Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 260158
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
958 PM EDT WED MAR 25 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...29.6 INCH LOW PRESSURE NEAR THE ONTARIO AND QUEBEC
BORDER LATE THIS EVENING WILL SHIFT EASTWARD THROUGH TONIGHT. A
LINGERING 29.8 INCH TROUGH ACROSS THE UPPER GREAT LAKES WILL EXIT THE
REGION TO THE SOUTHEAST THURSDAY. EXPECT 30.5 INCH LOW PRESSURE OVER
MANITOBA ON THURSDAY TO BRIEFLY SETTLE ACROSS THE UPPER GREAT LAKES
AT 30.3 INCHES FRIDAY INTO EARLY SATURDAY...AND CONTINUE TO THE OHIO
VALLEY SATURDAY NIGHT. 29.3 INCH LOW PRESSURE STRETCHING FROM HUDSON
BAY TO SOUTHERN MANITOBA SATURDAY NIGHT WILL THEN SWING ACROSS
CENTRAL ONTARIO AND LAKE SUPERIOR SUNDAY AFTERNOON...AND INTO QUEBEC
SUNDAY NIGHT. A 30.1 INCH HIGH PRESSURE RIDGE WILL MOVE INTO THE
UPPER GREAT LAKES ON MONDAY.

LSZ162-261000-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
958 PM EDT WED MAR 25 2015

.REST OF TONIGHT...WEST WINDS 20 TO 30 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES 1 TO 3 FEET
BUILDING TO 3 TO 6 FEET.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.FRIDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS THROUGH EARLY
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST
GALES TO 35 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW...POSSIBLY
MIXED WITH RAIN. WAVES BUILDING TO 3 TO 6 FEET.
.SUNDAY...WEST GALES TO 35 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. A CHANCE OF RAIN AND SNOW. WAVES BUILDING TO 4 TO
7 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST. WAVES CALM
TO 2 FEET.

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

$$

LSZ263-261000-
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-
958 PM EDT WED MAR 25 2015

.REST OF TONIGHT...WEST WINDS 15 TO 25 KNOTS BECOMING NORTH 20 TO
30 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS...POSSIBLY MIXED
WITH RAIN THROUGH MIDNIGHT...THEN NUMEROUS SNOW SHOWERS. WAVES 2 TO
4 FEET BUILDING TO 4 TO 7 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS BY MID AFTERNOON. SNOW SHOWERS LIKELY THROUGH EARLY
AFTERNOON...THEN A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.THURSDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 1 TO
3 FEET.
.FRIDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST LESS THAN
10 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS
THROUGH EARLY AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS LESS THAN 10 KNOTS BECOMING SOUTH
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST
GALES TO 35 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES
BUILDING TO 4 TO 7 FEET.
.SUNDAY...SOUTHWEST GALES TO 35 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS. A CHANCE OF SNOW...POSSIBLY MIXED WITH RAIN. WAVES
BUILDING TO 5 TO 8 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES CALM TO
2 FEET.

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

$$

LSZ264-261000-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
958 PM EDT WED MAR 25 2015

.REST OF TONIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTH 20 TO 30
KNOTS WITH A FEW GALE FORCE GUSTS TO 35 KNOTS AFTER MIDNIGHT.
SCATTERED SNOW SHOWERS...POSSIBLY MIXED WITH RAIN THROUGH
MIDNIGHT...THEN NUMEROUS SNOW SHOWERS.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS. SNOW SHOWERS LIKELY THROUGH
EARLY AFTERNOON...THEN A CHANCE OF SNOW SHOWERS.
.THURSDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS.
.FRIDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS THROUGH EARLY
AFTERNOON.
.FRIDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS BY MID AFTERNOON.
.SATURDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST
GALES TO 35 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW.
.SUNDAY...SOUTHWEST GALES TO 35 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS. SNOW LIKELY. A CHANCE OF SNOW.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS.

