Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 250135
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
935 PM EDT TUE MAR 24 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...HIGH PRESSURE OF 30.4 INCHES OVER NEW YORK WILL MOVE OFF
THE EAST COAST WEDNESDAY MORNING. LOW PRESSURE OF 29.7 INCHES OVER
MISSOURI WILL TRACK NORTHEAST TONIGHT...CROSSING LOWER MICHIGAN ON
WEDNESDAY. ANOTHER LOW PRESSURE SYSTEM OF 29.6 INCHES OVER NORTH
DAKOTA WILL MOVE EAST...CROSSING LAKE SUPERIOR WEDNESDAY NIGHT. THE
TWO LOWS WILL THEN MERGE INTO ONE 29.4 INCH LOW OVER FAR WESTERN
QUEBEC BY THURSDAY MORNING. THE LOW WILL TRACK NORTHEASTWARD ACROSS
QUEBEC ON THURSDAY WHILE PUSHING A 29.8 INCH TROUGH OVER THE LOWER
GREAT LAKES. HIGH PRESSURE OF 30.5 INCHES OVER MANITOBA THURSDAY WILL
MOVE OVER THE WESTERN GREAT LAKES ON FRIDAY. THE HIGH WILL SETTLE
OVER THE OHIO VALLEY ON SATURDAY AND MOVE TO THE MID ATLANTIC STATES
SUNDAY. LOW PRESSURE OF 29.3 INCHES OVER SOUTHERN MANITOBA SATURDAY
EVENING WILL STRENGTHEN TO 29.1 INCHES SUNDAY WHILE TRACKING ACROSS
NORTHERN ONTARIO AND LAKE SUPERIOR.

LSZ162-250945-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
935 PM EDT TUE MAR 24 2015

.REST OF TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. A CHANCE OF SNOW AFTER MIDNIGHT...THEN SNOW LIKELY
LATE. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. SNOW LIKELY THROUGH NOON...THEN A CHANCE
OF SNOW. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. A CHANCE OF RAIN
SHOWERS THROUGH MID EVENING. WAVES BUILDING TO 2 TO 4 FEET.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING WEST LESS THAN
10 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.

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

$$

LSZ263-250945-
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-
935 PM EDT TUE MAR 24 2015

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. A CHANCE OF
SNOW LATE. WAVES CALM TO 2 FEET BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING WEST BY MID
AFTERNOON. SNOW LIKELY THROUGH NOON...THEN A CHANCE OF SNOW. WAVES
SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH
15 TO 25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY. RAIN SHOWERS
LIKELY THROUGH MID EVENING. WAVES BUILDING TO 3 TO 5 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 BUILDING TO 3 TO 6
FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.THURSDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.FRIDAY...NORTH WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO 5 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.

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

$$

LSZ264-250945-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
935 PM EDT TUE MAR 24 2015

.REST OF TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. A SLIGHT
CHANCE OF SNOW LATE.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW...ESPECIALLY SOUTH.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS 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.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS BY MID AFTERNOON.
.FRIDAY NIGHT...WEST WINDS 5 TO 15 KNOTS.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF SNOW.
.SUNDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. A CHANCE OF SNOW.

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

$$

LSZ265-250945-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
935 PM EDT TUE MAR 24 2015

.REST OF TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
LATE. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING WEST BY MID
AFTERNOON. SNOW THROUGH EARLY AFTERNOON...THEN A CHANCE OF SNOW.
WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY. WAVES
BUILDING TO 2 TO 4 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS. SNOW SHOWERS. WAVES BUILDING
TO 3 TO 5 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.THURSDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A CHANCE
OF SNOW. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.

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

$$

LSZ266-250945-
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-
935 PM EDT TUE MAR 24 2015

.REST OF TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE
OF SNOW SOUTH LATE.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. SNOW THROUGH EARLY AFTERNOON...THEN A
CHANCE OF SNOW.
.WEDNESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS 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 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST BY MID
AFTERNOON.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST AFTER
MIDNIGHT.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 15 TO
25 KNOTS. A CHANCE OF SNOW.
.SUNDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A
CHANCE OF SNOW.

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

$$

LSZ267-250945-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
935 PM EDT TUE MAR 24 2015

.REST OF TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING WEST BY MID
AFTERNOON. SNOW LIKELY. A SLIGHT CHANCE OF FREEZING RAIN THROUGH
LATE MORNING.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. 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 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST BY MID
AFTERNOON.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST AFTER
MIDNIGHT.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. A CHANCE OF SNOW.
.SUNDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A
CHANCE OF SNOW.

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

$$
LSZ261-250945-
MAFOR 2503/
SUPERIOR WEST 12310 11410 11417 11407 12510 11627. CHANCE OF SNOW
WEDNESDAY. CHANCE OF RAIN SHOWERS WEDNESDAY EVENING. WAVES 2 FEET
OR LESS.

SUPERIOR NORTH CENTRAL 14320 11327 11400 11610 11700. CHANCE OF
SNOW EARLY WEDNESDAY AFTERNOON. CHANCE OF SNOW SHOWERS WEDNESDAY
EVENING. WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR SOUTH CENTRAL 12320 11310 12317 11500 11600 11607.
CHANCE OF SNOW WEDNESDAY. WAVES 3 FEET OR LESS.

SUPERIOR EAST 11310 12320 12327 11410 11610 11600. CHANCE OF SNOW
SHOWERS WEDNESDAY EVENING. WAVES OMITTED FOR MOSTLY ICE COVERED
AREAS.

$$

KLUBER



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