Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 180154
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
954 PM EDT WED AUG 17 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.0 INCH HIGH PRESSURE RIDGE WILL MOVE OVER THE UPPER
GREAT LAKES THROUGH THURSDAY. THIS RIDGE WILL PUSH EAST THURSDAY
NIGHT AS A 29.7 INCH LOW PRESSURE TROUGH MOVES OVER MINNESOTA FRIDAY
MORNING. THE TROUGH WILL DEEPEN TO 29.6 INCHES AS IT REACHES
WISCONSIN AND UPPER MICHIGAN SATURDAY AND EXTENDS FROM QUEBEC TO
SOUTHERN ILLINOIS SUNDAY. AS THE LOW MOVES OVER NORTHERN QUEBEC
SUNDAY NIGHT...A 30.0 INCH HIGH PRESSURE WILL MOVE INTO THE CENTRAL
PLAINS. THE HIGH WILL STRENGTHEN TO 30.2 INCHES OVER THE LOWER GREAT
LAKES MONDAY.

LSZ162-181000-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
954 PM EDT WED AUG 17 2016 /854 PM CDT WED AUG 17 2016/

.REST OF TONIGHT...SOUTH WINDS LESS THAN 10 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. ISOLATED SHOWERS AND THUNDERSTORMS LATE. WAVES CALM TO 2
FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST AFTER
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.
.FRIDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS. WAVES 1 TO 3 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ263-181000-
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-
954 PM EDT WED AUG 17 2016

.REST OF TONIGHT...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM
TO 2 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH BY MID
AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES CALM TO
2 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS. A CHANCE OF
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS. A CHANCE OF SHOWERS. WAVES BUILDING TO 2 TO 4 FEET...
THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES CALM
TO 2 FEET.

$$

LSZ264-181000-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
954 PM EDT WED AUG 17 2016

.REST OF TONIGHT...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM
TO 2 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST BY MID
AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES CALM TO
2 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES BUILDING TO
3 TO 5 FEET.
.SUNDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS. A CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES CALM
TO 2 FEET.

$$

LSZ265-181000-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
954 PM EDT WED AUG 17 2016

.REST OF TONIGHT...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST BY MID
AFTERNOON. SHOWERS AND THUNDERSTORMS LIKELY. WAVES CALM TO
2 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS THROUGH MIDNIGHT...
THEN SHOWERS LIKELY. WAVES CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS. SHOWERS LIKELY. WAVES
CALM TO 2 FEET.
.SATURDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. SHOWERS LIKELY THROUGH MIDNIGHT...THEN A
CHANCE OF SHOWERS. WAVES BUILDING TO 3 TO 6 FEET.
.SUNDAY...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST 15 TO
25 KNOTS. A CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES CALM
TO 2 FEET.

$$

LSZ266-181000-
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-
954 PM EDT WED AUG 17 2016

.REST OF TONIGHT...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST BY MID
AFTERNOON. SHOWERS AND THUNDERSTORMS LIKELY. WAVES CALM TO
2 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH AFTER
MIDNIGHT. A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS. SHOWERS LIKELY. WAVES
CALM TO 2 FEET.
.SATURDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. SHOWERS LIKELY THROUGH MIDNIGHT...THEN A
CHANCE OF SHOWERS. WAVES BUILDING TO 3 TO 6 FEET.
.SUNDAY...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. A CHANCE OF SHOWERS. WAVES BUILDING TO 4 TO 7 FEET...
THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES CALM
TO 2 FEET.

$$

LSZ267-181000-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
954 PM EDT WED AUG 17 2016

.REST OF TONIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS LESS THAN 10 KNOTS BECOMING SOUTHEAST
5 TO 15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH EARLY AFTERNOON...THEN SHOWERS AND THUNDERSTORMS LIKELY.
WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. SHOWERS LIKELY
THROUGH MIDNIGHT...THEN A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. SHOWERS LIKELY. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS. SHOWERS LIKELY
THROUGH MIDNIGHT...THEN A CHANCE OF SHOWERS. WAVES BUILDING TO 2 TO
4 FEET.
.SUNDAY...NORTH WINDS 15 TO 25 KNOTS BACKING NORTHWEST. A CHANCE
OF SHOWERS. WAVES BUILDING TO 3 TO 6 FEET...THEN SUBSIDING TO
CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES CALM
TO 2 FEET.

$$
LSZ261-181000-
MAFOR 1803/
SUPERIOR WEST 11400 14500 13400. CHANCE OF SHOWERS AND
THUNDERSTORMS THURSDAY EVENING. WAVES 1 FOOT OR LESS.

SUPERIOR NORTH CENTRAL 14400 11500 12400 11410. WAVES 2 FEET OR
LESS.

SUPERIOR SOUTH CENTRAL 14400 11400 12300 11310. WAVES 2 FEET OR
LESS.

SUPERIOR EAST 12600 11500 12400 12300 11310. WAVES 1 FOOT OR
LESS.

$$

KLUBER



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