Great Lakes Forecast
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000
FZUS63 KMQT 160756
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
356 AM EDT THU APR 16 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.5 INCH HIGH PRESSURE CENTERED OVER NEW ENGLAND
THIS MORNING WILL DRIFT OFF THE EAST COAST TODAY WHILE A 29.5 INCH
LOW PRESSURE CENTER NEAR JAMES BAY MOVES INTO QUEBEC AND DRAGS A WEAK
LOW PRESSURE TROUGH AVERAGING 30.0 INCHES OVER LAKE SUPERIOR TONIGHT.
EXPECT THIS TROUGH TO DISSIPATE ON FRIDAY AS ANOTHER 29.7 INCH LOW
PRESSURE DIVES SOUTHEAST ACROSS ONTARIO AND INTO NEW ENGLAND ON
SATURDAY. IN ITS WAKE...A 30.3 INCH HIGH PRESSURE WILL BUILD OVER
NORTHWEST ONTARIO ON SATURDAY. LOOK FOR THIS HIGH TO DRIFT INTO
QUEBEC ON SUNDAY WHILE A 29.7 INCH LOW PRESSURE MOVES EAST ACROSS
SOUTH CENTRAL CANADA AND ANOTHER 29.6 INCH LOW PRESSURE TAKES SHAPE
IN THE MID MISSISSIPPI RIVER VALLEY. THESE LOWS WILL MERGE ON MONDAY
INTO A DEEPER 29.5 INCH CENTER NEAR THE UPPER GREAT LAKES.

LSZ162-161600-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
356 AM EDT THU APR 16 2015

.EARLY THIS MORNING...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TODAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN. WAVES CALM
TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS.
A CHANCE OF RAIN AND SNOW. WAVES CALM TO 2 FEET.

$$

LSZ263-161600-
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-
356 AM EDT THU APR 16 2015

.EARLY THIS MORNING...SOUTH WINDS 5 TO 15 KNOTS. WAVES 1 TO
3 FEET SUBSIDING TO CALM TO 2 FEET.
.TODAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. SPRINKLES THROUGH MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTH AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.SUNDAY...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS.
A CHANCE OF RAIN. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING
TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS.
A CHANCE OF RAIN AND SNOW. WAVES CALM TO 2 FEET.

$$

LSZ264-161600-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
356 AM EDT THU APR 16 2015

.EARLY THIS MORNING...SOUTH WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET SUBSIDING TO CALM TO 2 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET.
.FRIDAY NIGHT...WEST WINDS 15 TO 25 KNOTS BECOMING NORTH 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING EAST 10 TO
20 KNOTS. A CHANCE OF RAIN...THEN RAIN LIKELY BY EVENING. WAVES
BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS.
A CHANCE OF RAIN AND SNOW. WAVES CALM TO 2 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$

LSZ265-161600-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
356 AM EDT THU APR 16 2015

.EARLY THIS MORNING...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS LESS THAN 10 KNOTS BECOMING WEST IN THE
EVENING THEN NORTHWEST 5 TO 15 KNOTS AFTER MIDNIGHT. SPRINKLES
THROUGH MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING EAST 5 TO
15 KNOTS. A CHANCE OF RAIN...THEN RAIN LIKELY BY EVENING. WAVES
BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO 25 KNOTS.
A CHANCE OF RAIN AND SNOW. WAVES CALM TO 2 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$

LSZ266-161600-
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-
356 AM EDT THU APR 16 2015

.EARLY THIS MORNING...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET SUBSIDING TO CALM TO 2 FEET.
.TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. SPRINKLES THROUGH MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING EAST 10 TO
20 KNOTS. A CHANCE OF RAIN...THEN RAIN LIKELY BY EVENING. WAVES
BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS.
A CHANCE OF RAIN AND SNOW. WAVES CALM TO 2 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$

LSZ267-161600-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
356 AM EDT THU APR 16 2015

.EARLY THIS MORNING...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM
TO 2 FEET.
.TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST AFTER MIDNIGHT.
SPRINKLES THROUGH MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET...
THEN SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 15 TO 25 KNOTS. RAIN LIKELY. WAVES CALM
TO 2 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS.
RAIN LIKELY...THEN A CHANCE OF RAIN AND SNOW. WAVES CALM TO
2 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$

LSZ261-161600-
MAFOR 1609/
SUPERIOR WEST 12400 13500 11610 12700. WAVES 1 TO 2 FEET.

SUPERIOR NORTH CENTRAL 13410 13510 11710 11700. WAVES 3 FEET OR LESS.

SUPERIOR SOUTH CENTRAL 13310 12300 11400 11500 11600. WAVES 2
FEET OR LESS.

SUPERIOR EAST 13310 12300 11400 11500 11600. WAVES 2 FEET OR
LESS.

$$

JLA


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