Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 011500
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1000 AM EST SUN FEB 1 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A LARGE 30.9 INCH HIGH PRESSURE SYSTEM ACROSS WESTERN
AND CENTRAL CANADA WILL SETTLE ACROSS THE NORTHERN AND CENTRAL PLAINS
STATES AT 30.7 INCHES TODAY AND TONIGHT. EXPECT A 30.5 INCH RIDGE
EXTENDING FROM THIS HIGH ACROSS LAKE SUPERIOR THIS MORNING TO SLOWLY
WEAKEN TO 30.2 INCHES BY MONDAY AFTERNOON AS THE AREA OF HIGH
PRESSURE DRIFTS ACROSS THE OHIO VALLEY...AND THEN THE MID ATLANTIC
STATES TUESDAY. A 29.9 INCH TROUGH WILL THEN CROSS THE UPPER GREAT
LAKES ON TUESDAY FOLLOWED BY 30.6 INCH HIGH PRESSURE BUILDING INTO
THE NORTHERN PLAINS ON WEDNESDAY AND THEN SLIDING INTO THE UPPER
GREAT LAKES ON THURSDAY.

LSZ162-012300-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1000 AM EST SUN FEB 1 2015

.REST OF TODAY...NORTHEAST WINDS 15 TO 25 KNOTS BECOMING NORTH
10 TO 20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES BUILDING
TO 3 TO 5 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.

$$

LSZ263-012300-
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-
1000 AM EST SUN FEB 1 2015

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

$$

LSZ264-012300-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1000 AM EST SUN FEB 1 2015

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

$$

LSZ265-012300-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1000 AM EST SUN FEB 1 2015

.REST OF TODAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST IN
THE AFTERNOON. SNOW SHOWERS LIKELY LATE IN THE MORNING...THEN A
CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FEET
SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. SNOW SHOWERS LIKELY. WAVES CALM TO
2 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES BUILDING TO
1 TO 3 FEET.
.WEDNESDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. SNOW SHOWERS. WAVES BUILDING TO 3 TO 5 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. A CHANCE
OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN
BUILDING TO 1 TO 3 FEET.

$$

LSZ266-012300-
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-
1000 AM EST SUN FEB 1 2015

.REST OF TODAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTH IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FEET SUBSIDING
TO CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS IN THE
EVENING...THEN SNOW SHOWERS LIKELY AFTER MIDNIGHT. WAVES BUILDING
TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. SNOW SHOWERS LIKELY IN THE MORNING...THEN A
CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES BUILDING TO 3 TO
5 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. HEAVY FREEZING SPRAY
IN THE EVENING. SNOW SHOWERS. WAVES BUILDING TO 4 TO 7 FEET...
THEN SUBSIDING TO 3 TO 5 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS. SNOW SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO
1 TO 3 FEET...THEN BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHWEST WINDS 20 TO 30 KNOTS. HEAVY FREEZING
SPRAY. SNOW SHOWERS. WAVES BUILDING TO 4 TO 7 FEET...THEN
SUBSIDING TO 2 TO 4 FEET.
.THURSDAY...WEST WINDS 15 TO 25 KNOTS BACKING SOUTHWEST. SNOW
SHOWERS...THEN A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET...THEN BUILDING TO 3 TO 5 FEET.

$$

LSZ267-012300-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1000 AM EST SUN FEB 1 2015

.REST OF TODAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST IN
THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FEET
SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.MONDAY...EAST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO 20 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO
2 TO 4 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS. HEAVY FREEZING
SPRAY IN THE EVENING. SNOW SHOWERS LIKELY. WAVES BUILDING TO 4 TO
7 FEET...THEN SUBSIDING TO 3 TO 5 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS. SNOW SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET...
THEN BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS VEERING NORTH. HEAVY
FREEZING SPRAY. SNOW SHOWERS. WAVES BUILDING TO 4 TO 7 FEET...
THEN SUBSIDING TO 2 TO 4 FEET.
.THURSDAY...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET...THEN
BUILDING TO 3 TO 5 FEET.

$$
LSZ261-012300-
MAFOR 0116/
SUPERIOR WEST 12130 13820 12710 11620. CHANCE OF SNOW SHOWERS
THROUGH MONDAY MORNING. WAVES 1 TO 5 FEET.

SUPERIOR NORTH CENTRAL 15820 11710 11720. CHANCE OF SNOW SHOWERS.
WAVES 1 TO 3 FEET.

SUPERIOR SOUTH CENTRAL 11317 11300 11810 13820 11720 11630.
CHANCE OF SNOW SHOWERS THROUGH MONDAY MORNING. WAVES 1 TO 3 FEET.

SUPERIOR EAST 11210 12110 13120 11217 11307. CHANCE OF SNOW
SHOWERS THIS AFTERNOON AND TONIGHT. WAVES 1 TO 3 FEET.

$$

JS


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