Great Lakes Forecast
Issued by NWS

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FZUS63 KMQT 181944
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
344 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.

LSZ162-190345-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
344 PM EDT FRI APR 18 2014 /244 PM CDT FRI APR 18 2014/

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
AFTER MIDNIGHT. FREEZING RAIN LIKELY...POSSIBLY MIXED WITH SNOW
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. PATCHY FOG. RAIN...
POSSIBLY MIXED WITH SNOW THROUGH EARLY AFTERNOON. A CHANCE OF
RAIN BY MID AFTERNOON. 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.

$$

LSZ263-264-190345-
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-
344 PM EDT FRI APR 18 2014

.LATE THIS AFTERNOON...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. A SLIGHT CHANCE OF SNOW 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 EARLY
AFTERNOON. RAIN LIKELY. SNOW LIKELY BY MID AFTERNOON. 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.

$$

LSZ265-190345-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
344 PM EDT FRI APR 18 2014

.LATE THIS AFTERNOON...NORTHWEST WINDS 5 TO 15 KNOTS.
.TONIGHT...SOUTHEAST WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW THROUGH EARLY
AFTERNOON. RAIN WITH SNOW BY MID AFTERNOON.
.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.

$$

LSZ266-267-190345-
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-
344 PM EDT FRI APR 18 2014

.LATE THIS AFTERNOON...NORTHWEST WINDS 10 TO 20 KNOTS.
.TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW. 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.

$$

LSZ261-190345-
MAFOR 1821/
SUPERIOR WEST 11400 11310 11210 11220 11230 11237 11336 11330.
SLIGHT CHANCE OF SNOW OVERNIGHT. PATCHY FOG IN THE AFTERNOON. CHANCE
OF SNOW IN THE MORNING. RAIN SATURDAY. WAVES 1 TO 4 FEET.

SUPERIOR NORTH CENTRAL
11710 11600 11400 11300 11310 11320 11337 11347. PATCHY FOG IN THE
MORNING. CHANCE OF SNOW IN THE MORNING. WAVES 2 FEET OR LESS
TONIGHT. WAVES 1 TO 5 FEET SATURDAY.

SUPERIOR SOUTH CENTRAL 11710 11800 11500 11300 11310 11320 11330
11347. PATCHY FOG OVERNIGHT AND IN THE MORNING. CHANCE OF SNOW
SATURDAY. NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR EAST 11720 11710 11810 11100 11200 11310 12320. PATCHY FOG
IN THE MORNING. CHANCE OF SNOW SATURDAY AFTERNOON. NOTE...WAVES
OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

TITUS






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