Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 030258
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
958 PM EST TUE FEB 2 2016

.SYNOPSIS...29.5 INCH LOW PRESSURE OVER NORTHERN MISSOURI WILL REACH
NORTHERN LOWER MICHIGAN WEDNESDAY MORNING AND MOVE INTO SOUTHERN
QUEBEC BY THE END OF THE DAY. THE AREA OF LOW PRESSURE WILL FILL
SLIGHTLY TO 29.5 INCHES WEDNESDAY NIGHT OVER CENTRAL QUEBEC. A
WEAKENING TROUGH OVER LAKE SUPERIOR WILL BE REPLACED BY A 30.3 INCH
RIDGE OF HIGH PRESSURE THURSDAY AFTERNOON THROUGH FRIDAY MORNING.
LOOK FOR A TROUGH OF LOW PRESSURE AVERAGING 30.1 INCHES OVER THE
NORTHERN PLAINS ON FRIDAY TO TRACK ACROSS LAKE SUPERIOR FRIDAY
NIGHT...AND DEEPEN TO 29.8 INCHES OVER SOUTHERN QUEBEC SATURDAY
AFTERNOON. MEANWHILE...30.3 INCH HIGH PRESSURE SWINGING ACROSS
ONTARIO SATURDAY WILL BUILD A RIDGE OF 30.2 INCHES OVER LAKE
SUPERIOR...BEFORE SLIDING EAST SATURDAY NIGHT. 29.6 INCH LOW PRESSURE
OVER SOUTH CENTRAL CANADA SATURDAY EVENING LOOKS TO SHIFT ACROSS THE
UPPER GREAT LAKES ON SUNDAY.

LSZ162-031100-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
958 PM EST TUE FEB 2 2016 /858 PM CST TUE FEB 2 2016/

.REST OF TONIGHT...NORTHEAST 10 TO 20 KNOTS BACKING NORTH AFTER
MIDNIGHT. A FEW GALE FORCE GUSTS TO 35 KNOTS. FREEZING SPRAY. SNOW.
WAVES 4 TO 7 FEET BUILDING TO 8 TO 11 FEET.
.WEDNESDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. FREEZING SPRAY. A CHANCE OF SNOW.
WAVES SUBSIDING TO 3 TO 6 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
5 TO 15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS IN
THE EVENING. WAVES SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS BACKING NORTH. A CHANCE OF
SNOW. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO
2 FEET.

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

$$

LSZ263-031100-
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 PM EST TUE FEB 2 2016

...GALE WARNING IN EFFECT UNTIL 9 AM EST WEDNESDAY...

.REST OF TONIGHT...NORTHEAST GALES TO 35 KNOTS. SNOW. FREEZING
SPRAY. WAVES 4 TO 7 FEET BUILDING TO 8 TO 11 FEET.
.WEDNESDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS IN THE MORNING. FREEZING SPRAY. SNOW LIKELY IN THE MORNING.
A CHANCE OF SNOW IN THE AFTERNOON. WAVES SUBSIDING TO 5 TO 8 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. FREEZING SPRAY IN THE EVENING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...NORTH WINDS 5 TO 15 KNOTS BACKING WEST IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING...THEN
SNOW SHOWERS LIKELY IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO
2 FEET.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES BUILDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHEAST WINDS 20 TO 30 KNOTS BACKING NORTHEAST. A
CHANCE OF SNOW. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO
1 TO 3 FEET.

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

$$

LSZ264-031100-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
958 PM EST TUE FEB 2 2016

...GALE WARNING IN EFFECT UNTIL 9 AM EST WEDNESDAY...

.REST OF TONIGHT...NORTHEAST WINDS 20 TO 30 KNOTS INCREASING TO
GALES TO 35 KNOTS AFTER MIDNIGHT. SNOW. FREEZING SPRAY AFTER
MIDNIGHT. WAVES 2 TO 4 FEET BUILDING TO 7 TO 10 FEET.
.WEDNESDAY...NORTHEAST GALES TO 35 KNOTS BECOMING NORTH WINDS 20 TO
30 KNOTS IN THE MORNING. FREEZING SPRAY. SNOW LIKELY. WAVES BUILDING
TO 7 TO 11 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST LESS THAN
10 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY IN THE
EVENING...THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES
CALM TO 2 FEET.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO
1 TO 3 FEET.
.FRIDAY NIGHT...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 2 TO
4 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING EAST 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHEAST WINDS 20 TO 30 KNOTS BECOMING EAST GALES TO
35 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO 5 FEET...THEN
SUBSIDING TO 2 TO 4 FEET.

$$

LSZ265-031100-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
958 PM EST TUE FEB 2 2016

