Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 061502
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1002 AM EST FRI MAR 6 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.7 INCH HIGH PRESSURE OVER THE OHIO RIVER VALLEY
WILL MOVE INTO THE SOUTHEAST STATES BY EARLY SATURDAY. A 29.9 INCH
LOW PRESSURE OVER NORTHERN SASKATCHEWAN WILL SLIDE QUICKLY ACROSS THE
UPPER GREAT LAKES EARLY SATURDAY AND THEN INTO NEW ENGLAND ON SUNDAY.
EXPECT A TRAILING 30.1 INCH HIGH PRESSURE RIDGE TO CROSS THE UPPER
LAKES LATE SATURDAY IN ADVANCE OF 29.7 INCH LOW PRESSURE THAT WILL
CROSS NORTHERN ONTARIO ON SUNDAY AND DRAG A COLD FRONT OVER LAKE
SUPERIOR LATE IN THE DAY. ANOTHER QUICK MOVING WEAK HIGH PRESSURE
RIDGE AVERAGING 30.0 INCHES WILL CROSS THE REGION LATE SUNDAY INTO
MONDAY AS LOW PRESSURE AVERAGING 29.5 INCHES PUSHES INTO CENTRAL
CANADA. THIS LOW WILL SHIFT TO HUDSON BAY BY TUESDAY AFTERNOON WHILE
DRAGGING A TROUGH AVERAGING 29.9 INCHES ACROSS LAKE SUPERIOR.

LSZ162-062315-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1002 AM EST FRI MAR 6 2015

.REST OF TODAY...SOUTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST
15 TO 25 KNOTS IN THE AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW IN THE MORNING. WAVES CALM TO
2 FEET.
.SATURDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SNOW. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES CALM
TO 2 FEET.
.SUNDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.

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

$$

LSZ263-062315-
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-
1002 AM EST FRI MAR 6 2015

.REST OF TODAY...SOUTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST
15 TO 25 KNOTS IN THE AFTERNOON.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTH 10 TO
20 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW.
.SATURDAY NIGHT...SOUTHEAST WINDS LESS THAN 10 KNOTS BECOMING
SOUTHWEST 5 TO 15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS.
.SUNDAY NIGHT...WEST WINDS 5 TO 15 KNOTS.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

LSZ264-062315-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1002 AM EST FRI MAR 6 2015

.REST OF TODAY...SOUTHWEST WINDS 20 TO 30 KNOTS VEERING WEST IN
THE AFTERNOON.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW IN THE EVENING...THEN SNOW LIKELY AFTER MIDNIGHT.
.SATURDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW.
.SATURDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. A SLIGHT CHANCE OF SNOW.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS.
.SUNDAY NIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

LSZ265-062315-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1002 AM EST FRI MAR 6 2015

.REST OF TODAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST IN
THE AFTERNOON. FLURRIES.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST IN THE
AFTERNOON. A CHANCE OF SNOW.
.SATURDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST
AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

LSZ266-062315-
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-
1002 AM EST FRI MAR 6 2015

.REST OF TODAY...SOUTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST
15 TO 25 KNOTS IN THE AFTERNOON. ISOLATED SNOW SHOWERS IN THE
AFTERNOON.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW.
.SATURDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST
AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

LSZ267-062315-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1002 AM EST FRI MAR 6 2015

.REST OF TODAY...SOUTHWEST WINDS 15 TO 25 KNOTS. SCATTERED SNOW
SHOWERS THIS AFTERNOON.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH AFTER
MIDNIGHT. A CHANCE OF SNOW.
.SATURDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING NORTHWEST IN THE
AFTERNOON. SNOW LIKELY IN THE MORNING...THEN A CHANCE OF SNOW IN
THE AFTERNOON.
.SATURDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST
AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS.
.SUNDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF SNOW
SHOWERS.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$
LSZ261-062315-
MAFOR 0616/
SUPERIOR WEST 11540 11640 11630 12510 11520 11630 11620.
SCATTERED SNOW SHOWERS TONIGHT THROUGH SATURDAY MORNING. WAVES
OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR NORTH CENTRAL 11650 11640 11630 11520 12510 11527 11630.
CHANCE OF SNOW TONIGHT. WAVES OMITTED FOR MOSTLY ICE COVERED
AREAS.

SUPERIOR SOUTH CENTRAL 11530 11630 11620 11610 11510 11500 11417
11630. CHANCE OF SNOW TONIGHT. WAVES OMITTED FOR MOSTLY ICE
COVERED AREAS.

SUPERIOR EAST 11540 11530 11620 11600 12500 11417 11527. CHANCE OF
SNOW THIS AFTERNOON AND TONIGHT. WAVES OMITTED FOR MOSTLY ICE
COVERED AREAS.

$$

KEC


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