Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 301941
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
341 PM EDT SAT JUL 30 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.1 INCH HIGH PRESSURE RIDGE STRETCHING FROM QUEBEC
INTO THE UPPER GREAT LAKES WILL REMAIN NEARLY STATIONARY INTO MONDAY.
A 29.5 INCH LOW PRESSURE TRACKING ACROSS CENTRAL CANADA AND OVER
HUDSON BAY ON TUESDAY WILL DRAG A LOW PRESSURE TROUGH AVERAGING 29.9
INCHES INTO MINNESOTA. EXPECT THIS TROUGH TO DISSIPATE AS IT
APPROACHES LAKE SUPERIOR AND THE PERSISTENT HIGH PRESSURE RIDGE OVER
THE UPPER LAKES. ANOTHER 29.7 INCH LOW PRESSURE SYSTEM WILL DEVELOP
ACROSS THE NORTHERN PLAINS ON WEDNESDAY AND STRENGTHEN TO 29.3
INCHES OVER HUDSON BAY THURSDAY EVENING. A 29.8 INCH TROUGH WILL
MOVE INTO THE WESTERN GREAT LAKES THURSDAY AFTERNOON.

LSZ162-310345-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
341 PM EDT SAT JUL 30 2016 /241 PM CDT SAT JUL 30 2016/

.TONIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTH LESS THAN
10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
WAVES CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.

$$

LSZ263-310345-
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-
341 PM EDT SAT JUL 30 2016

.LATE THIS AFTERNOON...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ264-310345-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
341 PM EDT SAT JUL 30 2016

.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET.

$$

LSZ265-310345-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
341 PM EDT SAT JUL 30 2016

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

$$

LSZ266-310345-
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-
341 PM EDT SAT JUL 30 2016

.TONIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST
5 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET.

$$

LSZ267-310345-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
341 PM EDT SAT JUL 30 2016

.LATE THIS AFTERNOON...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM
TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET.

$$

LSZ261-310345-
MAFOR 3021/
SUPERIOR WEST 13200 11300 12400 11300 11200. WAVES 1 FOOT OR
LESS.

SUPERIOR NORTH CENTRAL 14300 12400 12300. WAVES 1 FOOT OR LESS.

SUPERIOR SOUTH CENTRAL 11200 15300 11200. WAVES 1 FOOT OR LESS.

SUPERIOR EAST 11800 12100 14200 11100. WAVES 1 FOOT OR LESS.

$$

07


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