Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 251959
GLFLS

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

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...29.6 INCH LOW PRESSURE OVER NORTHWEST LAKE SUPERIOR LATE
THIS AFTERNOON WILL SHIFT EASTWARD TO WESTERN QUEBEC BY LATE TONIGHT.
A LINGERING 29.8 INCH TROUGH ACROSS LAKE SUPERIOR TONIGHT WILL EXIT
TO THE SOUTHEAST THURSDAY MORNING. 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.

LSZ162-260400-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
359 PM EDT WED MAR 25 2015

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST.
A CHANCE OF RAIN...POSSIBLY MIXED WITH SNOW. WAVES CALM TO 2 FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS THROUGH
MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 3 TO
5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 3 TO 5 FEET...THEN 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.

$$

LSZ263-260400-
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-
359 PM EDT WED MAR 25 2015

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST.
A CHANCE OF SNOW...POSSIBLY MIXED WITH RAIN. WAVES CALM TO 2 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 20 TO
30 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS...POSSIBLY
MIXED WITH RAIN THROUGH MIDNIGHT...THEN SNOW SHOWERS LIKELY. WAVES
BUILDING TO 3 TO 6 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.

$$

LSZ264-260400-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
359 PM EDT WED MAR 25 2015

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST. A
CHANCE OF SNOW.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS...POSSIBLY
MIXED WITH RAIN THROUGH MIDNIGHT...THEN SNOW SHOWERS LIKELY.
.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.

$$

LSZ265-260400-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
359 PM EDT WED MAR 25 2015

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY
AFTERNOON...

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST. A
CHANCE OF SNOW...POSSIBLY MIXED WITH RAIN. WAVES CALM TO 2 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST GALES TO
35 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS...POSSIBLY
MIXED WITH RAIN THROUGH MIDNIGHT...THEN SNOW SHOWERS LIKELY. WAVES
BUILDING TO 2 TO 4 FEET.
.THURSDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
BY MID AFTERNOON. SNOW SHOWERS. WAVES BUILDING TO 3 TO 5 FEET...
THEN 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.

$$

LSZ266-260400-
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-
359 PM EDT WED MAR 25 2015

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY
AFTERNOON...

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST. A
CHANCE OF SNOW.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO 30 KNOTS
WITH GALE FORCE GUSTS TO 35 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF
RAIN SHOWERS THROUGH MIDNIGHT. A CHANCE OF SNOW SHOWERS.
.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.

$$

LSZ267-260400-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
359 PM EDT WED MAR 25 2015

.LATE THIS AFTERNOON...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST.
A CHANCE OF SNOW.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF 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.

$$

LSZ261-260400-
MAFOR 2521/
SUPERIOR WEST 12630 12740 11847 11837 11830 11820. CHANCE OF RAIN
AND SNOW THIS EVENING. CHANCE OF SNOW SHOWERS OVERNIGHT AND LATE
THURSDAY. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET TONIGHT. WAVES
SUBSIDING TO 2 TO 4 FEET THURSDAY.

SUPERIOR NORTH CENTRAL 11610 12710 11747 11857 12847 11840.
CHANCE OF SNOW THIS EVENING. WAVES OMITTED FOR MOSTLY ICE COVERED
AREAS.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...12610 11630
11640 11757 12857 11847. CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE OF
RAIN SHOWERS THIS EVENING. WAVES 1 FOOT OR LESS BUILDING TO 1 TO 3
FEET TONIGHT. WAVES 2 TO 5 FEET.

SUPERIOR EAST...11620 13610 11720 11837 12847. CHANCE OF SNOW THIS
EVENING. WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

KLUBER


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