Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 200152
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
952 PM EDT SUN MAR 19 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.9 INCH TROUGH JUST WEST OF LAKE SUPERIOR LATE
THIS EVENING WILL CROSS LAKE SUPERIOR OVERNIGHT AND THE LOWER
GREAT LAKES ON MONDAY. A 30.6 INCH HIGH PRESSURE WILL DRIFT ACROSS
THE UPPER GREAT LAKES ON WEDNESDAY BEFORE REACHING THE EAST COAST
ON THURSDAY AS A 29.4 INCH LOW PRESSURE ORGANIZES OVER THE
WESTERN PLAINS. BY FRIDAY AFTERNOON...THIS LOW WILL BECOME PART OF
A 29.7 INCH TROUGH EXTENDING FROM THE CENTRAL PLAINS TO THE
WESTERN GREAT LAKES.

LSZ162-201000-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
952 PM EDT SUN MAR 19 2017 /852 PM CDT SUN MAR 19 2017/

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

$$

LSZ263-201000-
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-
952 PM EDT SUN MAR 19 2017

.REST OF TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST AFTER
MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO CALM TO 2 FEET.
.MONDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST BY LATE
MORNING. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MIDNIGHT...THEN VEERING NORTHWEST LATE. WAVES
BUILDING TO 3 TO 5 FEET.
.TUESDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES 1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF SNOW
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. RAIN...POSSIBLY MIXED WITH SNOW. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...NORTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF RAIN AND SNOW. WAVES BUILDING TO 4 TO
7 FEET.

$$

LSZ264-201000-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
952 PM EDT SUN MAR 19 2017

.REST OF TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST LATE.
ISOLATED RAIN SHOWERS THROUGH MIDNIGHT. WAVES 3 TO 6 FEET
SUBSIDING TO 2 TO 4 FEET.
.MONDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MIDNIGHT...THEN VEERING NORTHWEST LATE. A SLIGHT
CHANCE OF RAIN AND SNOW SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO
3 TO 6 FEET.
.TUESDAY...NORTH WINDS 10 TO 20 KNOTS. FREEZING SPRAY THROUGH
EARLY AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES 3 TO 5 FEET.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. WAVES BUILDING TO
1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. SNOW...POSSIBLY MIXED WITH RAIN. WAVES BUILDING TO 3 TO
5 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF RAIN AND SNOW. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 5 TO 8 FEET.

$$

LSZ265-201000-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
952 PM EDT SUN MAR 19 2017

.REST OF TONIGHT...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS BY MIDNIGHT...THEN VEERING SOUTHWEST LATE.
ISOLATED RAIN SHOWERS THROUGH MIDNIGHT. WAVES 3 TO 5 FEET
SUBSIDING TO 1 TO 3 FEET.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST LATE. WAVES
SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST
20 TO 30 KNOTS LATE. A SLIGHT CHANCE OF RAIN AND SNOW SHOWERS
AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET.
.TUESDAY...NORTH WINDS 20 TO 30 KNOTS. FREEZING SPRAY. A CHANCE
OF SNOW SHOWERS. WAVES BUILDING TO 3 TO 6 FEET.
.TUESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. FREEZING SPRAY THROUGH MIDNIGHT. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. RAIN AND SNOW. WAVES BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS. RAIN AND SNOW LIKELY...THEN A CHANCE OF SNOW...POSSIBLY
MIXED WITH RAIN. WAVES BUILDING TO 5 TO 9 FEET.

$$

LSZ266-201000-
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-
952 PM EDT SUN MAR 19 2017

.REST OF TONIGHT...SOUTH WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT...THEN VEERING SOUTHWEST LATE.
SCATTERED RAIN SHOWERS AND ISOLATED THUNDERSTORMS THROUGH
MIDNIGHT. SOME THUNDERSTORMS MAY PRODUCE SMALL HAIL. WAVES 4 TO 7
FEET SUBSIDING TO 3 TO 5 FEET.
.MONDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS LATE. WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO
2 TO 4 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT...THEN VEERING NORTHWEST LATE. A SLIGHT
CHANCE OF RAIN AND SNOW SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO
3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.TUESDAY...NORTH WINDS 20 TO 30 KNOTS. FREEZING SPRAY. A CHANCE
OF SNOW SHOWERS. WAVES BUILDING TO 4 TO 7 FEET.
.TUESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.THURSDAY...SOUTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. RAIN AND SNOW. WAVES BUILDING TO 3 TO 6 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...EAST WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 20 TO
30 KNOTS. RAIN...POSSIBLY MIXED WITH SNOW...THEN A CHANCE OF
SNOW...POSSIBLY MIXED WITH RAIN. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 6 TO 9 FEET.

$$

LSZ267-201000-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
952 PM EDT SUN MAR 19 2017

.REST OF TONIGHT...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS LATE. SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS THROUGH MIDNIGHT. SOME THUNDERSTORMS MAY PRODUCE
SMALL HAIL. WAVES 3 TO 5 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST BY
LATE MORNING...THEN INCREASING TO 15 TO 25 KNOTS BY MID
AFTERNOON. WAVES SUBSIDING TO 2 TO 4 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST BY
MIDNIGHT...THEN INCREASING TO 15 TO 25 KNOTS AFTER MIDNIGHT. A
SLIGHT CHANCE OF RAIN AND SNOW SHOWERS AFTER MIDNIGHT. WAVES
BUILDING TO 3 TO 5 FEET.
.TUESDAY...NORTH WINDS 20 TO 30 KNOTS. FREEZING SPRAY. A CHANCE
OF SNOW SHOWERS. WAVES BUILDING TO 4 TO 7 FEET.
.TUESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BACKING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 15 TO 25 KNOTS. SNOW...POSSIBLY MIXED
WITH RAIN. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO
3 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS. RAIN AND SNOW LIKELY. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 4 TO 7 FEET.

$$
LSZ261-201000-
MAFOR 2003/
SUPERIOR WEST 11520 11620 12710 11610 11620 11520 11620. WAVES 1
TO 3 FEET.

SUPERIOR NORTH CENTRAL 11430 11530 11620 12720 11620 12630. WAVES
2 TO 6 FEET.

SUPERIOR SOUTH CENTRAL 12430 11520 13720 11610 11620. WAVES 1 TO
5 FEET.

SUPERIOR EAST 11440 12530 11620 11730 12720 11620. SCATTERED RAIN
SHOWERS AND ISOLATED THUNDERSTORMS LATE THIS EVENING. WAVES 2 TO
6 FEET.


$$

KLUBER



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