Great Lakes Forecast
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FZUS63 KMQT 040854
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
354 AM EST SUN DEC 4 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.3 INCH HIGH PRESSURE RIDGE EXTENDING FROM ONTARIO TO
THE OHIO VALLEY WILL MOVE EASTWARD TO NEW ENGLAND BY THIS EVENING. A
29.7 INCH TROUGH OVER THE NORTHERN PLAINS THIS MORNING WILL MOVE
EAST OF LAKE SUPERIOR BY MONDAY MORNING. 30.2 INCH HIGH PRESSURE
OVER THE OHIO VALLEY MONDAY MORNING WILL SLOWLY MOVE EAST. A 29.6
INCH LOW PRESSURE TROUGH WILL DEVELOP IN THE NORTHERN PLAINS MONDAY
MORNING AND DEVELOP A 29.5 INCH LOW PRESSURE SYSTEM OVER LAKE
WINNIPEG TUESDAY MORNING. THIS LOW WILL MOVE SLOWLY EAST TO JAMES
BAY BY WEDNESDAY EVENING AND WEAKEN TO 29.7 INCHES. A 28.9 INCH LOW
PRESSURE SYSTEM WILL DEVELOP OVER THE CANADIAN MARITIMES FRIDAY
EVENING WHILE 30.6 INCH HIGH PRESSURE MOVES INTO THE NORTHERN AND
CENTRAL PLAINS.

LSZ162-041700-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
354 AM EST SUN DEC 4 2016 /254 AM CST SUN DEC 4 2016/

.EARLY THIS MORNING...SOUTH WINDS 10 TO 20 KNOTS. SCATTERED SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW IN THE
MORNING...THEN SNOW LIKELY...POSSIBLY MIXED WITH RAIN IN THE
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.TONIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST AFTER
MIDNIGHT. A CHANCE OF SNOW...POSSIBLY MIXED WITH RAIN IN THE
EVENING. WAVES BUILDING TO 3 TO 5 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH IN THE
AFTERNOON. A SLIGHT CHANCE OF RAIN AND SNOW SHOWERS IN THE
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST
20 TO 30 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN AND SNOW SHOWERS.
WAVES BUILDING TO 3 TO 5 FEET.
.TUESDAY...SOUTHWEST WINDS 20 TO 30 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 3 TO 6 FEET.
.TUESDAY NIGHT...WEST WINDS 20 TO 30 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO
6 FEET.
.WEDNESDAY...WEST WINDS 20 TO 30 KNOTS VEERING NORTHWEST. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.THURSDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 3 TO
6 FEET.

$$

LSZ263-041700-
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-
354 AM EST SUN DEC 4 2016

.EARLY THIS MORNING...SOUTH WINDS 10 TO 20 KNOTS. ISOLATED SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW IN THE MORNING...THEN SNOW
LIKELY...POSSIBLY MIXED WITH RAIN IN THE AFTERNOON. WAVES
BUILDING TO 1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS VEERING WEST AFTER
MIDNIGHT. A CHANCE OF SNOW...POSSIBLY MIXED WITH RAIN. WAVES
BUILDING TO 3 TO 6 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH IN THE
AFTERNOON. A SLIGHT CHANCE OF RAIN AND SNOW SHOWERS IN THE
MORNING. WAVES SUBSIDING TO 1 TO 3 FEET.
.MONDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST
20 TO 30 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. A CHANCE
OF SNOW SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 6 FEET.
.TUESDAY...SOUTHWEST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 4 TO 7 FEET.
.TUESDAY NIGHT...WEST GALES TO 35 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 4 TO 8 FEET.
.WEDNESDAY...WEST WINDS 20 TO 30 KNOTS VEERING NORTHWEST. SNOW
SHOWERS LIKELY. WAVES SUBSIDING TO 3 TO 6 FEET.
.THURSDAY...NORTHWEST WINDS 20 TO 30 KNOTS. SNOW SHOWERS LIKELY.
WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO 6 FEET.

$$

LSZ264-041700-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
354 AM EST SUN DEC 4 2016

.EARLY THIS MORNING...SOUTH WINDS 10 TO 20 KNOTS. ISOLATED SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...SOUTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW IN THE
MORNING...THEN SNOW LIKELY...POSSIBLY MIXED WITH RAIN IN THE
AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. SNOW LIKELY IN THE EVENING. A SLIGHT CHANCE OF RAIN. A
CHANCE OF SNOW AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET.
.MONDAY...WEST WINDS 15 TO 25 KNOTS BECOMING SOUTH 10 TO 20 KNOTS
IN THE AFTERNOON. A SLIGHT CHANCE OF RAIN AND SNOW SHOWERS IN THE
MORNING. WAVES SUBSIDING TO 1 TO 3 FEET.
.MONDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS...POSSIBLY
MIXED WITH SNOW. WAVES BUILDING TO 3 TO 6 FEET.
.TUESDAY...SOUTHWEST WINDS 20 TO 30 KNOTS. A CHANCE OF RAIN
SHOWERS IN THE MORNING. A CHANCE OF SNOW SHOWERS. WAVES 3 TO
6 FEET.
.TUESDAY NIGHT...WEST GALES TO 35 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 5 TO 8 FEET.
.WEDNESDAY...WEST WINDS 20 TO 30 KNOTS VEERING NORTHWEST. SNOW
SHOWERS LIKELY...THEN A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING
TO 3 TO 6 FEET.
.THURSDAY...NORTHWEST WINDS 20 TO 30 KNOTS VEERING NORTH. SNOW
SHOWERS LIKELY. WAVES BUILDING TO 5 TO 8 FEET.

