Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 161950
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
350 PM EDT TUE SEP 16 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...30.1 INCH HIGH PRESSURE CENTERED OVER THE MID MISSISSIPPI
VALLEY WILL DRIFT INTO THE OHIO VALLEY LATE TONIGHT AND WEDNESDAY.
THIS WILL ALLOW A WEAK LOW PRESSURE TROUGH AVERAGING 30.0 INCHES TO
CROSS THE UPPER GREAT LAKES TONIGHT AND THE LOWER GREAT LAKES
WEDNESDAY NIGHT. 30.2 INCH HIGH PRESSURE WILL THEN BUILD
SOUTHEASTWARD FROM CENTRAL CANADA AND BECOME CENTERED JUST NORTHEAST
OF LAKE SUPERIOR BY THURSDAY MORNING. THE HIGH WILL MOVE TO NEW
ENGLAND ON FRIDAY BEFORE A 29.5 INCH TROUGH TRACKS INTO NORTHWEST
ONTARIO LATE FRIDAY. ANOTHER AREA OF LOW PRESSURE AVERAGING 29.6
INCHES WILL DEVELOP OVER THE NORTHERN PLAINS FRIDAY NIGHT. THIS LOW
WILL DEEPEN TO 29.4 INCHES AS IT SHIFTS OVER THE UPPER GREAT LAKES
REGION SATURDAY AFTERNOON INTO SUNDAY MORNING.

LSZ162-170400-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
350 PM EDT TUE SEP 16 2014 /250 PM CDT TUE SEP 16 2014/

.LATE THIS AFTERNOON...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES 2 TO
4 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 15 TO
25 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS NORTH THROUGH
EARLY AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET.
.WEDNESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. A CHANCE OF SHOWERS THROUGH EARLY AFTERNOON...THEN
SHOWERS LIKELY. WAVES BUILDING TO 2 TO 4 FEET... THEN SUBSIDING TO 1
TO 3 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING
TO 2 TO 4 FEET.
.SUNDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A CHANCE
OF SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ263-170400-
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-
350 PM EDT TUE SEP 16 2014

.LATE THIS AFTERNOON...WEST WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE
OF SHOWERS NEAR ISLE ROYALE. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4
FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS NORTH. WAVES
SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS THROUGH EARLY AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
BY MID AFTERNOON. A CHANCE OF SHOWERS THROUGH EARLY AFTERNOON...THEN
SHOWERS LIKELY. WAVES 2 TO 4 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. SHOWERS LIKELY
AND A CHANCE OF THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING
TO 2 TO 4 FEET.
.SUNDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A CHANCE
OF RAIN SHOWERS. WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING
TO 1 TO 3 FEET.

$$

LSZ264-170400-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
350 PM EDT TUE SEP 16 2014

.LATE THIS AFTERNOON...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES 3 TO 5 FEET SUBSIDING TO
2 TO 4 FEET.
.TONIGHT...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 15 TO
25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS THROUGH
MIDNIGHT...THEN A CHANCE OF SHOWERS. WAVES SUBSIDING TO 1 TO 3
FEET...THEN BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS THROUGH EARLY
AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET...THEN SUBSIDING TO 2 TO 4
FEET.
.WEDNESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET.
.FRIDAY...SOUTH WINDS 15 TO 25 KNOTS. A CHANCE OF SHOWERS THROUGH
EARLY AFTERNOON...THEN SHOWERS LIKELY. WAVES 3 TO 5 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. SHOWERS LIKELY
AND A CHANCE OF THUNDERSTORMS. WAVES SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING
TO CALM TO 2 FEET...THEN BUILDING TO 3 TO 5 FEET.
.SUNDAY...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. A CHANCE OF SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.

$$

LSZ265-170400-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
350 PM EDT TUE SEP 16 2014

.LATE THIS AFTERNOON...WEST WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS LATE. WAVES SUBSIDING TO CALM
TO 2 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS. WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4
FEET.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.FRIDAY...SOUTH WINDS 15 TO 25 KNOTS. SHOWERS LIKELY BY MID
AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET.
.FRIDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. WAVES SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET...
THEN BUILDING TO 3 TO 5 FEET.
.SUNDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A CHANCE
OF SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.

$$

LSZ266-170400-
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-
350 PM EDT TUE SEP 16 2014

.LATE THIS AFTERNOON...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10
TO 20 KNOTS. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING NORTH BY MID
AFTERNOON. A CHANCE OF SHOWERS. WAVES BUILDING TO 3 TO 5 FEET...THEN
SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...EAST WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET.
.FRIDAY...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30 KNOTS
BY MID AFTERNOON. SHOWERS LIKELY BY MID AFTERNOON. WAVES 3 TO 6
FEET.
.FRIDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. WAVES SUBSIDING TO 2 TO 4 FEET.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. SHOWERS
LIKELY IN THE MORNING...THEN A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 3
TO 6 FEET.
.SUNDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. A CHANCE OF SHOWERS. WAVES 3 TO 5 FEET.

$$

LSZ267-170400-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
350 PM EDT TUE SEP 16 2014

.LATE THIS AFTERNOON...WEST WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET.
.TONIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING EAST AFTER MIDNIGHT.
A CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2
FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING NORTH BY MID
AFTERNOON. A CHANCE OF SHOWERS. WAVES BUILDING TO 3 TO 5 FEET...THEN
SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.FRIDAY...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30 KNOTS
BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES BUILDING TO 3 TO
6 FEET.
.FRIDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS. SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS. WAVES SUBSIDING TO 2 TO 4 FEET.
.SATURDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. SHOWERS
LIKELY IN THE MORNING...THEN A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
3 TO 5 FEET.
.SUNDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A CHANCE
OF RAIN SHOWERS. WAVES 3 TO 6 FEET.

$$

LSZ261-170400-
MAFOR 1621/
SUPERIOR WEST 11530 11620 11120 11220 11110 12130 11140. WAVES 1 TO
4 FEET TONIGHT BUILDING TO 5 TO 7 FEET WEDNESDAY.

SUPERIOR NORTH CENTRAL
11620 11820 11120 11220 11240 11140 11130 11120. SLIGHT CHANCE OF
SHOWERS THIS EVENING. CHANCE OF SHOWERS OVERNIGHT AND WEDNESDAY
MORNING. WAVES 1 TO 5 FEET.

SUPERIOR SOUTH CENTRAL 11620 11710 11110 12210 11120 11130 11120.
SLIGHT CHANCE OF SHOWERS WEDNESDAY. WAVES 1 TO 5 FEET.

SUPERIOR EAST 11610 11800 12110 11220 12130 11820. SLIGHT CHANCE OF
SHOWERS OVERNIGHT. CHANCE OF SHOWERS WEDNESDAY. WAVES 1 TO 4 FEET.

$$

KLUBER




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