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

$$

LSZ265-261000-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
958 PM EDT WED MAR 25 2015

...GALE WARNING IN EFFECT FROM 4 AM EDT THURSDAY THROUGH THURSDAY
AFTERNOON...

.REST OF TONIGHT...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS AFTER MIDNIGHT. GALE FORCE GUSTS TO 35 KNOTS LATE. SCATTERED
SNOW SHOWERS...POSSIBLY MIXED WITH RAIN THROUGH MIDNIGHT...THEN
NUMEROUS SNOW SHOWERS. WAVES CALM TO 2 FEET BUILDING TO 3 TO 6 FEET.
.THURSDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
BY MID AFTERNOON. SNOW SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.THURSDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST
20 TO 30 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY...SOUTHWEST GALES TO 35 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS. SNOW...POSSIBLY MIXED WITH RAIN...THEN A CHANCE OF
SNOW...POSSIBLY MIXED WITH RAIN. WAVES BUILDING TO 3 TO 6 FEET...
THEN SUBSIDING TO 1 TO 3 FEET.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.

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

$$

LSZ266-261000-
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-
958 PM EDT WED MAR 25 2015

...GALE WARNING IN EFFECT FROM 4 AM EDT THURSDAY THROUGH THURSDAY
AFTERNOON...

.REST OF TONIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO 30
KNOTS AFTER MIDNIGHT. GALE FORCE GUSTS TO 35 KNOTS LATE. SCATTERED
SNOW SHOWERS. ISOLATED RAIN SHOWERS THROUGH MIDNIGHT.
.THURSDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS BY
MID AFTERNOON. SNOW SHOWERS LIKELY.
.THURSDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS.
.FRIDAY...NORTH WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST AFTER
MIDNIGHT.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS BY MID AFTERNOON.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO GALES
TO 35 KNOTS AFTER MIDNIGHT.
.SUNDAY...SOUTH GALES TO 35 KNOTS BECOMING NORTHWEST 20 TO 30 KNOTS.
SNOW LIKELY. A CHANCE OF RAIN. A CHANCE OF SNOW.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS.

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

$$

LSZ267-261000-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
958 PM EDT WED MAR 25 2015

.REST OF TONIGHT...WEST WINDS 10 TO 20 KNOTS. SCATTERED SNOW
SHOWERS.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS BY MID AFTERNOON. SNOW SHOWERS LIKELY THROUGH EARLY
AFTERNOON...THEN A CHANCE OF SNOW SHOWERS.
.THURSDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS THROUGH EARLY AFTERNOON.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON.
.SATURDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT.
.SUNDAY...SOUTH GALES TO 35 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS. SNOW LIKELY...THEN A CHANCE OF SNOW.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS.

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

$$
LSZ261-261000-
MAFOR 2603/
SUPERIOR WEST 12740 11847 11837 11830 13820. SCATTERED SNOW
SHOWERS OVERNIGHT. CHANCE OF SNOW SHOWERS THURSDAY. WAVES 3 TO 6
FEET OVERNIGHT SUBSIDING TO 1 TO 3 FEET THURSDAY AND THURSDAY
EVENING.

SUPERIOR NORTH CENTRAL 11720 11747 11847 19857 12847 12840 11830.
SCATTERED SNOW SHOWERS LATE THIS EVENING. CHANCE OF SNOW SHOWERS
THURSDAY EVENING. WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...11640 11647 11757
12857 13847. SCATTERED RAIN AND SNOW SHOWERS LATE THIS EVENING. WAVES
1 FOOT OR LESS BUILDING TO 3 TO 6 FEET OVERNIGHT. WAVES SUBSIDING TO
2 TO 4 FEET THURSDAY AND THURSDAY EVENING.

SUPERIOR EAST...12610 11720 11837 12847 11840 11830. CHANCE OF SNOW
SHOWERS THURSDAY EVENING. WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

KLUBER



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