Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 311511
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1011 AM EST SUN JAN 31 2016

.SYNOPSIS...A 29.5 INCH LOW PRESSURE TROUGH WILL MOVE SOUTHEAST OF
LAKE SUPERIOR THIS MORNING. A 29.4 INCH LOW PRESSURE WILL THEN
DEVELOP ALONG THE TROUGH AND MOVE NORTHEAST ACROSS LOWER MICHIGAN
THIS AFTERNOON. ANOTHER LOW PRESSURE TROUGH OF 29.7 INCHES WILL DROP
SOUTH ACROSS LAKE SUPERIOR TONIGHT AND MONDAY MORNING. IN ITS
WAKE...HIGH PRESSURE OF 30.2 INCHES WILL BUILD OVER NORTHERN ONTARIO
MONDAY. LOW PRESSURE OF 29.4 INCHES ORGANIZING IN THE SOUTHERN PLAINS
MONDAY EVENING WILL THEN LIFT NORTHEAST...CROSSING NORTHERN LOWER
MICHIGAN EARLY WEDNESDAY MORNING AND REACHING QUEBEC WEDNESDAY
AFTERNOON. IN ITS WAKE...A 30.3 INCH HIGH PRESSURE RIDGE OVER THE
PLAINS WEDNESDAY MORNING WILL SHIFT EAST...REACHING THE UPPER GREAT
LAKES THURSDAY.

LSZ162-312315-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1011 AM EST SUN JAN 31 2016 /911 AM CST SUN JAN 31 2016/

.REST OF TODAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST IN
THE AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF FREEZING DRIZZLE AND
SNOW AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...NORTH WINDS 5 TO 15 KNOTS VEERING EAST IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTH AFTER
MIDNIGHT. A SLIGHT CHANCE OF FREEZING DRIZZLE AND SNOW SHOWERS IN
THE EVENING. WAVES CALM TO 2 FEET.
.TUESDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 20 TO 30 KNOTS BACKING NORTH
AFTER MIDNIGHT. A CHANCE OF SNOW. FREEZING SPRAY AFTER MIDNIGHT.
WAVES BUILDING TO 4 TO 7 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES CALM TO 2 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$

LSZ263-312315-
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-
1011 AM EST SUN JAN 31 2016

.REST OF TODAY...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF DRIZZLE
IN THE EVENING. A SLIGHT CHANCE OF FREEZING DRIZZLE AND SNOW.
WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 5 TO
15 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BACKING NORTH AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS AND A SLIGHT CHANCE OF
FREEZING DRIZZLE. WAVES CALM TO 2 FEET.
.TUESDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO
3 TO 5 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 20 TO 30 KNOTS BECOMING NORTH
GALES TO 35 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW LIKELY IN
THE EVENING. A CHANCE OF SNOW AFTER MIDNIGHT. WAVES BUILDING TO
5 TO 8 FEET.
.WEDNESDAY...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. FREEZING SPRAY. A CHANCE OF SNOW. WAVES SUBSIDING TO
1 TO 3 FEET.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$

LSZ264-312315-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1011 AM EST SUN JAN 31 2016

.REST OF TODAY...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF
FREEZING DRIZZLE AND SNOW. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...NORTH 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.
.MONDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 20 TO 30 KNOTS BECOMING NORTH
GALES TO 35 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW LIKELY. WAVES
BUILDING TO 6 TO 9 FEET.
.WEDNESDAY...NORTH GALES TO 35 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. FREEZING SPRAY. SNOW LIKELY...THEN A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 7 TO 10 FEET...THEN SUBSIDING TO 1 TO
3 FEET.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.

$$

LSZ265-312315-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1011 AM EST SUN JAN 31 2016

