Great Lakes Forecast
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000
FZUS63 KMQT 152024
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
324 PM EST MON DEC 15 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.8 INCH LOW PRESSURE SYSTEM OVER LAKE SUPERIOR WILL
MOVE TOWARD JAMES BAY AND WEAKEN TO 30.0 INCHES TONIGHT. AT THE SAME
TIME...A 29.6 INCH LOW PRESSURE SYSTEM OVER THE MID MISSISSIPPI
VALLEY WILL MOVE NORTHEAST...CROSSING LOWER MICHIGAN TUESDAY AND
PUSHING INTO SOUTHERN QUEBEC ON WEDNESDAY. A LOW PRESSURE TROUGH
AVERAGING 30.2 INCHES EXTENDING WEST FROM THIS LOW WILL REMAIN OVER
LAKE SUPERIOR THROUGH WEDNESDAY WHILE A BROAD 30.4 INCH HIGH
PRESSURE RIDGE SLIDES ACROSS THE PLAINS STATES. EXPECT THIS HIGH TO
DRIFT SLOWLY EASTWARD INTO THE GREAT LAKES THURSDAY THROUGH SATURDAY
AS IT WEAKENS TO 30.2 INCHES.

LSZ162-160430-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
324 PM EST MON DEC 15 2014 /224 PM CST MON DEC 15 2014/

.LATE THIS AFTERNOON...NORTH WINDS 10 TO 20 KNOTS. PATCHY DENSE
FOG. RAIN LIKELY...DRIZZLE LIKELY AND SNOW. WAVES CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 15 TO 25 KNOTS. PATCHY DENSE FOG IN THE
EVENING. A SLIGHT CHANCE OF RAIN IN THE EVENING. SNOW LIKELY.
WAVES BUILDING TO 4 TO 7 FEET.
.TUESDAY...NORTH WINDS 15 TO 25 KNOTS. FREEZING SPRAY IN THE
MORNING. A SLIGHT CHANCE OF SNOW. WAVES SUBSIDING TO 3 TO 6 FEET.
.TUESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS. FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 4 TO 7 FEET...THEN
SUBSIDING TO 3 TO 6 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.THURSDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST
10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ263-160430-
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-
324 PM EST MON DEC 15 2014

.LATE THIS AFTERNOON...NORTH WINDS 5 TO 15 KNOTS. PATCHY DENSE
FOG. RAIN LIKELY...DRIZZLE LIKELY AND SNOW. WAVES CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. PATCHY DENSE FOG IN THE EVENING. A
SLIGHT CHANCE OF RAIN IN THE EVENING. SNOW LIKELY. WAVES BUILDING
TO 5 TO 8 FEET.
.TUESDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. FREEZING SPRAY. SNOW LIKELY. WAVES
BUILDING TO 6 TO 9 FEET.
.TUESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS LIKELY.
WAVES SUBSIDING TO 5 TO 8 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 3 TO 5 FEET.
.THURSDAY...NORTH WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST. WAVES CALM
TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. WAVES
BUILDING TO 1 TO 3 FEET.

$$

LSZ264-160430-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
324 PM EST MON DEC 15 2014

.LATE THIS AFTERNOON...NORTHWEST WINDS 10 TO 20 KNOTS. PATCHY
DENSE FOG. RAIN LIKELY AND A CHANCE OF DRIZZLE. WAVES 1 TO 3 FEET
SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30 KNOTS
AFTER MIDNIGHT. A FEW GALE FORCE GUSTS TO 35 KNOTS LATE. PATCHY
DENSE FOG IN THE EVENING. RAIN LIKELY...POSSIBLY MIXED WITH SNOW IN
THE EVENING...THEN SNOW AFTER MIDNIGHT. WAVES BUILDING TO 6 TO 9
FEET.
.TUESDAY...NORTH WINDS 20 TO 30 KNOTS. A FEW GALE FORCE GUSTS TO 35
KNOTS. FREEZING SPRAY. SNOW. WAVES BUILDING TO 6 TO 10 FEET.
.TUESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS. FREEZING SPRAY. SNOW
SHOWERS. WAVES SUBSIDING TO 5 TO 8 FEET.
.WEDNESDAY...NORTH WINDS 20 TO 30 KNOTS. FREEZING SPRAY. SNOW
SHOWERS IN THE MORNING. A CHANCE OF SNOW SHOWERS IN THE
AFTERNOON. WAVES SUBSIDING TO 4 TO 7 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. FREEZING SPRAY IN THE EVENING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING
TO 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. WAVES
BUILDING TO 2 TO 4 FEET.

