Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 121959
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
359 PM EDT FRI SEP 12 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.3 INCH RIDGE WILL REMAIN ACROSS LAKE SUPERIOR
THROUGH SATURDAY NIGHT...EXTENDING FROM 30.4 INCH HIGH PRESSURE
CENTER OVER THE CENTRAL PLAINS. THIS HIGH PRESSURE SYSTEM WILL SLIDE
TO THE MID MISSISSIPPI VALLEY SATURDAY MORNING AT 30.3 INCHES...AND
THE OHIO VALLEY SATURDAY NIGHT. EXPECT A 29.9 INCH LOW PRESSURE OVER
SOUTHERN MANITOBA SATURDAY AFTERNOON TO CROSS ONTARIO WHILE DRAGGING
A 30.0 INCH TROUGH ACROSS LAKE SUPERIOR SUNDAY NIGHT INTO MONDAY
MORNING. ANOTHER LARGE 30.2 INCH HIGH PRESSURE SYSTEM OVER THE
NORTHERN AND CENTRAL PLAINS MONDAY WILL SLOWLY SLIDE EASTWARD TO THE
OHIO VALLEY AND LOWER GREAT LAKES BY TUESDAY NIGHT. THIS WILL RESULT
IN A 30.1 INCH RIDGE ACROSS LAKE SUPERIOR MONDAY AFTERNOON THROUGH
TUESDAY. TUESDAY NIGHT THROUGH WEDNESDAY A WEAK 29.9 INCH TROUGH
WILL SHIFT ACROSS LAKE SUPERIOR AND INTO THE LOWER GREAT LAKES.

LSZ162-130400-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
359 PM EDT FRI SEP 12 2014 /259 PM CDT FRI SEP 12 2014/

.LATE THIS AFTERNOON...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTH
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 2 TO 4 FEET.
.SUNDAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES BUILDING TO
3 TO 5 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTH. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ263-130400-
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-
359 PM EDT FRI SEP 12 2014

.LATE THIS AFTERNOON...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
1 TO 3 FEET...THEN BUILDING TO 2 TO 4 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTH. WAVES
BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ264-130400-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
359 PM EDT FRI SEP 12 2014

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST AFTER MIDNIGHT.
WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTH
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES BUILDING TO
2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.MONDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTH. WAVES 1 TO
3 FEET.
.WEDNESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.

$$

LSZ265-130400-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
359 PM EDT FRI SEP 12 2014

.LATE THIS AFTERNOON...EAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF SLEET AND SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST AFTER MIDNIGHT.
ISOLATED SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. A CHANCE OF SHOWERS BY MID AFTERNOON. WAVES 1 TO
3 FEET.
.SUNDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST BY MID
AFTERNOON. WAVES 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN
BUILDING TO 1 TO 3 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTH. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS VEERING EAST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ266-130400-
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-
359 PM EDT FRI SEP 12 2014

.LATE THIS AFTERNOON...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS BACKING NORTHWEST AFTER
MIDNIGHT. ISOLATED SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF SHOWERS
BY MID AFTERNOON. WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
.MONDAY...NORTHWEST WINDS 15 TO 25 KNOTS. WAVES 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. WAVES 1 TO 3 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTH. WAVES
BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS VEERING NORTHEAST.
WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

$$

LSZ267-130400-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
359 PM EDT FRI SEP 12 2014

.LATE THIS AFTERNOON...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...NORTH WINDS 5 TO 15 KNOTS. ISOLATED SHOWERS. WAVES
CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS BY MID AFTERNOON. ISOLATED SHOWERS THROUGH EARLY
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS
BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST AFTER
MIDNIGHT. A CHANCE OF SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST BY MID
AFTERNOON. WAVES 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. WAVES
BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ261-130400-
MAFOR 1221/
SUPERIOR WEST 13610 11710 11700 12610 11520. WAVES 2 FEET OR LESS.

SUPERIOR NORTH CENTRAL 11410 11400 12500 11600 11500 12510. WAVES 1
FOOT OR LESS.

SUPERIOR SOUTH CENTRAL 11210 11300 11500 11600 11700 11710 12610.
ISOLATED RAIN SHOWERS TONIGHT. WAVES 1 FOOT OR LESS.

SUPERIOR EAST 12800 12810 12820 11710 11610. WAVES 2 FEET OR LESS.

$$

KEC





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