.REST OF TODAY...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS VEERING NORTH AFTER
MIDNIGHT. A SLIGHT CHANCE OF DRIZZLE IN THE EVENING. A SLIGHT
CHANCE OF FREEZING DRIZZLE AND SNOW. WAVES BUILDING TO 1 TO
3 FEET.
.MONDAY...NORTH 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.
.MONDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS. A SLIGHT CHANCE OF FREEZING
DRIZZLE AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST IN THE
AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 20 TO 30 KNOTS BECOMING NORTH
GALES TO 35 KNOTS AFTER MIDNIGHT. SNOW. FREEZING SPRAY AFTER
MIDNIGHT. WAVES BUILDING TO 7 TO 10 FEET.
.WEDNESDAY...NORTH GALES TO 35 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. FREEZING SPRAY. SNOW. WAVES BUILDING TO 8 TO 11 FEET...
THEN SUBSIDING TO 2 TO 4 FEET.
.THURSDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE
OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ266-312315-
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-
1011 AM EST SUN JAN 31 2016

.REST OF TODAY...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS VEERING NORTH AFTER
MIDNIGHT. A SLIGHT CHANCE OF FREEZING DRIZZLE AND SNOW. WAVES
BUILDING TO 2 TO 4 FEET.
.MONDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO 15 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.MONDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS. A SLIGHT CHANCE OF FREEZING
DRIZZLE AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO 1 TO
3 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 20 TO 30 KNOTS INCREASING TO
GALES TO 40 KNOTS AFTER MIDNIGHT. SNOW. FREEZING SPRAY AFTER
MIDNIGHT. WAVES BUILDING TO 7 TO 10 FEET.
.WEDNESDAY...NORTH GALES TO 35 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS. FREEZING SPRAY. SNOW. WAVES BUILDING TO 8 TO 11 FEET...
THEN SUBSIDING TO 2 TO 4 FEET.
.THURSDAY...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 1 TO 3 FEET.

$$

LSZ267-312315-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1011 AM EST SUN JAN 31 2016

.REST OF TODAY...NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS IN THE AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS VEERING NORTH AFTER
MIDNIGHT. A SLIGHT CHANCE OF FREEZING DRIZZLE AND SNOW AFTER
MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW. WAVES CALM TO
2 FEET.
.TUESDAY NIGHT...EAST WINDS 20 TO 30 KNOTS BECOMING NORTHEAST
GALES TO 35 KNOTS AFTER MIDNIGHT. SNOW. FREEZING SPRAY AFTER
MIDNIGHT. WAVES BUILDING TO 5 TO 8 FEET.
.WEDNESDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 15 TO
25 KNOTS. FREEZING SPRAY. SNOW LIKELY. WAVES BUILDING TO 6 TO
9 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.THURSDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE
OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN
BUILDING TO 1 TO 3 FEET.

$$
LSZ261-312315-
MAFOR 3116/
SUPERIOR WEST 11700 11610 12720 11710 13810. SLIGHT CHANCE OF
LIGHT FREEZING DRIZZLE LATE TONIGHT. WAVES 2 FEET OR LESS.

SUPERIOR NORTH CENTRAL 12710 11720 13820 11830 11820. SLIGHT
CHANCE OF LIGHT FREEZING DRIZZLE AFTER MIDNIGHT TONIGHT THROUGH
MID MONDAY MORNING. CHANCE OF SNOW SHOWERS MONDAY MORNING. WAVES
1 TO 3 FEET.

SUPERIOR SOUTH CENTRAL 12710 13720 11820 11720 11820. CHANCE OF
SNOW SHOWERS AND SLIGHT CHANCE OF LIGHT FREEZING DRIZZLE THROUGH
MID MORNING...THEN CHANCE OF SNOW SHOWERS LATE MONDAY MORNING.
WAVES 1 TO 3 FEET.

SUPERIOR EAST 12710 11720 11730 13830 11820. CHANCE OF SNOW
SHOWERS AND SLIGHT CHANCE OF LIGHT FREEZING DRIZZLE THROUGH MID
MORNING...THEN CHANCE OF SNOW SHOWERS LATE MONDAY MORNING. WAVES
2 TO 4 FEET.

$$

JS


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