Great Lakes Forecast
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000
FZUS63 KMQT 291956
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
356 PM EDT WED OCT 29 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...LOW PRESSURE OF 29.3 INCHES IN NORTHERN QUEBEC WILL
CONTINUE NORTH THROUGH THURSDAY AS A HIGH PRESSURE RIDGE OF 30.1
INCHES OVER THE MID MISSISSIPPI VALLEY SLIDES INTO THE OHIO RIVER
VALLEY. WEAK LOW PRESSURE OF 30.0 INCHES WILL DRIFT ACROSS THE UPPER
GREAT LAKES THURSDAY AFTERNOON AND DEEPEN TO 29.7 INCHES BY FRIDAY
MORNING AS IT REACHES THE LOWER GREAT LAKES. IN ITS WAKE...30.6 INCH
HIGH PRESSURE STRETCHING FROM SOUTHERN CANADA THROUGH THE NORTHERN
PLAINS WILL PUSH ACROSS THE UPPER GREAT LAKES FRIDAY NIGHT THROUGH
SATURDAY WHILE WEAKENING TO 30.4 INCHES. THE HIGH WILL MOVE EAST OF
THE AREA ON SUNDAY AS A LOW PRESSURE TROUGH OF 29.6 INCHES FORMS OVER
THE PLAINS. THIS LOW WILL LIFT NORTHEAST INTO CANADA ON MONDAY WHILE
SWEEPING A 29.8 INCH TROUGH ACROSS THE UPPER GREAT LAKES REGION ON
MONDAY NIGHT.

LSZ162-300400-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
356 PM EDT WED OCT 29 2014 /256 PM CDT WED OCT 29 2014/

...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
MORNING...

.LATE THIS AFTERNOON...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES
BUILDING TO 1 TO 3 FEET.
.THURSDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS. FREQUENT GALE FORCE
GUSTS TO 35 KNOTS. A SLIGHT CHANCE OF RAIN SHOWERS THROUGH MIDNIGHT.
A SLIGHT CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 7 TO 10 FEET.
.FRIDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. FREQUENT GALE FORCE GUSTS TO 35 KNOTS IN THE
MORNING. A SLIGHT CHANCE OF SNOW SHOWERS THROUGH EARLY AFTERNOON.
WAVES SUBSIDING TO 3 TO 5 FEET.
.FRIDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
2 TO 4 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE OF
RAIN SHOWERS. WAVES BUILDING TO 2 TO 4 FEET.

$$

LSZ263-300400-
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-
356 PM EDT WED OCT 29 2014

...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
MORNING...

.LATE THIS AFTERNOON...WEST WINDS 10 TO 20 KNOTS. ISOLATED RAIN
SHOWERS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS. A
SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO
CALM TO 2 FEET.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS...POSSIBLY
MIXED WITH SNOW. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS INCREASING TO GALES
TO 35 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY...POSSIBLY MIXED
WITH RAIN SHOWERS THROUGH MIDNIGHT...THEN A CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO 8 TO 11 FEET.
.FRIDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. FREQUENT GALE FORCE GUSTS TO 35 KNOTS IN
THE MORNING. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 6
FEET.
.FRIDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
2 TO 4 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET...THEN BUILDING TO 2 TO 4 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. A CHANCE
OF RAIN SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING
TO 2 TO 4 FEET.

$$

LSZ264-300400-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
356 PM EDT WED OCT 29 2014

...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
AFTERNOON...

.LATE THIS AFTERNOON...NORTHWEST WINDS 10 TO 20 KNOTS. ISOLATED
RAIN AND SNOW SHOWERS. WAVES 3 TO 6 FEET.
.TONIGHT...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHEAST LESS THAN
10 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...NORTHEAST WINDS LESS THAN 10 KNOTS BECOMING NORTH
5 TO 15 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN AND SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS INCREASING TO GALES
TO 40 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS
THROUGH MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO
8 TO 11 FEET.
.FRIDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
BY MID AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO
3 TO 6 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES 2 TO 4 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. A CHANCE
OF RAIN SHOWERS. WAVES 2 TO 4 FEET.

$$

LSZ265-300400-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
356 PM EDT WED OCT 29 2014

...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
AFTERNOON...

