Great Lakes Forecast
Issued by NWS

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FZUS63 KMQT 190203
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1003 PM EDT FRI APR 18 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...30.5 INCH HIGH PRESSURE OVER SOUTHERN HUDSON BAY WILL
CONTINUE TO PASS A 30.4 INCH RIDGE EASTWARD ACROSS THE UPPER GREAT
LAKES THROUGH SATURDAY MORNING. MEANWHILE 29.5 INCH LOW PRESSURE
DEVELOPING OVER THE NORTHERN ROCKIES WILL TRACK TO NEAR LAKE WINNIPEG
BY SATURDAY AFTERNOON. THE LOW WILL THEN SHIFT EASTWARD ACROSS FAR
NORTHERN ONTARIO ON SUNDAY AND PUSH A 30.0 INCH TROUGH ACROSS THE
UPPER GREAT LAKES LATE SATURDAY NIGHT THROUGH SUNDAY. A 30.1 INCH
HIGH PRESSURE RIDGE WILL QUICKLY MOVE ACROSS LAKE SUPERIOR SUNDAY
NIGHT INTO EARLY MONDAY...AHEAD OF THE NEXT QUICK MOVING 29.8 INCH
LOW PRESSURE SYSTEM SINKING ACROSS THE GREAT LAKES REGION FROM THE
NORTHWEST MONDAY AFTERNOON INTO MONDAY NIGHT. EXPECT 30.2 INCH HIGH
PRESSURE OVER CENTRAL CANADA AND THE NORTHERN PLAINS TUESDAY MORNING
TO DRIFT TOWARD THE UPPER GREAT LAKES ON TUESDAY AFTERNOON AND SETTLE
OVER THE AREA ON WEDNESDAY.

LSZ162-191015-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1003 PM EDT FRI APR 18 2014 /903 PM CDT FRI APR 18 2014/

.REST OF TONIGHT...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW AFTER MIDNIGHT. WAVES CALM
TO 2 FEET BUILDING TO 2 TO 4 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. PATCHY FOG. RAIN OR
FREEZING RAIN THROUGH MID MORNING...TRANSITIONING TO ALL RAIN BY
LATE MORNING...THEN DIMINISHING LATE. WAVES BUILDING TO 3 TO 5
FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. AREAS OF FOG. A CHANCE OF RAIN. WAVES SUBSIDING
TO CALM TO 2 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. WAVES CALM TO
2 FEET.
.SUNDAY NIGHT...SOUTH WINDS LESS THAN 10 KNOTS BACKING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST BY MID
AFTERNOON. 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 NORTHEAST 5 TO
15 KNOTS. 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.

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

$$

LSZ263-264-191015-
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-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1003 PM EDT FRI APR 18 2014

.REST OF TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW THROUGH LATE
MORNING...THEN RAIN. PATCHY FOG BY MID AFTERNOON. WAVES BUILDING TO
3 TO 6 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. AREAS OF FOG. A CHANCE OF RAIN. WAVES SUBSIDING
TO CALM TO 2 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH EARLY
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS LESS THAN 10 KNOTS BACKING
SOUTHEAST AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING WEST BY MID
AFTERNOON. 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 NORTH 5 TO
15 KNOTS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO 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.

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

$$

LSZ265-191015-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1003 PM EDT FRI APR 18 2014

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

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

$$

LSZ266-267-191015-
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-
1003 PM EDT FRI APR 18 2014

.REST OF TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING EAST
AFTER MIDNIGHT. PATCHY FOG LATE.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW IN THE AFTERNOON. RAIN
BY MID AFTERNOON.
.SATURDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS VEERING SOUTH
AFTER MIDNIGHT. AREAS OF FOG. RAIN THROUGH MIDNIGHT. A CHANCE OF
RAIN AFTER MIDNIGHT.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST BY MID
AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A SLIGHT CHANCE OF
RAIN THROUGH EARLY AFTERNOON.
.SUNDAY NIGHT...NORTHWEST WINDS LESS THAN 10 KNOTS VEERING NORTH
AFTER MIDNIGHT.
.MONDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON.
.MONDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS VEERING EAST.

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

$$
LSZ261-191015-
MAFOR 1903/
SUPERIOR WEST 11210 11220 11230 11237 12346 11326 11323. SLIGHT
CHANCE OF SNOW OVERNIGHT. CHANCE OF SNOW IN THE MORNING. PATCHY FOG
SATURDAY AFTERNOON. AREAS OF FOG SATURDAY EVENING. CHANCE OF RAIN
SATURDAY EVENING. WAVES 1 TO 4 FEET. WAVE HEIGHT FORECASTS ARE FOR
ICE FREE AREAS.

SUPERIOR NORTH CENTRAL 11400 11310 11320 11330 12347 12346. PATCHY
FOG OVERNIGHT. CHANCE OF SNOW IN THE MORNING. AREAS OF FOG SATURDAY
EVENING. WAVES 1 FOOT OR LESS OVERNIGHT. WAVES BUILDING TO 3 TO 5
FEET SATURDAY AND SATURDAY EVENING. WAVE HEIGHT FORECASTS ARE FOR
ICE FREE AREAS.

SUPERIOR SOUTH CENTRAL 11200 12310 11320 11340 11347 12346. PATCHY
FOG OVERNIGHT AND IN THE MORNING. CHANCE OF SNOW IN THE MORNING.
AREAS OF FOG SATURDAY EVENING. WAVES OMITTED FOR MOSTLY ICE COVERED
AREAS.

SUPERIOR EAST 11810 11100 11210 11310 11320 11330 12346. PATCHY FOG
IN THE MORNING. CHANCE OF SNOW SATURDAY AFTERNOON. RAIN AND SLIGHT
CHANCE OF SNOW SATURDAY EVENING. WAVES OMITTED FOR MOSTLY ICE COVERED
AREAS.

$$

KLUBER





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