Great Lakes Forecast
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000
FZUS63 KMQT 290904
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
404 AM EST MON DEC 29 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.4 INCH RIDGE ACROSS THE UPPER GREAT LAKES WILL
BUILD TO 30.6 INCHES TUESDAY...AS VERY STRONG 31.3 INCH HIGH
PRESSURE OVER SOUTHWEST CANADA SINKS ACROSS MONTANA AT 31.1 INCHES.
LOOK FOR THE RIDGE TO SINK SOUTH OF LAKE SUPERIOR TUESDAY NIGHT. THIS
WILL BE AS 29.2 INCH LOW PRESSURE ACROSS HUDSON BAY SWINGS A 30.2
INCH TROUGH ACROSS LAKE SUPERIOR. THE HUDSON BAY LOW WILL DEEPEN TO
29.1 INCHES WEDNESDAY NIGHT AS IT PUSHES A 29.7 INCH REINFORCING
TROUGH ACROSS LAKE SUPERIOR. THE LOW WITH THEN SHIFT ACROSS NORTHERN
QUEBEC AT 29.4 INCHES THURSDAY NIGHT. HIGH PRESSURE OF 30.5 INCHES
WILL BUILD SOUTHEASTWARD ACROSS SASKATCHEWAN AND SOUTHERN MANITOBA ON
THURSDAY AND FRIDAY...AS A 30.1 INCH RIDGE TRACKS ACROSS THE UPPER
GREAT LAKES.

LSZ162-291715-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
404 AM EST MON DEC 29 2014 /304 AM CST MON DEC 29 2014/

.EARLY THIS MORNING...NORTHWEST WINDS 10 TO 20 KNOTS. SCATTERED
SNOW SHOWERS. WAVES 2 TO 4 FEET.
.TODAY...NORTHWEST WINDS 10 TO 20 KNOTS. SCATTERED SNOW SHOWERS.
WAVES 2 TO 4 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. ISOLATED SNOW SHOWERS.
WAVES BUILDING TO 3 TO 5 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
3 TO 6 FEET.
.TUESDAY NIGHT...WEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 6 TO 9 FEET.
.WEDNESDAY...WEST GALES TO 35 KNOTS. HEAVY FREEZING SPRAY. WAVES
BUILDING TO 9 TO 12 FEET...THEN SUBSIDING TO 7 TO 10 FEET.
.WEDNESDAY NIGHT...WEST WINDS 20 TO 30 KNOTS. FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET.
.THURSDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. WAVES BUILDING TO 1 TO 3 FEET.

$$

LSZ263-291715-
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-
404 AM EST MON DEC 29 2014

.EARLY THIS MORNING...NORTHWEST WINDS 15 TO 25 KNOTS. SCATTERED
SNOW SHOWERS. WAVES 3 TO 5 FEET.
.TODAY...NORTHWEST WINDS 15 TO 25 KNOTS. SCATTERED SNOW SHOWERS.
WAVES 3 TO 5 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. SCATTERED SNOW
SHOWERS. WAVES 3 TO 5 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS. SNOW SHOWERS LIKELY.
HEAVY FREEZING SPRAY IN THE AFTERNOON. WAVES 3 TO 6 FEET.
.TUESDAY NIGHT...WEST WINDS 20 TO 30 KNOTS. HEAVY FREEZING SPRAY.
A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 7 TO 10 FEET.
.WEDNESDAY...WEST GALES TO 40 KNOTS. HEAVY FREEZING SPRAY. WAVES
BUILDING TO 11 TO 15 FEET...THEN SUBSIDING TO 10 TO 14 FEET.
.WEDNESDAY NIGHT...WEST GALES TO 35 KNOTS. FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 7 TO 10 FEET.
.THURSDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS. FREEZING SPRAY. WAVES SUBSIDING TO 2 TO 4 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 3 TO 5 FEET.

$$

LSZ264-291715-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
404 AM EST MON DEC 29 2014

.EARLY THIS MORNING...NORTHWEST WINDS 15 TO 25 KNOTS. FREEZING
SPRAY. NUMEROUS SNOW SHOWERS. WAVES 4 TO 7 FEET SUBSIDING TO 3 TO
6 FEET.
.TODAY...NORTHWEST WINDS 15 TO 25 KNOTS. FREEZING SPRAY IN THE
MORNING. NUMEROUS SNOW SHOWERS...THEN SCATTERED SNOW SHOWERS IN THE
AFTERNOON. WAVES 3 TO 5 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. HEAVY FREEZING SPRAY.
SCATTERED SNOW SHOWERS IN THE EVENING. NUMEROUS SNOW SHOWERS
AFTER MIDNIGHT. WAVES 3 TO 6 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS. HEAVY FREEZING SPRAY.
SNOW SHOWERS LIKELY. WAVES 3 TO 6 FEET.
.TUESDAY NIGHT...WEST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS IN THE EVENING. SNOW SHOWERS LIKELY AFTER MIDNIGHT. WAVES
BUILDING TO 7 TO 10 FEET.
.WEDNESDAY...WEST GALES TO 40 KNOTS. HEAVY FREEZING SPRAY. SNOW
SHOWERS LIKELY. WAVES BUILDING TO 11 TO 15 FEET...THEN SUBSIDING
TO 10 TO 14 FEET.
.WEDNESDAY NIGHT...WEST GALES TO 35 KNOTS. FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 8 TO 11 FEET.
.THURSDAY...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 15 TO
25 KNOTS. FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A CHANCE
OF SNOW SHOWERS...THEN SNOW SHOWERS LIKELY. WAVES SUBSIDING TO
1 TO 3 FEET...THEN BUILDING TO 3 TO 5 FEET.

$$

LSZ265-291715-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
404 AM EST MON DEC 29 2014