.LATE THIS AFTERNOON...NORTHWEST WINDS 15 TO 25 KNOTS. ISOLATED
RAIN AND SNOW SHOWERS. WAVES 3 TO 6 FEET.
.TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST LESS THAN
10 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS...POSSIBLY
MIXED WITH SNOW. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS LESS THAN 10 KNOTS BECOMING NORTH
5 TO 15 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS. A
SLIGHT CHANCE OF SNOW SHOWERS BY MID AFTERNOON. WAVES CALM TO
2 FEET.
.THURSDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS INCREASING TO GALES
TO 35 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS
THROUGH MIDNIGHT. SNOW SHOWERS LIKELY. WAVES BUILDING TO 10 TO
14 FEET.
.FRIDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
BY LATE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 6 TO
9 FEET.
.FRIDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS VEERING SOUTH BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.

$$

LSZ266-300400-
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-
356 PM EDT WED OCT 29 2014

...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
AFTERNOON...

.LATE THIS AFTERNOON...NORTHWEST WINDS 15 TO 25 KNOTS. ISOLATED
RAIN AND SNOW SHOWERS. WAVES 4 TO 8 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS LESS THAN 10 KNOTS BECOMING NORTH
5 TO 15 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS...
POSSIBLY MIXED WITH SNOW. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS INCREASING TO GALES
TO 35 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY...POSSIBLY MIXED
WITH RAIN SHOWERS THROUGH MIDNIGHT...THEN A CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO 10 TO 14 FEET.
.FRIDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
BY LATE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 6 TO
9 FEET.
.FRIDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHEAST
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. WAVES 2 TO 4 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST. A CHANCE
OF RAIN SHOWERS. WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING
TO 2 TO 4 FEET.

$$

LSZ267-300400-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
356 PM EDT WED OCT 29 2014

...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
AFTERNOON...

.LATE THIS AFTERNOON...NORTHWEST WINDS 20 TO 30 KNOTS. ISOLATED
RAIN AND SNOW SHOWERS. WAVES 4 TO 7 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...WEST WINDS LESS THAN 10 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS...POSSIBLY
MIXED WITH SNOW. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. FREQUENT GALE FORCE GUSTS TO 35 KNOTS LATE.
A SLIGHT CHANCE OF RAIN SHOWERS THROUGH MIDNIGHT. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 7 TO 10 FEET.
.FRIDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
BY LATE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 8 TO
11 FEET...THEN SUBSIDING TO 5 TO 8 FEET.
.FRIDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHEAST
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST. A CHANCE
OF RAIN SHOWERS. WAVES 2 TO 4 FEET.

$$

LSZ261-300400-
MAFOR 2921/
SUPERIOR WEST 11610 11710 11700 12600 11700 12710. CHANCE OF RAIN
SHOWERS OVERNIGHT AND THURSDAY. WAVES 1 TO 3 FEET TONIGHT. WAVES
1 FOOT OR LESS THURSDAY.

SUPERIOR NORTH CENTRAL 11720 11710 11810 11100 12200 11100 11800.
CHANCE OF RAIN AND SNOW SHOWERS THURSDAY. WAVES 3 TO 5 FEET
SUBSIDING TO 1 TO 3 FEET TONIGHT. WAVES 1 FOOT OR LESS THURSDAY.

SUPERIOR SOUTH CENTRAL 11730 11720 11710 11600 12500 11600 11700.
SLIGHT CHANCE OF RAIN AND SNOW SHOWERS TONIGHT. CHANCE OF RAIN
SHOWERS TONIGHT AND THURSDAY. SLIGHT CHANCE OF SNOW SHOWERS THURSDAY
AFTERNOON. WAVES 4 TO 6 FEET SUBSIDING TO 1 TO 3 FEET TONIGHT. WAVES
1 FOOT OR LESS THURSDAY.

SUPERIOR EAST 12730 11720 12710 11600 11500 11700. SLIGHT CHANCE OF
RAIN AND SNOW SHOWERS TONIGHT. CHANCE OF RAIN AND SNOW SHOWERS
THURSDAY. WAVES 5 TO 8 FEET SUBSIDING TO 2 TO 4 FEET TONIGHT. WAVES
1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS THURSDAY.

$$

SRF








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