Great Lakes Forecast
Issued by NWS

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FZUS63 KMQT 031444
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
944 AM EST TUE MAR 3 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.3 INCH LOW MOVING OVER NORTHERN ONTARIO WILL DRAG A
COLD FRONT ACROSS THE UPPER GREAT LAKES TODAY. AS THE LOW MOVES OVER
NORTHERN QUEBEC WEDNESDAY...HIGH PRESSURE OF 30.6 INCHES WILL MOVE
FROM THE CANADIAN ROCKIES TO THE NORTHERN PLAINS. THE HIGH WILL THEN
MOVE OVER THE MID MISSISSIPPI VALLEY THURSDAY EVENING. AS THE HIGH
PRESSURE CONTINUES MOVING EASTWARD...A TROUGH AVERAGING 29.9 INCHES
WILL DRIFT ACROSS NORTHWEST ONTARIO AND THE UPPER GREAT LAKES FRIDAY
INTO SATURDAY MORNING. A RIDGE WILL THEN BUILD ACROSS THE UPPER GREAT
LAKES BY LATE SATURDAY.

LSZ162-032245-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
944 AM EST TUE MAR 3 2015

.REST OF TODAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING WEST 15 TO
25 KNOTS IN THE AFTERNOON. SNOW.
.TONIGHT...WEST WINDS 20 TO 30 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS IN THE AFTERNOON.
.THURSDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS.

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

$$

LSZ263-032245-
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-
944 AM EST TUE MAR 3 2015

.REST OF TODAY...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST IN
THE AFTERNOON. SNOW.
.TONIGHT...WEST WINDS 20 TO 30 KNOTS. A FEW GALE FORCE GUSTS TO
35 KNOTS. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY...WEST WINDS 20 TO 30 KNOTS. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS IN THE AFTERNOON.
.THURSDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST
5 TO 15 KNOTS.

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

$$

LSZ264-032245-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
944 AM EST TUE MAR 3 2015

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY
AFTERNOON...

.REST OF TODAY...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST IN
THE AFTERNOON. SNOW.
.TONIGHT...WEST GALES TO 35 KNOTS. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY...WEST GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF
SNOW SHOWERS.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON.
.THURSDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST.

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

$$

LSZ265-032245-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
944 AM EST TUE MAR 3 2015

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY
AFTERNOON...

.REST OF TODAY...SOUTH WINDS 10 TO 20 KNOTS. SNOW.
.TONIGHT...WEST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS BY MIDNIGHT. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY...WEST GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST
5 TO 15 KNOTS. A CHANCE OF SNOW.

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

$$

LSZ266-032245-
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-
944 AM EST TUE MAR 3 2015

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY
EVENING...

.REST OF TODAY...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. SNOW.
.TONIGHT...WEST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS BY MIDNIGHT. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY...WEST GALES TO 35 KNOTS. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE
OF SNOW.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST
5 TO 15 KNOTS. A CHANCE OF SNOW.

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

$$

LSZ267-032245-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
944 AM EST TUE MAR 3 2015

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
EVENING...

.REST OF TODAY...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. SNOW.
.TONIGHT...WEST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY...WEST GALES TO 35 KNOTS. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS IN THE AFTERNOON.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS. A CHANCE OF SNOW.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST
5 TO 15 KNOTS. A CHANCE OF SNOW.

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

$$
LSZ261-032245-
MAFOR 0316/
SUPERIOR WEST 11527 11637 14640 11630 11640. WAVES OMITTED FOR
MOSTLY ICE COVERED AREAS.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...11427 11527
11630 12650 12640 11650. CHANCE OF SNOW SHOWERS AFTER MIDNIGHT
TONIGHT AND WEDNESDAY MORNING. WAVES OMITTED FOR MOSTLY ICE COVERED
AREAS.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...12427 11620
13650 11640 11650. CHANCE OF SNOW SHOWERS TONIGHT AND WEDNESDAY
MORNING. WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR EAST...GALE WARNING IN EFFECT...12427 11517 11640 14650.
CHANCE OF SNOW SHOWERS TONIGHT AND WEDNESDAY MORNING. WAVES
OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

PETRO


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