Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 271503
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1003 AM EST SAT DEC 27 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.8 INCH LOW OVER EASTERN WISCONSIN WILL CROSS THE
MACKINAC STRAITS THIS AFTERNOON BEFORE MOVING INTO SOUTHERN QUEBEC
AND STRENGTHENING TO 29.5 INCHES TONIGHT. BEHIND THE LOW...A 30.1
INCH RIDGE WILL MOVE OVER THE UPPER GREAT LAKES REGION. A WEAK TROUGH
OF 30.0 INCHES WILL QUICKLY MOVE ACROSS LAKE SUPERIOR LATE TONIGHT
AND SUNDAY AHEAD OF A STRONG HIGH OF 31.2 INCHES BUILDING OVER
ALBERTA. THIS HIGH WILL DRIFT SOUTHEAST INTO THE NORTHERN AND CENTRAL
PLAINS BY TUESDAY AND STRETCH A 30.5 INCH RIDGE OVER THE UPPER GREAT
LAKES. ON WEDNESDAY...A 29.3 INCH LOW OVER HUDSON BAY WILL SWEEP A
29.6 INCH TROUGH ACROSS NORTHWEST ONTARIO AND INTO THE UPPER GREAT
LAKES REGION ON WEDNESDAY NIGHT.

LSZ162-272315-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1003 AM EST SAT DEC 27 2014 /903 AM CST SAT DEC 27 2014/

.REST OF TODAY...NORTH WINDS 10 TO 20 KNOTS BACKING WEST IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW. WAVES 2 TO 4 FEET SUBSIDING
TO CALM TO 2 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 3 TO 5 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES 1 TO 3 FEET.
.MONDAY...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES 1 TO 3 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 20 TO
30 KNOTS. WAVES BUILDING TO 3 TO 6 FEET.
.WEDNESDAY...WEST WINDS 20 TO 30 KNOTS. HEAVY FREEZING SPRAY.
WAVES BUILDING TO 6 TO 9 FEET...THEN SUBSIDING TO 3 TO 6 FEET.

$$

LSZ263-272315-
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-
1003 AM EST SAT DEC 27 2014

.REST OF TODAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST IN
THE AFTERNOON. A CHANCE OF SNOW. WAVES 2 TO 4 FEET SUBSIDING TO
1 TO 3 FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES BUILDING TO 4 TO 7 FEET.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET.
.SUNDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS IN THE EVENING...THEN SNOW SHOWERS LIKELY AFTER MIDNIGHT.
WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 2 TO 4 FEET.
.MONDAY...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES 2 TO 4 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 3 TO 5 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 20 TO
30 KNOTS. A CHANCE OF SNOW SHOWERS. HEAVY FREEZING SPRAY. WAVES
BUILDING TO 5 TO 8 FEET.
.WEDNESDAY...WEST GALES TO 35 KNOTS. HEAVY FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 9 TO 12 FEET...THEN
SUBSIDING TO 6 TO 9 FEET.

$$

LSZ264-272315-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1003 AM EST SAT DEC 27 2014

.REST OF TODAY...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW. WAVES 1 TO 3 FEET
BUILDING TO 2 TO 4 FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS. FREEZING SPRAY AFTER
MIDNIGHT. WAVES BUILDING TO 4 TO 7 FEET.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS. FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.SUNDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 3 TO 5 FEET.
.TUESDAY...NORTHWEST WINDS 20 TO 30 KNOTS BACKING WEST. HEAVY
FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 3 TO
6 FEET...THEN SUBSIDING TO 3 TO 5 FEET.
.WEDNESDAY...WEST GALES TO 40 KNOTS. HEAVY FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 9 TO 12 FEET...THEN
SUBSIDING TO 7 TO 10 FEET.

$$

LSZ265-272315-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1003 AM EST SAT DEC 27 2014

.REST OF TODAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING NORTH
15 TO 25 KNOTS IN THE AFTERNOON. SNOW...DIMINISHING TO A CHANCE OF
SNOW IN THE AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES BUILDING TO 3 TO 6 FEET.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. FREEZING SPRAY IN THE AFTERNOON. WAVES SUBSIDING TO 3 TO
5 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS IN THE EVENING...THEN SNOW SHOWERS LIKELY AFTER MIDNIGHT.
WAVES SUBSIDING TO 2 TO 4 FEET.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON. SNOW SHOWERS LIKELY. WAVES 2 TO
4 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS IN THE EVENING...THEN SNOW SHOWERS LIKELY AFTER MIDNIGHT.
WAVES BUILDING TO 3 TO 5 FEET.
.TUESDAY...NORTHWEST WINDS 20 TO 30 KNOTS BACKING WEST. HEAVY
FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 5 TO
8 FEET.
.WEDNESDAY...WEST GALES TO 35 KNOTS. HEAVY FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 4 TO 8 FEET.

