Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 131354
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
954 AM EDT SUN APR 13 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.4 INCH LOW PRESSURE SYSTEM OVER THE CENTRAL PLAINS
WILL EXTEND A 29.6 INCH TROUGH ACROSS WISCONSIN AND LOWER MICHIGAN
TODAY. THE LOW PRESSURE WILL THEN MOVE NORTHEASTWARD ALONG THIS
TROUGH LATE THIS AFTERNOON THROUGH MONDAY...REACHING SOUTHERN QUEBEC
AT 29.3 INCH BY MONDAY AFTERNOON. MEANWHILE...30.5 INCH HIGH PRESSURE
WILL BUILD ACROSS SOUTH CENTRAL CANADA. A 30.1 INCH RIDGE EXTENDING
FROM THE HIGH WILL DRIFT ACROSS THE UPPER MISSISSIPPI VALLEY TUESDAY
AND THE GREAT LAKES REGION TUESDAY NIGHT. 29.4 INCH LOW PRESSURE OVER
THE CENTRAL PLAINS WEDNESDAY MORNING WILL MOVE EAST ACROSS LAKE
SUPERIOR WEDNESDAY NIGHT WHILE WEAKENING TO 29.9 INCHES BY THURSDAY
MORNING. 30.6 INCH HIGH PRESSURE WILL MOVE INTO THE NORTHERN PLAINS
ON THURSDAY.

LSZ162-132200-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
954 AM EDT SUN APR 13 2014 /854 AM CDT SUN APR 13 2014/

.REST OF TODAY...WEST WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH NOON. WAVES CALM TO 2
FEET.
.TONIGHT...NORTH WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.MONDAY...NORTH WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF SNOW BY
MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.MONDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 2 TO 4 FEET.
.THURSDAY...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET.

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

$$

LSZ263-132200-
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-
954 AM EDT SUN APR 13 2014

.REST OF TODAY...VARIABLE WINDS LESS THAN 10 KNOTS BECOMING WEST 5
TO 15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH NOON. WAVES CALM TO
2 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW AFTER MIDNIGHT.
WAVES BUILDING TO 4 TO 7 FEET.
.MONDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW. WAVES
SUBSIDING TO 2 TO 4 FEET.
.MONDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 2 TO 4 FEET.
.THURSDAY...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET.

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

$$

LSZ264-132200-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
954 AM EDT SUN APR 13 2014

.REST OF TODAY...VARIABLE WINDS LESS THAN 10 KNOTS BECOMING WEST 5
TO 15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH NOON. WAVES CALM TO
2 FEET.
.TONIGHT...NORTH WINDS 15 TO 25 KNOTS INCREASING 20 TO 30 KNOTS WITH
A FEW GALE FORCE GUSTS TO 35 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE
OF SNOW AFTER MIDNIGHT. WAVES BUILDING TO 5 TO 8 FEET.
.MONDAY...NORTH WINDS 20 TO 30 KNOTS. FREEZING SPRAY THROUGH EARLY
AFTERNOON. A SLIGHT CHANCE OF SNOW. WAVES SUBSIDING TO 3 TO 5 FEET.
.MONDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 2 TO 4 FEET.
.THURSDAY...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET.

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

$$

LSZ265-132200-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
954 AM EDT SUN APR 13 2014

.REST OF TODAY...NORTHEAST WINDS LESS THAN 10 KNOTS BACKING
NORTHWEST 5 TO 15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH NOON.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH 20 TO 30
KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN THROUGH MIDNIGHT. A
SLIGHT CHANCE OF SNOW.
.MONDAY...NORTH WINDS 20 TO 30 KNOTS. A SLIGHT CHANCE OF SNOW.
.MONDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS AFTER MIDNIGHT.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST. A
CHANCE OF SNOW.
.THURSDAY...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW.

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

$$

LSZ266-132200-
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-
954 AM EDT SUN APR 13 2014

.REST OF TODAY...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTHWEST
BY MID AFTERNOON. PATCHY FOG THROUGH NOON.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW...POSSIBLY MIXED WITH
RAIN.
.MONDAY...NORTH WINDS 20 TO 30 KNOTS WITH A FEW GALE FORCE GUSTS TO
35 KNOTS. A SLIGHT CHANCE OF SNOW.
.MONDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS AFTER MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST. A
CHANCE OF SNOW.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.

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

$$

LSZ267-132200-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
954 AM EDT SUN APR 13 2014

.REST OF TODAY...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH BY
MID AFTERNOON. PATCHY FOG THROUGH NOON. A SLIGHT CHANCE OF RAIN BY
MID AFTERNOON.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW THROUGH
MIDNIGHT. SNOW LIKELY AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN.
.MONDAY...NORTH WINDS 20 TO 30 KNOTS. A CHANCE OF SNOW.
.MONDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS AFTER MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST. A
CHANCE OF SNOW.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.

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

$$
LSZ261-132200-
MAFOR 1315/
SUPERIOR WEST 11700 11610 11720 14830 11830. WAVES 1 FOOT OR LESS
THIS AFTERNOON BUILDING TO 2 TO 4 FEET TONIGHT AND MONDAY MORNING.
WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

SUPERIOR NORTH CENTRAL 11100 11600 11610 11720 14840. SLIGHT CHANCE
OF SNOW OVERNIGHT. WAVES 1 FOOT OR LESS THIS AFTERNOON BUILDING TO 5
TO 8 FEET TONIGHT AND MONDAY MORNING. WAVE HEIGHT FORECASTS ARE FOR
ICE FREE AREAS.

SUPERIOR SOUTH CENTRAL 11700 13710 11740 13840. SLIGHT CHANCE OF
RAIN AND SNOW TONIGHT. SLIGHT CHANCE OF SNOW MONDAY MORNING. WAVES
OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR EAST 11100 11800 11700 11810 11820 11830 12840. CHANCE OF
SNOW AND SLIGHT CHANCE OF RAIN TONIGHT. CHANCE OF SNOW MONDAY
MORNING. WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

KLUBER





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