Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 311352
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
952 AM EDT MON AUG 31 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.0 INCH RIDGE WILL REMAIN OVER THE LOWER GREAT LAKES
THROUGH FRIDAY FROM A HIGH CENTERED OVER THE CENTRAL APPALACHIANS.
MEANWHILE...A 29.5 INCH LOW PRESSURE TROUGH STRETCHING FROM SOUTHERN
MANITOBA TO FAR WESTERN ONTARIO WILL CLOSE OFF AND STRENGTHEN TO
29.2 INCHES AS IT MOVES TO SOUTHERN HUDSON BAY THROUGH TUESDAY
MORNING. THIS WILL SHIFT A WEAKENING TROUGH AVERAGING 29.9 INCHES
ACROSS LAKE SUPERIOR ON TUESDAY. FOLLOWING THE TROUGH...A 30.0 INCH
RIDGE WILL BRIEFLY BUILD BACK ACROSS ALL OF LAKE SUPERIOR WEDNESDAY.
LOOK FOR A BROAD 29.5 INCH LOW PRESSURE SYSTEM ACROSS SOUTH CENTRAL
CANADA AND THE CENTRAL PLAINS ON THURSDAY TO REMAIN NEARLY STATIONARY
THROUGH FRIDAY.

LSZ162-312200-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
952 AM EDT MON AUG 31 2015 /852 AM CDT MON AUG 31 2015/

.REST OF TODAY...SOUTH WINDS 5 TO 15 KNOTS. AREAS OF FOG NEAR THE
MINNESOTA SHORE...BECOMING PATCHY IN THE AFTERNOON. WAVES CALM TO 2
FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH EARLY AFTERNOON. PATCHY FOG.
WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES
CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ263-312200-
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-
952 AM EDT MON AUG 31 2015

.REST OF TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY
MID AFTERNOON. AREAS OF FOG NEAR ISLE ROYALE...BECOMING PATCHY IN
THE AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. PATCHY FOG. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES
BUILDING TO 1 TO 3 FEET.
.TUESDAY...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 THROUGH EARLY
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES
CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ264-312200-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
952 AM EDT MON AUG 31 2015

.REST OF TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY
MID AFTERNOON. AREAS OF FOG NORTH...BECOMING PATCHY IN THE
AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS AFTER MIDNIGHT. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS LATE. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 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 CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ265-312200-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
952 AM EDT MON AUG 31 2015

.REST OF TODAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ266-312200-
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-
952 AM EDT MON AUG 31 2015

.REST OF TODAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY
MID AFTERNOON. PATCHY FOG NORTH. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. PATCHY FOG. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 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.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...WEST WINDS LESS THAN 10 KNOTS BECOMING SOUTHEAST
5 TO 15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ267-312200-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
952 AM EDT MON AUG 31 2015

.REST OF TODAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY
MID AFTERNOON. PATCHY FOG. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. WAVES BUILDING
TO 1 TO 3 FEET.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG THROUGH EARLY
AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
CALM TO 2 FEET.

$$
LSZ261-312200-
MAFOR 3115/
SUPERIOR WEST 11413 11400 11410 13520 12510. PATCHY FOG. WAVES 3
FEET OR LESS.

SUPERIOR NORTH CENTRAL 12410 11310 11410 14520. PATCHY FOG. WAVES 1
TO 3 FEET.

SUPERIOR SOUTH CENTRAL 11400 12310 12420 12510 11410. WAVES 2
FEET OR LESS.

SUPERIOR EAST 11403 11300 11310 12420 13520. PATCHY FOG. WAVES 3
FEET OR LESS.

$$

KLUBER



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