Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 051357
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
957 AM EDT SAT SEP 5 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A HIGH PRESSURE RIDGE OF 30.3 INCHES CENTERED OVER THE
ST. LAWRENCE RIVER VALLEY AND EXTENDING TO GEORGIAN BAY WILL
GRADUALLY MOVE TO NEW ENGLAND THIS AFTERNOON. LOW PRESSURE TROUGH OF
29.8 INCHES FROM THE CENTRAL PLAINS TO WESTERN ONTARIO WILL CROSS
LAKE SUPERIOR SUNDAY NIGHT THROUGH TUESDAY. A 30.3 INCH HIGH
PRESSURE OVER THE NORTHERN PLAINS TUESDAY WILL MOVE INTO THE WESTERN
GREAT LAKES WEDNESDAY.

LSZ162-052200-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
957 AM EDT SAT SEP 5 2015 /857 AM CDT SAT SEP 5 2015/

.REST OF TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST
BY MID AFTERNOON. PATCHY FOG. ISOLATED SHOWERS AND THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER MIDNIGHT.
PATCHY FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. PATCHY FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST AFTER
MIDNIGHT. PATCHY FOG. SHOWERS AND THUNDERSTORMS LIKELY THROUGH
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST. WAVES CALM
TO 2 FEET.
.WEDNESDAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTH. A CHANCE OF
SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ263-052200-
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-
957 AM EDT SAT SEP 5 2015

.REST OF TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST BY
MID AFTERNOON. PATCHY FOG THROUGH LATE MORNING. ISOLATED SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS. PATCHY FOG AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. PATCHY FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. PATCHY FOG. SHOWERS AND THUNDERSTORMS LIKELY THROUGH
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
WAVES CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. WAVES
BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST. WAVES CALM TO
2 FEET.
.WEDNESDAY...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS. WAVES
CALM TO 2 FEET.

$$

LSZ264-052200-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
957 AM EDT SAT SEP 5 2015

.REST OF TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH
LATE MORNING. ISOLATED SHOWERS AND THUNDERSTORMS THROUGH LATE
MORNING. WAVES CALM TO 2 FEET BUILDING TO 1 TO 3 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS. PATCHY FOG AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. PATCHY FOG. SHOWERS AND THUNDERSTORMS LIKELY THROUGH
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
WAVES CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. PATCHY FOG THROUGH EARLY
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST. WAVES CALM TO
2 FEET.
.WEDNESDAY...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES CALM TO 2 FEET.

$$

LSZ265-052200-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
957 AM EDT SAT SEP 5 2015

.REST OF TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH
LATE MORNING. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. SHOWERS AND THUNDERSTORMS LIKELY.
WAVES CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING WEST. WAVES CALM
TO 2 FEET.
.WEDNESDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ266-052200-
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-
957 AM EDT SAT SEP 5 2015

.REST OF TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH
LATE MORNING. WAVES CALM TO 2 FEET BUILDING TO 1 TO 3 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. PATCHY
FOG AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. PATCHY FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. PATCHY FOG. SHOWERS AND THUNDERSTORMS LIKELY. WAVES
SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST BY MID
AFTERNOON. A CHANCE OF THUNDERSTORMS THROUGH EARLY AFTERNOON.
PATCHY FOG. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO
CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.TUESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING WEST. WAVES CALM
TO 2 FEET.
.WEDNESDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ267-052200-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
957 AM EDT SAT SEP 5 2015

.REST OF TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH
LATE MORNING. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT...THEN SHOWERS AND THUNDERSTORMS LIKELY AFTER MIDNIGHT.
WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG. A CHANCE OF THUNDERSTORMS
THROUGH EARLY AFTERNOON. A CHANCE OF SHOWERS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING WEST. WAVES CALM
TO 2 FEET.
.WEDNESDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES
CALM TO 2 FEET.

$$
LSZ261-052200-
MAFOR 0515/
SUPERIOR WEST 11300 11200 11110 11210 11310 13410. PATCHY FOG
THROUGH MID MORNING AND OVERNIGHT. CHANCE OF SHOWERS AND
THUNDERSTORMS LATE TONIGHT AND SUNDAY MORNING. WAVES 2 FEET OR LESS.

SUPERIOR NORTH CENTRAL 14310 14410. PATCHY FOG THROUGH MID MORNING
AND OVERNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS TONIGHT AND
SUNDAY MORNING. WAVES 1 TO 3 FEET.

SUPERIOR SOUTH CENTRAL 14310 11410 11420 12410. PATCHY FOG LATE
THIS MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS TONIGHT. WAVES 1
TO 3 FEET.

SUPERIOR EAST 14310 14410. PATCHY FOG LATE THIS MORNING AND OVERNIGHT
THROUGH SUNDAY MORNING. WAVES 1 TO 3 FEET.

$$

PETRO



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