Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 240253
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
953 PM EST MON FEB 23 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.5 INCH HIGH PRESSURE CENTERED OVER THE OHIO VALLEY
WILL MOVE OFF THE EAST COAST TUESDAY WHILE WEAKENING TO 30.3 INCHES.
A 29.2 INCH LOW PRESSURE CENTER OVER FAR SOUTHERN HUDSON BAY TONIGHT
WILL MOVE OVER NORTHERN QUEBEC WEDNESDAY MORNING WHILE DRAGGING A
COLD FRONT ACROSS LAKE SUPERIOR ON TUESDAY. A 30.7 INCH HIGH PRESSURE
OVER SASKATCHEWAN WEDNESDAY EVENING WILL DRIFT TO OVER IOWA BY FRIDAY
MORNING...AND THE EASTERN GREAT LAKES SATURDAY. 29.7 INCH LOW
PRESSURE WILL SETTLE OVER HUDSON BAY WEDNESDAY THROUGH SATURDAY.

LSZ162-241100-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
953 PM EST MON FEB 23 2015

...GALE WARNING IN EFFECT UNTIL 7 AM EST /6 AM CST/ TUESDAY...

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

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

$$

LSZ263-241100-
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-
953 PM EST MON FEB 23 2015

...GALE WARNING IN EFFECT UNTIL 7 AM EST TUESDAY...

.REST OF TONIGHT...SOUTHWEST GALES TO 40 KNOTS BECOMING WEST 20 TO
30 KNOTS LATE. A CHANCE OF SNOW...BECOMING LIKELY AFTER MIDNIGHT.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW.
.TUESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS.
.WEDNESDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS.
.WEDNESDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH
AFTER MIDNIGHT.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS IN THE AFTERNOON.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KNOTS.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS.

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

$$

LSZ264-241100-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
953 PM EST MON FEB 23 2015

...GALE WARNING IN EFFECT UNTIL 7 AM EST TUESDAY...

.REST OF TONIGHT...SOUTHWEST GALES TO 40 KNOTS BECOMING WEST 20 TO
30 KNOTS LATE. A CHANCE OF SNOW...BECOMING LIKELY AFTER MIDNIGHT.
.TUESDAY...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST IN THE
AFTERNOON. A CHANCE OF SNOW.
.TUESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE
OF SNOW SHOWERS.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST IN THE
AFTERNOON.
.THURSDAY NIGHT AND FRIDAY...WEST WINDS 10 TO 20 KNOTS.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.

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

$$

LSZ265-241100-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
953 PM EST MON FEB 23 2015

.REST OF TONIGHT...SOUTHWEST WINDS 20 TO 30 KNOTS. A CHANCE OF
SNOW...BECOMING LIKELY AFTER MIDNIGHT.
.TUESDAY...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST IN THE
AFTERNOON. SNOW LIKELY IN THE MORNING...THEN A CHANCE OF SNOW
SHOWERS.
.TUESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS IN THE AFTERNOON.
.THURSDAY NIGHT AND FRIDAY...WEST WINDS 10 TO 20 KNOTS.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS.

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

$$

LSZ266-241100-
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-
953 PM EST MON FEB 23 2015

...GALE WARNING IN EFFECT UNTIL 7 AM EST TUESDAY...

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

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

$$

LSZ267-241100-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
953 PM EST MON FEB 23 2015

.REST OF TONIGHT...SOUTH WINDS 20 TO 30 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW THROUGH MIDNIGHT...THEN SNOW
AFTER MIDNIGHT.
.TUESDAY...SOUTHWEST WINDS 20 TO 30 KNOTS VEERING NORTHWEST IN
THE AFTERNOON. SNOW.
.TUESDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS. A CHANCE OF SNOW
SHOWERS.
.WEDNESDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH
5 TO 15 KNOTS AFTER MIDNIGHT.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS IN THE AFTERNOON.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH. A
CHANCE OF SNOW.

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

$$
LSZ261-241100-
MAFOR 2404/
SUPERIOR WEST...GALE WARNING IN EFFECT...11560 11650 11640 11630
12740 11730 11720. CHANCE OF SNOW OVERNIGHT AND EARLY TUESDAY
AFTERNOON. WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...11560 11557
12647 13740 11730. CHANCE OF SNOW SHOWERS TUESDAY. WAVES OMITTED FOR
MOSTLY ICE COVERED AREAS.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...12540 19550 11537
11637 13740 11730. CHANCE OF SNOW SHOWERS TUESDAY AND TUESDAY
EVENING. WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR EAST...GALE WARNING IN EFFECT...11540 13547 12757 11750
11740. CHANCE OF SNOW SHOWERS TUESDAY EVENING. WAVES OMITTED FOR
MOSTLY ICE COVERED AREAS.

$$

KLUBER


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