Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 200143
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
943 PM EDT SAT APR 19 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...30.5 INCH HIGH PRESSURE OVER WESTERN QUEBEC WILL DRIFT
EASTWARD OVERNIGHT AS 29.7 INCH LOW PRESSURE OVER CENTRAL MANITOBA
TRACKS TO FAR NORTHWEST ONTARIO. THIS WILL ALLOW A WEAK 30.1 INCH
TROUGH TO GRAZE LAKE SUPERIOR LATE TONIGHT INTO SUNDAY MORNING. BY
SUNDAY NIGHT...LOW PRESSURE OF 29.8 INCHES WILL BEGIN TO DEVELOP OVER
THE UPPER MISSISSIPPI VALLEY. THIS LOW WILL DEEPEN TO 29.5 INCHES AS
IT CROSSES LAKE HURON INTO SOUTHERN QUEBEC MONDAY NIGHT. HIGH
PRESSURE RIDGING OF 30.2 INCHES WILL THEN BUILD INTO THE UPPER GREAT
LAKES AND PERSIST INTO EARLY THURSDAY. LOW PRESSURE OF 29.2 INCHES
WILL EMERGE FROM THE ROCKIES INTO THE CENTRAL PLAINS DURING THE DAY
ON THURSDAY.

LSZ162-200945-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
943 PM EDT SAT APR 19 2014 /843 PM CDT SAT APR 19 2014/

.REST OF TONIGHT...EAST WINDS 5 TO 15 KNOTS VEERING WEST LESS THAN
10 KNOTS AFTER MIDNIGHT. PATCHY FOG. WAVES CALM TO 2 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. PATCHY FOG. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS LESS THAN 10 KNOTS BACKING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS LESS THAN 10 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES
CALM TO 2 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF RAIN. WAVES BUILDING TO 1 TO 3 FEET.
.THURSDAY...EAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. RAIN LIKELY IN THE MORNING...THEN A CHANCE OF RAIN. WAVES
BUILDING TO 2 TO 4 FEET.

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

$$

LSZ263-200945-
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-
943 PM EDT SAT APR 19 2014

.REST OF TONIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST
5 TO 15 KNOTS AFTER MIDNIGHT. PATCHY FOG. A SLIGHT CHANCE OF RAIN.
WAVES 2 TO 4 FEET SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. PATCHY FOG. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS LESS THAN 10 KNOTS BACKING EAST
AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...EAST WINDS LESS THAN 10 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A
SLIGHT CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF RAIN...POSSIBLY MIXED WITH SNOW. WAVES
BUILDING TO 1 TO 3 FEET.
.THURSDAY...EAST WINDS 15 TO 25 KNOTS. RAIN LIKELY...POSSIBLY MIXED
WITH SNOW IN THE MORNING...THEN A CHANCE OF RAIN. WAVES BUILDING TO
2 TO 4 FEET.

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

$$

LSZ264-200945-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
943 PM EDT SAT APR 19 2014

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

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

$$

LSZ265-200945-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
943 PM EDT SAT APR 19 2014

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. A
CHANCE OF RAIN THROUGH MIDNIGHT...THEN A SLIGHT CHANCE OF RAIN.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON.
.SUNDAY NIGHT...EAST WINDS LESS THAN 10 KNOTS BECOMING SOUTHEAST
5 TO 15 KNOTS AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT.
.MONDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING WEST BY MID
AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A CHANCE OF RAIN
SHOWERS.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS AFTER MIDNIGHT.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS.
.TUESDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS.
.THURSDAY...SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING EAST 10 TO
20 KNOTS. A CHANCE OF RAIN.

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

$$

LSZ266-267-200945-
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-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
943 PM EDT SAT APR 19 2014

.REST OF TONIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS VEERING SOUTH
AFTER MIDNIGHT. PATCHY FOG. RAIN THROUGH MIDNIGHT...THEN A CHANCE OF
RAIN AFTER MIDNIGHT.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO 15 KNOTS
BY MID AFTERNOON. A SLIGHT CHANCE OF RAIN THROUGH LATE MORNING.
PATCHY FOG.
.SUNDAY NIGHT...NORTHEAST WINDS LESS THAN 10 KNOTS VEERING EAST
AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT.
.MONDAY...EAST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A
CHANCE OF RAIN SHOWERS.
.MONDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS VEERING SOUTHEAST.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 15 TO
25 KNOTS. A CHANCE OF RAIN AND SNOW.

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

$$
LSZ261-200945-
MAFOR 2003/
SUPERIOR WEST 11410 11510 12600 12510 11500 11400. PATCHY FOG THROUGH
SUNDAY AFTERNOON. WAVES 1 FOOT OR LESS. WAVE HEIGHT FORECASTS ARE
FOR ICE FREE AREAS.

SUPERIOR NORTH CENTRAL 11330 11430 11420 11510 13610 11500. PATCHY
FOG THROUGH SUNDAY AFTERNOON. SLIGHT CHANCE OF RAIN OVERNIGHT. WAVES
4 FEET OR LESS. WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

SUPERIOR SOUTH CENTRAL 11436 12430 12510 11700 11800 11100. PATCHY
FOG THROUGH SUNDAY AFTERNOON. RAIN LIKELY LATE THIS EVENING. CHANCE
OF RAIN OVERNIGHT. WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR EAST 11336 11436 11430 12420 11510 11600 11700. PATCHY FOG
THROUGH SUNDAY AFTERNOON. CHANCE OF RAIN SUNDAY MORNING. WAVES
OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

KLUBER





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