Great Lakes Forecast
Issued by NWS

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FZUS63 KMQT 131458
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
958 AM EST FRI JAN 13 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...30.7 INCH HIGH PRESSURE WILL SETTLE OVER THE UPPER GREAT
LAKES THROUGH TONIGHT. THE RIDGE WILL REACH THE LOWER GREAT LAKES ON
SATURDAY AS A 30.4 INCH TROUGH OVER NORTHERN ONTARIO BRUSHES LAKE
SUPERIOR. A 30.5 INCH RIDGE WILL THEN BUILD ACROSS THE UPPER
MISSISSIPPI RIVER VALLEY SATURDAY AND GREAT LAKES ON SUNDAY BEFORE
WEAKENING ON MONDAY. 29.8 INCH LOW PRESSURE WILL THEN TRACK
NORTHEASTWARD INTO THE UPPER GREAT LAKES REGION ON TUESDAY.

LSZ162-132300-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
958 AM EST FRI JAN 13 2017 /858 AM CST FRI JAN 13 2017/

.REST OF TODAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST IN
THE AFTERNOON. ISOLATED SNOW SHOWERS LATE IN THE MORNING. WAVES CALM
TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY AFTER MIDNIGHT.
ISOLATED SNOW SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO 5 TO
8 FEET.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES 2 TO 4 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. A CHANCE
OF RAIN...FREEZING RAIN AND SNOW. WAVES BUILDING TO 2 TO 4 FEET.

$$

LSZ263-132300-
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-
958 AM EST FRI JAN 13 2017

.REST OF TODAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST IN
THE AFTERNOON. SCATTERED SNOW SHOWERS. WAVES 2 TO 4 FEET
SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS. HEAVY FREEZING
SPRAY AFTER MIDNIGHT. WAVES BUILDING TO 7 TO 10 FEET.
.SATURDAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING. A
SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING. WAVES SUBSIDING TO
2 TO 4 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO
3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. WAVES
BUILDING TO 2 TO 4 FEET.

$$

LSZ264-132300-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
958 AM EST FRI JAN 13 2017

.REST OF TODAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST IN
THE AFTERNOON. ISOLATED SNOW SHOWERS. WAVES 3 TO 5 FEET SUBSIDING
TO CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS. FREEZING SPRAY
AFTER MIDNIGHT. WAVES BUILDING TO 7 TO 10 FEET.
.SATURDAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS IN THE
MORNING. FREEZING SPRAY. WAVES SUBSIDING TO 2 TO 4 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 20 TO 30 KNOTS. WAVES 3 TO
5 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING WEST. WAVES
BUILDING TO 2 TO 4 FEET.

$$

LSZ265-132300-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
958 AM EST FRI JAN 13 2017

.REST OF TODAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST IN
THE AFTERNOON. SCATTERED SNOW SHOWERS LATE IN THE MORNING. WAVES 3
TO 5 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET.
.SATURDAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS IN THE
AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET...THEN SUBSIDING TO 2 TO
4 FEET.
.SATURDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO
1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH. WAVES
CALM TO 2 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE OF
FREEZING RAIN. A CHANCE OF RAIN...POSSIBLY MIXED WITH SNOW. WAVES
CALM TO 2 FEET.

$$

LSZ266-132300-
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-
958 AM EST FRI JAN 13 2017

...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 11 AM EST THIS
MORNING...

.REST OF TODAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY LATE IN THE MORNING.
SCATTERED SNOW SHOWERS. WAVES 4 TO 7 FEET SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS. HEAVY FREEZING
SPRAY AFTER MIDNIGHT. WAVES BUILDING TO 6 TO 9 FEET.
.SATURDAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 7 TO 10 FEET...THEN SUBSIDING TO 3 TO
6 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO
3 TO 5 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH. WAVES
SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE OF
FREEZING RAIN. A CHANCE OF RAIN. WAVES BUILDING TO 1 TO 3 FEET.

$$

LSZ267-132300-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
958 AM EST FRI JAN 13 2017

...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 11 AM EST THIS
MORNING...

.REST OF TODAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY LATE THIS MORNING.
NUMEROUS SNOW SHOWERS LATE IN THE MORNING...THEN SCATTERED SNOW
SHOWERS. WAVES 5 TO 8 FEET SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS. HEAVY FREEZING
SPRAY AFTER MIDNIGHT. WAVES BUILDING TO 4 TO 7 FEET.
.SATURDAY...WEST WINDS 20 TO 30 KNOTS. FREEZING SPRAY IN THE
MORNING. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 6 TO
9 FEET...THEN SUBSIDING TO 4 TO 7 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO
2 TO 4 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH. WAVES
SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE OF
FREEZING RAIN AND SLEET. A CHANCE OF RAIN...POSSIBLY MIXED WITH
SNOW. WAVES CALM TO 2 FEET.

$$
LSZ261-132300-
MAFOR 1316/
SUPERIOR WEST 11610 11510 11520 12530 11542 11642 11630. WAVES 1
TO 2 FEET THIS AFTERNOON BUILDING TO 5 TO 8 FEET TONIGHT AND
SATURDAY MORNING.

SUPERIOR NORTH CENTRAL 11710 11600 11610 12530 11540 12640.
FREEZING SPRAY LATE TONIGHT AND SATURDAY MORNING. SCATTERED SNOW
SHOWERS LATE TONIGHT AND SATURDAY MORNING. WAVES 1 TO 4 FEET THIS
AFTERNOON BUILDING TO 6 TO 10 FEET TONIGHT AND SATURDAY MORNING.

SUPERIOR SOUTH CENTRAL 11710 11610 12510 11520 11530 11540 11640.
SCATTERED SNOW SHOWERS LATE THIS MORNING. WAVES 3 TO 5 FEET
SUBSIDING TO 1 TO 3 FEET THIS AFTERNOON. WAVES BUILDING TO 3 TO 7
FEET TONIGHT AND SATURDAY MORNING.

SUPERIOR EAST 11712 11710 11610 11520 11530 11532 11540 11640.
SCATTERED SNOW SHOWERS THIS AFTERNOON. FREEZING SPRAY LATE TONIGHT
AND SATURDAY MORNING. CHANCE OF SNOW SHOWERS SATURDAY MORNING. WAVES
2 TO 6 FEET THIS AFTERNOON AND TONIGHT BUILDING TO 5 TO 9 FEET
SATURDAY MORNING.

$$

KLUBER



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