...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH. A CHANCE
OF RAIN SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ267-250345-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
343 PM EDT WED JUN 24 2015

.LATE THIS AFTERNOON...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...NORTHEAST WINDS LESS THAN 10 KNOTS VEERING EAST AFTER
MIDNIGHT. A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTH BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
CALM TO 2 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS DIMINISHING TO
LESS THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...NORTH WINDS LESS THAN 10 KNOTS BACKING NORTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES CALM TO 2 FEET.
.MONDAY...NORTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ261-250345-
MAFOR 2421/
SUPERIOR WEST 11210 15100 11200. CHANCE OF SHOWERS AND
THUNDERSTORMS TONIGHT. WAVES 1 FOOT OR LESS.

SUPERIOR NORTH CENTRAL 11200 11300 14200 12100. PATCHY FOG
THROUGH EARLY EVENING. WAVES 1 FOOT OR LESS.

SUPERIOR SOUTH CENTRAL 15200 12100. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS OVERNIGHT...AND AGAIN THURSDAY AFTERNOON.
WAVES 1 FOOT OR LESS.

SUPERIOR EAST 12800 11100 13200 11100 11800. WAVES 1 FOOT OR
LESS.

$$

RJT



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