Great Lakes Forecast
Issued by NWS

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FZUS63 KMQT 240158
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
958 PM EDT WED APR 23 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...30.1 INCH HIGH PRESSURE ACROSS THE GREAT LAKES WILL
SHIFT EAST INTO THE MIDDLE ATLANTIC STATES BY THURSDAY EVENING.
MEANWHILE...LOW PRESSURE OF 29.5 INCHES OVER THE CENTRAL PLAINS WILL
MOVE TO THE LOWER GREAT LAKES THURSDAY NIGHT INTO FRIDAY...BEFORE
MOVING TO QUEBEC BY SATURDAY. A LARGE CANADIAN HIGH PRESSURE RIDGE
AVERAGING 30.4 INCHES WILL BUILD ACROSS THE NORTHERN GREAT LAKES
SATURDAY INTO MONDAY.

LSZ162-241000-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
958 PM EDT WED APR 23 2014 /858 PM CDT WED APR 23 2014/

.REST OF TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
RAIN AND SNOW BY MIDNIGHT. WAVES 1 TO 3 FEET.
.THURSDAY...EAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW THROUGH EARLY
AFTERNOON. SNOW BY MID AFTERNOON. A CHANCE OF RAIN. WAVES BUILDING
TO 3 TO 6 FEET.
.THURSDAY NIGHT...EAST WINDS 15 TO 25 KNOTS BECOMING NORTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. SNOW...POSSIBLY MIXED WITH RAIN.
WAVES 3 TO 5 FEET.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS. SNOW LIKELY THROUGH
EARLY AFTERNOON...THEN A CHANCE OF SNOW...POSSIBLY MIXED WITH
RAIN BY MID AFTERNOON. WAVES SUBSIDING TO 2 TO 4 FEET...THEN
BUILDING TO 3 TO 5 FEET.
.FRIDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
1 TO 3 FEET.
.SUNDAY...EAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS.
WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.MONDAY...EAST WINDS 20 TO 30 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS. WAVES BUILDING TO 3 TO 6 FEET.

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

$$

LSZ263-241000-
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-
958 PM EDT WED APR 23 2014

.REST OF TONIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. WAVES
CALM TO 2 FEET.
.THURSDAY...EAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW THROUGH EARLY
AFTERNOON...THEN SNOW. A CHANCE OF RAIN. WAVES BUILDING TO 2 TO 4
FEET.
.THURSDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. SNOW...POSSIBLY
MIXED WITH RAIN. WAVES BUILDING TO 3 TO 6 FEET.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS BY MID AFTERNOON. SNOW THROUGH EARLY AFTERNOON...THEN A
CHANCE OF SNOW. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3
TO 6 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
2 TO 4 FEET.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...EAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS.
WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...EAST WINDS 15 TO 25 KNOTS BACKING NORTHEAST. WAVES
BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.

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

$$

LSZ264-241000-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
958 PM EDT WED APR 23 2014

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN...
POSSIBLY MIXED WITH SNOW BY MID AFTERNOON. WAVES BUILDING TO 1 TO
3 FEET.
.THURSDAY NIGHT...EAST WINDS 20 TO 30 KNOTS. SNOW...POSSIBLY
MIXED WITH RAIN. WAVES BUILDING TO 3 TO 6 FEET.
.FRIDAY...EAST WINDS 15 TO 25 KNOTS BECOMING NORTHEAST 20 TO
30 KNOTS BY MID AFTERNOON. SNOW THROUGH EARLY AFTERNOON...THEN
SNOW LIKELY. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO
6 FEET.
.FRIDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO
2 TO 4 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES BUILDING
TO 1 TO 3 FEET.
.SUNDAY...EAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS.
WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 2 TO 4 FEET.
.MONDAY...EAST WINDS 15 TO 25 KNOTS BACKING NORTHEAST. WAVES
SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 2 TO 4 FEET.

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

$$

LSZ265-241000-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
958 PM EDT WED APR 23 2014

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW THROUGH EARLY
AFTERNOON...THEN SNOW. A CHANCE OF RAIN.
.THURSDAY NIGHT...EAST WINDS 20 TO 30 KNOTS. SNOW...POSSIBLY
MIXED WITH RAIN.
.FRIDAY...EAST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO 25 KNOTS
BY MID AFTERNOON. SNOW THROUGH EARLY AFTERNOON...THEN A CHANCE OF
SNOW.
.FRIDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT.
.SATURDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST
AFTER MIDNIGHT.
.SUNDAY...EAST WINDS 10 TO 20 KNOTS.
.MONDAY...EAST WINDS 15 TO 25 KNOTS BACKING NORTHEAST.

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

$$

LSZ266-241000-
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-
958 PM EDT WED APR 23 2014

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN...POSSIBLY MIXED WITH
SNOW.
.THURSDAY NIGHT...EAST WINDS 20 TO 30 KNOTS. SNOW...POSSIBLY
MIXED WITH RAIN.
.FRIDAY...EAST WINDS 15 TO 25 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. SNOW THROUGH EARLY AFTERNOON...THEN A CHANCE OF SNOW.
.FRIDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT.
.SATURDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST.
.MONDAY...NORTHEAST WINDS 15 TO 25 KNOTS.

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

$$

LSZ267-241000-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
958 PM EDT WED APR 23 2014

.REST OF TONIGHT...WEST WINDS LESS THAN 10 KNOTS BACKING SOUTHEAST 5
TO 15 KNOTS AFTER MIDNIGHT.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO 25 KNOTS
BY MID AFTERNOON. A CHANCE OF RAIN...POSSIBLY MIXED WITH SNOW BY
MID AFTERNOON.
.THURSDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING EAST
20 TO 30 KNOTS AFTER MIDNIGHT. SNOW...POSSIBLY MIXED WITH RAIN.
.FRIDAY...EAST WINDS 15 TO 25 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. A SLIGHT CHANCE OF RAIN THROUGH EARLY AFTERNOON. SNOW.
.FRIDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT.
.SATURDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST.
.MONDAY...NORTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS.

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

$$
LSZ261-241000-
MAFOR 2403/
SUPERIOR WEST 11220 11320 11310 11120 11220 13247. SLIGHT CHANCE OF
SNOW AND A CHANCE OF RAIN IN THE MORNING. WAVES 1 TO 3 FEET
OVERNIGHT. WAVES 2 FEET OR LESS BUILDING TO 2 TO 4 FEET THURSDAY.
WAVES BUILDING TO 4 TO 6 FEET THURSDAY EVENING. WAVE HEIGHT FORECASTS
ARE FOR ICE FREE AREAS.

SUPERIOR NORTH CENTRAL 13310 12320 11330 11336 11247. CHANCE OF RAIN
AND SLIGHT CHANCE OF SNOW THURSDAY AFTERNOON. WAVES 2 FEET OR LESS
OVERNIGHT AND THURSDAY. WAVES 1 TO 4 FEET THURSDAY EVENING. WAVE
HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

SUPERIOR SOUTH CENTRAL 13310 11320 11230 11330 11337 11247. CHANCE
OF RAIN AND SLIGHT CHANCE OF SNOW THURSDAY AFTERNOON. WAVES OMITTED
FOR MOSTLY ICE COVERED AREAS.

SUPERIOR EAST 13300 11210 12220 11330 11336. SLIGHT CHANCE OF RAIN
AND SNOW THURSDAY AFTERNOON. WAVES OMITTED FOR MOSTLY ICE COVERED
AREAS.

$$

KLUBER





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