Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 261400
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1000 AM EDT WED AUG 26 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.2 INCH HIGH PRESSURE RIDGE STRETCHING FROM
NORTHWEST ONTARIO INTO THE MID MISSISSIPPI VALLEY WILL MOVE SLOWLY
EAST THROUGH THE GREAT LAKES...REACHING THE EAST COAST ON FRIDAY. A
29.7 INCH LOW PRESSURE TAKING SHAPE OVER THE CENTRAL PLAINS ON
THURSDAY WILL THEN DRIFT INTO THE MID MISSISSIPPI VALLEY OVER THE
WEEKEND WHILE WEAKENING TO 29.8 INCHES. A 30.1 INCH HIGH PRESSURE
SYSTEM WILL BUILD OVER THE UPPER GREAT LAKES ON SUNDAY.

LSZ162-262200-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1000 AM EDT WED AUG 26 2015 /900 AM CDT WED AUG 26 2015/

.REST OF TODAY...NORTH WINDS 5 TO 15 KNOTS VEERING SOUTH BY MID
AFTERNOON. 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 EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES CALM
TO 2 FEET.

$$

LSZ263-262200-
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-
1000 AM EDT WED AUG 26 2015

.REST OF TODAY...NORTH WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST 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. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES CALM
TO 2 FEET.

$$

LSZ264-262200-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1000 AM EDT WED AUG 26 2015

.REST OF TODAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
5 TO 15 KNOTS BY MID AFTERNOON. WAVES 1 TO 3 FEET SUBSIDING TO
CALM TO 2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. 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 BECOMING SOUTHWEST
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 DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES CALM
TO 2 FEET.

$$

LSZ265-262200-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1000 AM EDT WED AUG 26 2015

.REST OF TODAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH
5 TO 15 KNOTS BY MID AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO
CALM TO 2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST. WAVES
CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ266-262200-
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-
1000 AM EDT WED AUG 26 2015

.REST OF TODAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS BY MID AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO
CALM TO 2 FEET.
.TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST LESS
THAN 10 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. WAVES BUILDING TO
1 TO 3 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST. WAVES
CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES CALM
TO 2 FEET.

$$

LSZ267-262200-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1000 AM EDT WED AUG 26 2015

.REST OF TODAY...NORTHWEST WINDS 15 TO 25 KNOTS. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES CALM
TO 2 FEET.

$$
LSZ261-262200-
MAFOR 2615/
SUPERIOR WEST 11700 11500 15400. WAVES 1 FOOT OR LESS.

SUPERIOR NORTH CENTRAL 11720 11710 12610 11600 12500 11510. WAVES
1 TO 2 FEET.

SUPERIOR SOUTH CENTRAL 11720 11820 11810 11700 11600 12500 11400.
WAVES CALM TO 4 FEET.

SUPERIOR EAST 13720 12710 11700 11600 11500. WAVES 1 TO 4 FEET.

$$

PETRO


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