.EARLY THIS MORNING...NORTHWEST WINDS 15 TO 25 KNOTS. FREEZING
SPRAY. NUMEROUS SNOW SHOWERS. WAVES 3 TO 6 FEET.
.TODAY...NORTHWEST WINDS 15 TO 25 KNOTS. FREEZING SPRAY. NUMEROUS
SNOW SHOWERS. WAVES 3 TO 6 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. FREEZING SPRAY.
SCATTERED SNOW SHOWERS IN THE EVENING. NUMEROUS SNOW SHOWERS
AFTER MIDNIGHT. WAVES 3 TO 6 FEET.
.TUESDAY...NORTHWEST WINDS 20 TO 30 KNOTS. FREEZING SPRAY. SNOW
SHOWERS. WAVES BUILDING TO 4 TO 7 FEET.
.TUESDAY NIGHT...WEST GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. SNOW SHOWERS
LIKELY. WAVES 4 TO 8 FEET.
.WEDNESDAY...SOUTHWEST GALES TO 35 KNOTS VEERING WEST IN THE
AFTERNOON. HEAVY FREEZING SPRAY. SNOW SHOWERS LIKELY. WAVES
BUILDING TO 6 TO 9 FEET.
.WEDNESDAY NIGHT...WEST GALES TO 35 KNOTS. FREEZING SPRAY. SNOW
SHOWERS. WAVES SUBSIDING TO 5 TO 8 FEET.
.THURSDAY...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 15 TO
25 KNOTS. FREEZING SPRAY. SNOW SHOWERS LIKELY. WAVES BUILDING TO
6 TO 9 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS.
A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET...
THEN BUILDING TO 2 TO 4 FEET.

$$

LSZ266-291715-
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-
404 AM EST MON DEC 29 2014

.EARLY THIS MORNING...NORTHWEST WINDS 20 TO 30 KNOTS. FREEZING
SPRAY. SNOW SHOWERS. WAVES 5 TO 8 FEET.
.TODAY...NORTHWEST WINDS 20 TO 30 KNOTS. FREEZING SPRAY. SNOW
SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET.
.TONIGHT...NORTHWEST WINDS 20 TO 30 KNOTS. FREEZING SPRAY.
NUMEROUS SNOW SHOWERS. WAVES 4 TO 7 FEET.
.TUESDAY...NORTHWEST WINDS 20 TO 30 KNOTS. FREEZING SPRAY. SNOW
SHOWERS. WAVES BUILDING TO 5 TO 8 FEET.
.TUESDAY NIGHT...WEST GALES TO 35 KNOTS. FREEZING SPRAY. SNOW
SHOWERS. WAVES BUILDING TO 7 TO 10 FEET.
.WEDNESDAY...WEST GALES TO 40 KNOTS. HEAVY FREEZING SPRAY. SNOW
SHOWERS. WAVES BUILDING TO 11 TO 15 FEET.
.WEDNESDAY NIGHT...WEST GALES TO 40 KNOTS. FREEZING SPRAY. SNOW
SHOWERS. WAVES SUBSIDING TO 10 TO 14 FEET.
.THURSDAY...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 15 TO
25 KNOTS. FREEZING SPRAY. SNOW SHOWERS. WAVES SUBSIDING TO 3 TO
5 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS.
A CHANCE OF SNOW SHOWERS...THEN SNOW SHOWERS LIKELY. WAVES
SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 3 TO 5 FEET.

$$

LSZ267-291715-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
404 AM EST MON DEC 29 2014

.EARLY THIS MORNING...NORTHWEST WINDS 15 TO 25 KNOTS. FREEZING
SPRAY. SNOW SHOWERS. WAVES 6 TO 9 FEET.
.TODAY...NORTHWEST WINDS 20 TO 30 KNOTS. FREEZING SPRAY. SNOW
SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. FREEZING SPRAY. SNOW
SHOWERS. WAVES SUBSIDING TO 3 TO 6 FEET...THEN BUILDING TO 4 TO
7 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS. FREEZING SPRAY. SNOW
SHOWERS. WAVES BUILDING TO 5 TO 8 FEET.
.TUESDAY NIGHT...WEST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS. WAVES
BUILDING TO 7 TO 10 FEET.
.WEDNESDAY...SOUTHWEST GALES TO 40 KNOTS. FREEZING SPRAY. SNOW
SHOWERS LIKELY. WAVES BUILDING TO 11 TO 15 FEET.
.WEDNESDAY NIGHT...WEST GALES TO 40 KNOTS. FREEZING SPRAY. SNOW
SHOWERS. WAVES BUILDING TO 12 TO 17 FEET...THEN SUBSIDING TO
10 TO 14 FEET.
.THURSDAY...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 15 TO
25 KNOTS. FREEZING SPRAY. SNOW SHOWERS. WAVES SUBSIDING TO 3 TO
5 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS.
SNOW SHOWERS LIKELY. WAVES SUBSIDING TO 2 TO 4 FEET...THEN
BUILDING TO 3 TO 5 FEET.

$$

LSZ261-291715-
MAFOR 2910/
SUPERIOR WEST 14720 14730. ISOLATED SNOW SHOWERS. WAVES 2 TO 5 FEET.

SUPERIOR NORTH CENTRAL 12737 14730 11730 11737. FREEZING SPRAY THIS
MORNING...AND AGAIN TONIGHT. SCATTERED SNOW SHOWERS THIS AFTERNOON
THROUGH THIS EVENING. WAVES 3 TO 6 FEET.

SUPERIOR SOUTH CENTRAL 16737. FREEZING SPRAY. WAVES 4 TO 7 FEET.

SUPERIOR EAST 16737. FREEZING SPRAY. WAVES 5 TO 10 FEET.

$$

KF




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