Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 150730
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
330 AM EDT FRI AUG 15 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.9 INCH RIDGE WILL LINGER ACROSS UPPER MICHIGAN
TODAY...AS THE MAIN HIGH PRESSURE SYSTEM PUSHES ACROSS THE
OHIO VALLEY. 29.7 INCH LOW PRESSURE ACROSS NORTHERN ONTARIO THROUGH
EASTERN HUDSON BAY THIS AFTERNOON WILL SINK SOUTH ACROSS EASTERN
ONTARIO AND LAKE SUPERIOR OVERNIGHT...BEFORE EXITING ACROSS LAKE
HURON ON SATURDAY. HIGH PRESSURE AVERAGING 30.1 INCHES ALONG THE
MANITOBA AND ONTARIO LINE SATURDAY AFTERNOON WILL THEN DRIFT ACROSS
THE UPPER GREAT LAKES FOR LATE SATURDAY THROUGH MONDAY. 29.7 INCH LOW
PRESSURE OVER MANITOBA AND THE DAKOTAS MONDAY MORNING SHOULD THEN
PUSH ACROSS THE UPPER GREAT LAKES ON TUESDAY.

LSZ162-151530-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
330 AM EDT FRI AUG 15 2014 /230 AM CDT FRI AUG 15 2014/

.EARLY THIS MORNING...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
BUILDING TO 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
EARLY AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.MONDAY...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ263-151530-
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-
330 AM EDT FRI AUG 15 2014

.EARLY THIS MORNING...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST AFTER
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING
TO 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 5 TO
15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH EARLY AFTERNOON. WAVES SUBSIDING TO CALM TO
2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.SUNDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ264-151530-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
330 AM EDT FRI AUG 15 2014

.EARLY THIS MORNING...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.TODAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST AFTER
MIDNIGHT. A CHANCE OF SHOWERS THROUGH MIDNIGHT. A CHANCE OF
THUNDERSTORMS. SHOWERS LIKELY AFTER MIDNIGHT. WAVES CALM TO
2 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH EARLY AFTERNOON. WAVES CALM TO
2 FEET.
.SATURDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.SUNDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST 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 INCREASING TO 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING EAST. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ265-151530-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
330 AM EDT FRI AUG 15 2014

.TODAY...WEST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
EARLY AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST 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 VEERING SOUTH. WAVES CALM
TO 2 FEET.
.TUESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ266-151530-
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-
330 AM EDT FRI AUG 15 2014

.TODAY...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO
20 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH EARLY AFTERNOON. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO
CALM TO 2 FEET.
.SUNDAY...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ267-151530-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
330 AM EDT FRI AUG 15 2014

.EARLY THIS MORNING...WEST WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET.
.TODAY...WEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS. SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH EARLY AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ261-151530-
MAFOR 1509/
SUPERIOR WEST 11500 15510 11520. SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS OVERNIGHT. WAVES 1 TO 2 FEET.

SUPERIOR NORTH CENTRAL 13610 14510 11516. SLIGHT CHANCE OF RAIN
SHOWERS IN THE EVENING...THEN RAIN SHOWERS LIKELY OVERNIGHT. CHANCE
OF THUNDERSTORMS. WAVES 1 TO 2 FEET.

SUPERIOR SOUTH CENTRAL 13610 11600 11500 11400 11500 11510. CHANCE
OF RAIN SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 2 FEET OR LESS.

SUPERIOR EAST 11710 12600 11610 11600 11500 11400 11506. RAIN
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS OVERNIGHT. WAVES 2 FEET
OR LESS.

$$

KF




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