$$

LSZ265-160430-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
324 PM EST MON DEC 15 2014

.LATE THIS AFTERNOON...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY
DENSE FOG. RAIN LIKELY. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO
2 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS AFTER MIDNIGHT. PATCHY FOG IN THE EVENING. RAIN LIKELY...
POSSIBLY MIXED WITH SNOW IN THE EVENING...THEN SNOW...POSSIBLY
MIXED WITH RAIN AFTER MIDNIGHT. WAVES BUILDING TO 6 TO 9 FEET.
.TUESDAY...NORTH WINDS 20 TO 30 KNOTS. SNOW. WAVES BUILDING TO
6 TO 10 FEET.
.TUESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO 5 TO
8 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS. SNOW SHOWERS. WAVES 5 TO
8 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 3 TO 6 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. WAVES
BUILDING TO 1 TO 3 FEET.

$$

LSZ266-160430-
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-
324 PM EST MON DEC 15 2014

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS. PATCHY DENSE
FOG. A CHANCE OF RAIN AND DRIZZLE. WAVES 3 TO 5 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS AFTER MIDNIGHT. PATCHY FOG IN THE EVENING. RAIN. SNOW
AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO
6 TO 9 FEET.
.TUESDAY...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS IN THE AFTERNOON. RAIN IN THE MORNING. SNOW. WAVES
BUILDING TO 6 TO 10 FEET.
.TUESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS. SNOW SHOWERS. WAVES
SUBSIDING TO 5 TO 8 FEET.
.WEDNESDAY...NORTH WINDS 20 TO 30 KNOTS. FREEZING SPRAY. SNOW
SHOWERS. WAVES 5 TO 8 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS. FREEZING SPRAY IN
THE EVENING. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO
6 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.THURSDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. WAVES
BUILDING TO 2 TO 4 FEET.

$$

LSZ267-160430-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
324 PM EST MON DEC 15 2014

.LATE THIS AFTERNOON...SOUTH WINDS 10 TO 20 KNOTS. AREAS OF DENSE
FOG. A CHANCE OF RAIN AND DRIZZLE. WAVES 3 TO 5 FEET SUBSIDING TO
2 TO 4 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. AREAS OF FOG. RAIN. WAVES SUBSIDING TO
CALM TO 2 FEET.
.TUESDAY...NORTH WINDS 10 TO 20 KNOTS. PATCHY FOG IN THE MORNING.
RAIN AND SNOW. WAVES BUILDING TO 5 TO 8 FEET.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO 3 TO
6 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON. SNOW SHOWERS. WAVES 3 TO 6 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO 5 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.THURSDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. WAVES
BUILDING TO 1 TO 3 FEET.

$$

LSZ261-160430-
MAFOR 1522/
SUPERIOR WEST 11827 11837 12847 13840 11830. PATCHY DENSE FOG THIS
EVENING. FREEZING SPRAY IN THE MORNING. A CHANCE OF SNOW TUESDAY.
WAVES 1 TO 2 FEET BUILDING TO 5 TO 7 FEET TONIGHT. WAVES 5 TO 7 FEET
TUESDAY.

SUPERIOR NORTH CENTRAL 11726 11837 15847. AREAS OF DENSE FOG THIS
EVENING. CHANCE OF RAIN LATE THIS AFTERNOON. FREEZING SPRAY.  WAVES
1 TO 3 FEET BUILDING TO 5 TO 8 FEET TONIGHT. WAVES 7 TO 10 FEET
TUESDAY.

SUPERIOR SOUTH CENTRAL 11516 11626 11836 11837 14847. PATCHY DENSE
FOG THIS EVENING. CHANCE OF RAIN AND DRIZZLE LATE THIS AFTERNOON.
WAVES 1 TO 3 FEET BUILDING TO 5 TO 7 FEET TONIGHT. WAVES 7 TO 10
FEET TUESDAY.

SUPERIOR EAST 11410 12516 11616 11726 11827 11837 11137. PATCHY
DENSE FOG. CHANCE OF RAIN AND DRIZZLE LATE THIS AFTERNOON. PATCHY
FOG IN THE MORNING. WAVES 1 TO 5 FEET TONIGHT. WAVES 4 TO 8 FEET
TUESDAY.

$$

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