Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 171955
GLFLS

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

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A LOW PRESSURE OF 29.9 INCHES OVER UPPER MICHIGAN WILL
GRADUALLY DISSIPATE THROUGH EARLY EVENING. A 30.0 INCH HIGH PRESSURE
RIDGE WILL THEN MOVE OVER THE UPPER GREAT LAKES TONIGHT 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.

LSZ162-180400-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
355 PM EDT WED AUG 17 2016 /255 PM CDT WED AUG 17 2016/

.LATE THIS AFTERNOON...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH.
WAVES CALM TO 2 FEET.
.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 BY MID AFTERNOON.
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.

$$

LSZ263-180400-
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-
355 PM EDT WED AUG 17 2016

.LATE THIS AFTERNOON...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. ISOLATED SHOWERS AND THUNDERSTORMS 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.

$$

LSZ264-180400-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
355 PM EDT WED AUG 17 2016

.LATE THIS AFTERNOON...SOUTHWEST WINDS LESS THAN 10 KNOTS. WAVES
CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH AFTER
MIDNIGHT. 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.

$$

LSZ265-180400-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
355 PM EDT WED AUG 17 2016

.LATE THIS AFTERNOON...SOUTHEAST WINDS LESS THAN 10 KNOTS. WAVES
CALM TO 2 FEET.
.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.

$$

LSZ266-180400-
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-
355 PM EDT WED AUG 17 2016

.LATE THIS AFTERNOON...WEST WINDS LESS THAN 10 KNOTS. WAVES CALM
TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS LESS THAN 10 KNOTS BECOMING SOUTH 5 TO
15 KNOTS AFTER MIDNIGHT. 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.

$$

LSZ267-180400-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
355 PM EDT WED AUG 17 2016

.LATE THIS AFTERNOON...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST 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.

$$

LSZ261-180400-
MAFOR 1721/
SUPERIOR WEST 11500 12400 14500 11400. WAVES 1 FOOT OR LESS.

SUPERIOR NORTH CENTRAL 13500 13400 11500 11400. WAVES 1 FOOT OR
LESS.

SUPERIOR SOUTH CENTRAL 11200 11300 14400 11400 11300. WAVES 1
FOOT OR LESS.

SUPERIOR EAST 12700 12600 11500 12400 11300. WAVES 1 FOOT OR
LESS.

$$

KLUBER



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