$$

LSZ266-272315-
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-
1003 AM EST SAT DEC 27 2014

.REST OF TODAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTH
15 TO 25 KNOTS IN THE AFTERNOON. SNOW...DIMINISHING TO A CHANCE OF
SNOW IN THE AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 3 TO 6 FEET.
.TONIGHT...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST 15 TO
25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES BUILDING
TO 4 TO 8 FEET.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS IN THE AFTERNOON. FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES 4 TO 8 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. FREEZING SPRAY IN THE EVENING.
SNOW SHOWERS LIKELY. WAVES SUBSIDING TO 3 TO 5 FEET.
.MONDAY...NORTHWEST WINDS 15 TO 25 KNOTS. SNOW SHOWERS LIKELY.
WAVES 3 TO 5 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. SNOW SHOWERS
LIKELY. WAVES 3 TO 5 FEET.
.TUESDAY...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST GALES TO
35 KNOTS. FREEZING SPRAY. SNOW SHOWERS LIKELY. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 7 TO 10 FEET.
.WEDNESDAY...WEST GALES TO 40 KNOTS. HEAVY FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. SNOW SHOWERS LIKELY. WAVES BUILDING TO
10 TO 14 FEET...THEN SUBSIDING TO 9 TO 12 FEET.

$$

LSZ267-272315-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1003 AM EST SAT DEC 27 2014

.REST OF TODAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTH
15 TO 25 KNOTS IN THE AFTERNOON. SNOW. WAVES CALM TO 2 FEET
BUILDING TO 2 TO 4 FEET.
.TONIGHT...NORTHWEST WINDS 20 TO 30 KNOTS BACKING WEST AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 4 TO
8 FEET.
.SUNDAY...NORTHWEST WINDS 20 TO 30 KNOTS. SNOW SHOWERS LIKELY IN
THE MORNING...THEN A CHANCE OF SNOW SHOWERS IN THE AFTERNOON.
FREEZING SPRAY IN THE AFTERNOON. WAVES 4 TO 8 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH
10 TO 20 KNOTS AFTER MIDNIGHT. FREEZING SPRAY IN THE EVENING.
SNOW SHOWERS LIKELY. WAVES SUBSIDING TO 3 TO 5 FEET.
.MONDAY...NORTH WINDS 10 TO 20 KNOTS. SNOW SHOWERS LIKELY IN THE
MORNING...THEN A CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES
SUBSIDING TO 2 TO 4 FEET...THEN BUILDING TO 3 TO 5 FEET.
.MONDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS IN THE EVENING...THEN SNOW SHOWERS LIKELY AFTER MIDNIGHT.
WAVES 3 TO 5 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 20 TO
30 KNOTS. FREEZING SPRAY. SNOW SHOWERS LIKELY. WAVES BUILDING TO
7 TO 10 FEET.
.WEDNESDAY...WEST GALES TO 35 KNOTS. FREEZING SPRAY. A CHANCE OF
SNOW SHOWERS. SNOW SHOWERS LIKELY. WAVES BUILDING TO 10 TO
14 FEET...THEN SUBSIDING TO 9 TO 12 FEET.

$$
LSZ261-272315-
MAFOR 2716/
SUPERIOR WEST 11820 11720 14630 11730 11720. SLIGHT CHANCE OF SNOW
THIS AFTERNOON. SLIGHT CHANCE OF SNOW SHOWERS OVERNIGHT. CHANCE OF
SNOW SHOWERS SUNDAY MORNING. WAVES 2 TO 6 FEET.

SUPERIOR NORTH CENTRAL 12820 12730 11630 13730. CHANCE OF SNOW. FREEZING
SPRAY OVERNIGHT INTO SUNDAY. WAVES 2 TO 4 FEET THIS AFTERNOON BUILDING
TO 4 TO 7 FEET TONIGHT AND SUNDAY MORNING.

SUPERIOR SOUTH CENTRAL 11837 11830 11730 11740 12640 11630 11730.
CHANCE OF SNOW SHOWERS LATE THIS AFTERNOON THROUGH SUNDAY MORNING.
WAVES 2 TO 4 FEET BUILDING TO 3 TO 5 FEET THIS AFTERNOON THEN TO
5 TO 7 FEET TONIGHT AND SUNDAY MORNING.

SUPERIOR EAST 11117 11837 12740 12640 11730 11737. CHANCE OF SNOW
TONIGHT THROUGH SUNDAY. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET
THIS AFTERNOON. WAVES 4 TO 6 FEET BUILDING TO 5 TO 8 FEET TONIGHT
INTO SUNDAY MORNING.

$$

JLA







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