$$

LSZ265-041700-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
354 AM EST SUN DEC 4 2016

.EARLY THIS MORNING...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.TODAY...SOUTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW IN THE
MORNING...THEN SNOW LIKELY IN THE AFTERNOON. WAVES BUILDING TO
1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS VEERING WEST AFTER
MIDNIGHT. SNOW LIKELY IN THE EVENING...THEN A SLIGHT CHANCE OF
RAIN AND SNOW AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTH IN THE
AFTERNOON. A SLIGHT CHANCE OF RAIN AND SNOW SHOWERS IN THE
MORNING. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF
RAIN SHOWERS. A SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.TUESDAY...SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS...POSSIBLY
MIXED WITH RAIN. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST
GALES TO 35 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 3 TO 5 FEET.
.WEDNESDAY...WEST WINDS 20 TO 30 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO 2 TO 4 FEET...THEN BUILDING TO 3 TO 5 FEET.
.THURSDAY...NORTHWEST GALES TO 35 KNOTS. SNOW SHOWERS. WAVES
BUILDING TO 5 TO 9 FEET.

$$

LSZ266-041700-
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-
354 AM EST SUN DEC 4 2016

.EARLY THIS MORNING...SOUTH WINDS 10 TO 20 KNOTS. ISOLATED SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW IN THE
MORNING. A SLIGHT CHANCE OF RAIN. SNOW LIKELY IN THE AFTERNOON.
WAVES BUILDING TO 2 TO 4 FEET.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW...POSSIBLY MIXED WITH RAIN. WAVES
SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 2 TO 4 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTH IN THE
AFTERNOON. A SLIGHT CHANCE OF RAIN SHOWERS...POSSIBLY MIXED WITH
SNOW IN THE MORNING. WAVES SUBSIDING TO 1 TO 3 FEET.
.MONDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS. A
SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO
3 TO 6 FEET.
.TUESDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST IN THE
AFTERNOON. A CHANCE OF RAIN AND SNOW SHOWERS. WAVES 3 TO 6 FEET.
.TUESDAY NIGHT...WEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS IN THE EVENING.
A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 5 TO 8 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS. A CHANCE OF SNOW SHOWERS...THEN SNOW SHOWERS LIKELY.
WAVES SUBSIDING TO 3 TO 6 FEET.
.THURSDAY...NORTHWEST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS. SNOW SHOWERS LIKELY. WAVES BUILDING TO 7 TO 10 FEET.

$$

LSZ267-041700-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
354 AM EST SUN DEC 4 2016

.EARLY THIS MORNING...SOUTHEAST WINDS 10 TO 20 KNOTS. ISOLATED
SNOW SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...SOUTHEAST WINDS 15 TO 25 KNOTS VEERING SOUTH IN THE
AFTERNOON. A CHANCE OF SNOW IN THE MORNING. A SLIGHT CHANCE OF
RAIN. SNOW IN THE AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. SNOW IN THE EVENING. A SLIGHT CHANCE OF RAIN. A CHANCE
OF SNOW AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTH IN THE
AFTERNOON. A CHANCE OF RAIN SHOWERS...POSSIBLY MIXED WITH SNOW IN
THE MORNING. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO
1 TO 3 FEET.
.MONDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET.
.TUESDAY...SOUTH WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN SHOWERS...
POSSIBLY MIXED WITH SNOW. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN
SHOWERS IN THE EVENING. A CHANCE OF SNOW SHOWERS. WAVES BUILDING
TO 4 TO 7 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS...THEN SNOW SHOWERS LIKELY. WAVES SUBSIDING TO 3 TO
6 FEET.
.THURSDAY...NORTHWEST WINDS 20 TO 30 KNOTS VEERING NORTH. SNOW
SHOWERS LIKELY. WAVES BUILDING TO 6 TO 10 FEET.

$$

LSZ261-041700-
MAFOR 0410/
SUPERIOR WEST 12410 13427 11520 11530 11640. A CHANCE OF SNOW THIS
MORNING AND THIS EVENING. WAVES 1 TO 3 FEET TODAY. WAVES 2 TO 4
FEET BUILDING TO 3 TO 6 FEET TONIGHT.

SUPERIOR NORTH CENTRAL 13420 11427 11437 11427 11520 11530.
A CHANCE OF SNOW TODAY AND OVERNIGHT. WAVES 1 TO 4 FEET.

SUPERIOR SOUTH CENTRAL 13420 13427 11520 11530. A CHANCE OF SNOW
TODAY AND A CHANCE OF SNOW AFTER MIDNIGHT TONIGHT. WAVES 1 TO 4 FEET.

SUPERIOR EAST 11420 11330 11430 14427 11520. A CHANCE OF SNOW LATE
THIS MORNING AND OVERNIGHT. WAVES 1 TO 4 FEET.

$$

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