.REST OF TONIGHT...EAST WINDS 20 TO 30 KNOTS BECOMING NORTHEAST
AFTER MIDNIGHT. SNOW. WAVES 1 TO 3 FEET BUILDING TO 5 TO 8 FEET.
.WEDNESDAY...NORTHEAST WINDS 20 TO 30 KNOTS BACKING NORTH IN THE
AFTERNOON. FREEZING SPRAY. SNOW. WAVES BUILDING TO 7 TO 10 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS
LIKELY IN THE EVENING. A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
WAVES SUBSIDING TO 3 TO 5 FEET.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY IN THE EVENING...
THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES CALM TO
2 FEET.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES BUILDING
TO 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS VEERING SOUTHEAST. A
CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.

$$

LSZ266-031100-
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 PM EST TUE FEB 2 2016

.REST OF TONIGHT...EAST WINDS 20 TO 30 KNOTS BECOMING NORTHEAST
AFTER MIDNIGHT. SNOW. PATCHY FREEZING DRIZZLE AFTER MIDNIGHT. WAVES
2 TO 4 FEET BUILDING TO 6 TO 9 FEET.
.WEDNESDAY...NORTHEAST WINDS 20 TO 30 KNOTS BACKING NORTH IN THE
AFTERNOON. FREEZING SPRAY. PATCHY FREEZING DRIZZLE IN THE MORNING.
SNOW. WAVES BUILDING TO 7 TO 10 FEET.
.WEDNESDAY NIGHT...NORTH WINDS TO 20 TO 30 KNOTS. FREEZING SPRAY.
SNOW SHOWERS LIKELY. WAVES BUILDING TO 8 TO 11 FEET...THEN SUBSIDING
TO 3 TO 5 FEET.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN SNOW SHOWERS LIKELY IN THE AFTERNOON. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY. WAVES BUILDING TO
1 TO 3 FEET.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES BUILDING TO 2 TO 4 FEET.
.FRIDAY NIGHT...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 3 TO
5 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING EAST 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET...THEN BUILDING TO 2 TO 4 FEET.
.SUNDAY...SOUTHEAST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO 5 FEET.

$$

LSZ267-031100-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
958 PM EST TUE FEB 2 2016

.REST OF TONIGHT...EAST WINDS 20 TO 30 KNOTS BECOMING NORTHEAST
AFTER MIDNIGHT. SNOW. PATCHY FREEZING DRIZZLE AFTER MIDNIGHT. WAVES
2 TO 4 FEET BUILDING TO 4 TO 7 FEET.
.WEDNESDAY...NORTHEAST WINDS 20 TO 30 KNOTS BECOMING NORTH 15 TO
25 KNOTS IN THE AFTERNOON. PATCHY FREEZING DRIZZLE IN THE
MORNING. SNOW LIKELY. FREEZING SPRAY IN THE AFTERNOON. WAVES
SUBSIDING TO 3 TO 6 FEET...THEN BUILDING TO 4 TO 7 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS
LIKELY. WAVES BUILDING TO 6 TO 9 FEET...THEN SUBSIDING TO 3 TO
5 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. SNOW SHOWERS LIKELY. WAVES SUBSIDING TO CALM TO
2 FEET.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY. WAVES BUILDING TO
1 TO 3 FEET.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30 KNOTS
IN THE AFTERNOON. SNOW SHOWERS LIKELY. WAVES BUILDING TO 2 TO
4 FEET.
.FRIDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. SNOW SHOWERS LIKELY.
WAVES BUILDING TO 3 TO 5 FEET.
.SATURDAY...NORTH WINDS 15 TO 25 KNOTS VEERING EAST. A CHANCE OF
SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHEAST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 2 TO 4 FEET.

$$
LSZ261-031100-
MAFOR 0304/
SUPERIOR WEST...GALE WARNING IN EFFECT...12157 11857 11850 11840
12830 11820. FREEZING SPRAY OVERNIGHT AND WEDNESDAY. CHANCE OF SNOW
FROM LATE MORNING ON WEDNESDAY. WAVES 5 TO 8 FEET BUILDING TO 7 TO 10
FEET OVERNIGHT. WAVES 6 TO 10 FEET SUBSIDING TO 5 TO 8 FEET
WEDNESDAY. WAVES 4 TO 7 FEET WEDNESDAY EVENING.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...13147 11157
12857 11847 11842. FREEZING SPRAY. CHANCE OF SNOW SHOWERS LATE
WEDNESDAY EVENING. WAVES 3 TO 5 FEET BUILDING TO 6 TO 9 FEET
OVERNIGHT. WAVES 7 TO 11 FEET WEDNESDAY SUBSIDING TO 5 TO 9 FEET
WEDNESDAY EVENING.

SUPERIOR SOUTH CENTRAL 11247 13147 14847. FREEZING SPRAY
WEDNESDAY AFTERNOON AND EVENING. WAVES 3 TO 5 FEET BUILDING TO 5 TO
8 FEET OVERNIGHT AND 6 TO 10 FEET WEDNESDAY AND WEDNESDAY EVENING.

SUPERIOR EAST 11247 13147 11137 13847. FREEZING SPRAY. WAVES 3 TO 7
FEET OVERNIGHT. WAVES 5 TO 9 FEET WEDNESDAY AND WEDNESDAY EVENING.

$$

PETRO


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