Great Lakes Forecast
Issued by NWS

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FZUS63 KMQT 210212
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1012 PM EDT FRI MAR 20 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A LOW PRESSURE TROUGH OF 29.8 INCHES WILL SLIDE ACROSS
THE LOWER GREAT LAKES THROUGH TONIGHT. HIGH PRESSURE OF 30.5 INCHES
FROM THE NORTHWEST TERRITORIES TO SOUTH CENTRAL CANADA THIS AFTERNOON
WILL EXTEND A RIDGE OF 30.3 INCHES OVER THE UPPER GREAT LAKES ON
SATURDAY AND ACROSS THE REST OF THE GREAT LAKES BY SUNDAY. THE MAIN
HIGH PRESSURE CENTER OF 30.5 INCHES WILL THEN SETTLE OVER THE GREAT
LAKES ON MONDAY AND SLIDE OVER NEW ENGLAND AND THE MID ATLANTIC
STATES ON TUESDAY AS LOW PRESSURE OF 29.5 INCHES DEVELOPS OVER THE
NORTHERN AND CENTRAL PLAINS. THIS LOW WILL CROSS THE UPPER GREAT
LAKES ON WEDNESDAY.

LSZ162-211015-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1012 PM EDT FRI MAR 20 2015

.REST OF TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. A SLIGHT
CHANCE OF SNOW THROUGH MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS THROUGH EARLY
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.MONDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS.
A CHANCE OF RAIN. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS. 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.

$$

LSZ263-211015-
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-
1012 PM EDT FRI MAR 20 2015

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF
SNOW. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH
5 TO 15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS THROUGH EARLY
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.MONDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST. A CHANCE OF
RAIN. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS. 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.

$$

LSZ264-211015-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1012 PM EDT FRI MAR 20 2015

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF
SNOW.
.SATURDAY...NORTH WINDS 15 TO 25 KNOTS BACKING WEST BY MID
AFTERNOON. A CHANCE OF SNOW SHOWERS.
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS THROUGH EARLY AFTERNOON.
.SUNDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT.
.MONDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH
5 TO 15 KNOTS AFTER MIDNIGHT.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. A CHANCE OF SNOW.

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

$$

LSZ265-211015-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1012 PM EDT FRI MAR 20 2015

.REST OF TONIGHT...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. SNOW THROUGH MIDNIGHT...THEN A CHANCE OF
SNOW AND A SLIGHT CHANCE OF FREEZING DRIZZLE. WAVES CALM TO 2 FEET
BUILDING TO 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 15 TO 25 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS THROUGH EARLY AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF SNOW...POSSIBLY MIXED WITH RAIN. WAVES CALM
TO 2 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING NORTH. SNOW
LIKELY...THEN A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

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

$$

LSZ266-211015-
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-
1012 PM EDT FRI MAR 20 2015

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KNOTS. SNOW THROUGH MIDNIGHT...
THEN A SLIGHT CHANCE OF SNOW AND FREEZING DRIZZLE. WAVES CALM TO 2
FEET BUILDING TO 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 15 TO 25 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS BACKING SOUTHEAST. A CHANCE
OF SNOW. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. SNOW LIKELY...THEN A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

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

$$

LSZ267-211015-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1012 PM EDT FRI MAR 20 2015

.REST OF TONIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH
15 TO 25 KNOTS AFTER MIDNIGHT. SNOW THROUGH MIDNIGHT...THEN A CHANCE
OF SNOW.
.SATURDAY...NORTHWEST WINDS 20 TO 30 KNOTS. A CHANCE OF SNOW
SHOWERS.
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF
SNOW SHOWERS.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS.
.SUNDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST AFTER
MIDNIGHT.
.MONDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST BY MID
AFTERNOON.
.MONDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT.
.TUESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF SNOW.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS. SNOW LIKELY...THEN A
CHANCE OF SNOW SHOWERS.

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

$$

LSZ261-211015-
MAFOR 2103/
SUPERIOR WEST 14730 11720 11620 11630 11720. WAVES 1 TO 4 FEET.

SUPERIOR NORTH CENTRAL 11820 13830 12730 11630 11720. CHANCE OF
SNOW SHOWERS SATURDAY AND SATURDAY EVENING. WAVES OMITTED FOR
MOSTLY ICE COVERED AREAS.

SUPERIOR SOUTH CENTRAL 11827 13830 14730. SLIGHT CHANCE OF FREEZING
DRIZZLE OVERNIGHT. CHANCE OF SNOW SHOWERS EARLY SATURDAY AFTERNOON
AND SATURDAY EVENING. WAVES 1 TO 3 FEET.

SUPERIOR EAST 11727 11720 11820 11730 13740 11710. CHANCE OF SNOW
OVERNIGHT. CHANCE OF SNOW SHOWERS SATURDAY AND SATURDAY EVENING.
WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

KLUBER


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