Great Lakes Forecast
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307
FZUS63 KMQT 022105
GLFLS

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

.SYNOPSIS...29.4 INCH LOW PRESSURE OVER NORTHERN MISSOURI WILL SHIFT
ACROSS LAKE MICHIGAN AND NORTHERN LOWER MICHIGAN WEDNESDAY
MORNING...BEFORE CROSSING 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.

LSZ162-030515-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
405 PM EST TUE FEB 2 2016 /305 PM CST TUE FEB 2 2016/

.LATE THIS AFTERNOON...NORTHEAST WINDS 15 TO 25 KNOTS. A SLIGHT
CHANCE OF SNOW. WAVES 2 TO 4 FEET.
.TONIGHT...NORTHEAST WINDS 20 TO 30 KNOTS BACKING NORTH AFTER
MIDNIGHT. A FEW GALE FORCE GUSTS TO 35 KNOTS. FREEZING SPRAY. SNOW
LIKELY. WAVES 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.

$$

LSZ263-030515-
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-
405 PM EST TUE FEB 2 2016

...GALE WARNING IN EFFECT FROM 10 PM EST THIS EVENING THROUGH
WEDNESDAY MORNING...

.LATE THIS AFTERNOON...NORTHEAST WINDS 15 TO 25 KNOTS. A CHANCE
OF SNOW. WAVES 2 TO 4 FEET.
.TONIGHT...NORTHEAST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS BY MIDNIGHT. SNOW. FREEZING SPRAY AFTER MIDNIGHT. WAVES
BUILDING TO 8 TO 11 FEET.
.WEDNESDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS IN THE AFTERNOON. 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.

$$

LSZ264-030515-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
405 PM EST TUE FEB 2 2016

...GALE WARNING IN EFFECT FROM 10 PM EST THIS EVENING THROUGH
WEDNESDAY MORNING...

.LATE THIS AFTERNOON...NORTHEAST WINDS 15 TO 25 KNOTS. A SLIGHT
CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.TONIGHT...NORTHEAST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS BY MIDNIGHT. A CHANCE OF SNOW IN THE EVENING...THEN SNOW
AFTER MIDNIGHT. FREEZING SPRAY AFTER MIDNIGHT. WAVES BUILDING TO 7 TO
10 FEET.
.WEDNESDAY...NORTHEAST GALES TO 35 KNOTS BECOMING NORTH WINDS 20 TO
30 KNOTS IN THE AFTERNOON. 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.

$$

LSZ265-030515-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
405 PM EST TUE FEB 2 2016

.LATE THIS AFTERNOON...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF
SNOW. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 20 TO 30 KNOTS BECOMING NORTHEAST AFTER
MIDNIGHT. SNOW. WAVES 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.

$$

LSZ266-030515-
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-
405 PM EST TUE FEB 2 2016

.LATE THIS AFTERNOON...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF
SNOW. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 20 TO 30 KNOTS BECOMING NORTHEAST AFTER
MIDNIGHT. SNOW. PATCHY FREEZING DRIZZLE AFTER MIDNIGHT. WAVES
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.

$$

LSZ267-030515-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
405 PM EST TUE FEB 2 2016

.LATE THIS AFTERNOON...SOUTHEAST WINDS 15 TO 25 KNOTS. A CHANCE
OF SNOW. WAVES CALM TO 2 FEET BUILDING TO 1 TO 3 FEET.
.TONIGHT...EAST WINDS 20 TO 30 KNOTS BACKING NORTHEAST AFTER
MIDNIGHT. SNOW. PATCHY FREEZING DRIZZLE AFTER MIDNIGHT. WAVES
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.

$$

LSZ261-030515-
MAFOR 0222/
SUPERIOR WEST...GALE WARNING IN EFFECT...11140 11147 12157 11857
11850 11840 11830. FREEZING SPRAY. CHANCE OF SNOW WEDNESDAY. WAVES 3
TO 6 FEET BUILDING TO 7 TO 10 FEET TONIGHT. WAVES 6 TO 10 FEET
SUBSIDING TO 5 TO 8 FEET WEDNESDAY.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...11120 11130
13147 11157 12857. FREEZING SPRAY. WAVES 1 TO 3 FEET BUILDING TO 6
TO 9 FEET TONIGHT. WAVES 7 TO 11 FEET WEDNESDAY.

SUPERIOR SOUTH CENTRAL 11227 11237 11247 13147 12847. FREEZING
SPRAY WEDNESDAY AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 5 TO 8
FEET TONIGHT. WAVES 6 TO 10 FEET WEDNESDAY.

SUPERIOR EAST 11320 11237 11247 13147 11137 11847. PATCHY LIGHT
FREEZING DRIZZLE. WAVES 2 FEET OR LESS BUILDING TO 5 TO 8 FEET
TONIGHT AND WEDNESDAY.

$$

PETRO



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