Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 301404
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1004 AM EDT THU OCT 30 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 TODAY 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 THIS
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.

LSZ162-302100-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1004 AM EDT THU OCT 30 2014 /904 AM CDT THU OCT 30 2014/

...GALE WARNING IN EFFECT FROM 8 PM EDT /7 PM CDT/ THIS EVENING
THROUGH FRIDAY MORNING...

.REST OF TODAY...NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS BY MID AFTERNOON. WAVES CALM TO 2 FEET BUILDING TO 2 TO
4 FEET.
.TONIGHT...NORTH GALES TO 35 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 7 TO 11 FEET.
.FRIDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS
THROUGH EARLY AFTERNOON. WAVES SUBSIDING TO 6 TO 9 FEET.
.FRIDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS. WAVES BUILDING TO
2 TO 4 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES SUBSIDING TO 1 TO 3 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS. WAVES 1 TO 3 FEET.

$$

LSZ263-302100-
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-
1004 AM EDT THU OCT 30 2014

...GALE WARNING IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
FRIDAY MORNING...

.REST OF TODAY...NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS. A
SLIGHT CHANCE OF SNOW SHOWERS BY MID AFTERNOON. WAVES 1 TO 3 FEET
BUILDING TO 2 TO 4 FEET.
.TONIGHT...NORTH GALES TO 40 KNOTS. A SLIGHT CHANCE OF RAIN
SHOWERS THROUGH MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 10 TO 14 FEET...THEN SUBSIDING TO 9 TO 12 FEET.
.FRIDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 3 TO 6 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS. WAVES BUILDING
TO 2 TO 4 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS. WAVES 2 TO 4 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE
OF RAIN SHOWERS. WAVES 2 TO 4 FEET.

$$

LSZ264-302100-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1004 AM EDT THU OCT 30 2014

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY
MORNING...

.REST OF TODAY...NORTHEAST 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 BUILDING TO 1 TO
3 FEET.
.TONIGHT...NORTH GALES TO 40 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES BUILDING TO 10 TO 14 FEET...THEN SUBSIDING TO 9 TO 12 FEET.
.FRIDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 3 TO 6 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHEAST
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS. WAVES BUILDING TO
2 TO 4 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS. WAVES 2 TO 4 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES 2 TO 4 FEET.

$$

LSZ265-302100-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1004 AM EDT THU OCT 30 2014

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY
MORNING...

.REST OF TODAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST BY
MID AFTERNOON. A CHANCE OF RAIN SHOWERS. A SLIGHT CHANCE OF SNOW
SHOWERS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
40 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 MID AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO
5 TO 8 FEET.
.FRIDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHEAST
5 TO 15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS
THROUGH MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.SATURDAY...NORTHEAST 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. WAVES BUILDING TO
1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES 1 TO 3 FEET.

$$

LSZ266-302100-
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-
1004 AM EDT THU OCT 30 2014

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTH BY MID
AFTERNOON. A CHANCE OF RAIN SHOWERS. A SLIGHT CHANCE OF SNOW
SHOWERS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
45 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS THROUGH
MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 10 TO
14 FEET.
.FRIDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
BY MID AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO
11 TO 15 FEET...THEN SUBSIDING TO 6 TO 9 FEET.
.FRIDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHEAST
5 TO 15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS
THROUGH MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.SATURDAY...NORTHEAST 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 INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS. WAVES BUILDING TO 3 TO 5 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST. A CHANCE
OF RAIN SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.

$$

LSZ267-302100-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1004 AM EDT THU OCT 30 2014

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH BY
MID AFTERNOON. A CHANCE OF RAIN SHOWERS. A SLIGHT CHANCE OF SNOW
SHOWERS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...NORTHEAST WINDS 20 TO 30 KNOTS BECOMING NORTH 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. A CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO 6 TO 9 FEET.
.FRIDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHEAST
15 TO 25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS
THROUGH MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.SATURDAY...NORTHEAST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS
THAN 10 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO
2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 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.

$$
LSZ261-302100-
MAFOR 3015/
SUPERIOR WEST...GALE WARNING IN EFFECT...
11710 11720 11740 14850 11840. SLIGHT CHANCE OF RAIN SHOWERS THIS
AFTERNOON. SLIGHT CHANCE OF RAIN AND SNOW SHOWERS TONIGHT. WAVES 1
TO 2 FEET THIS AFTERNOON BUILDING TO 8 TO 11 FEET TONIGHT AND FRIDAY
MORNING.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...
12800 11830 11840 14850. CHANCE OF RAIN AND SNOW SHOWERS THIS
AFTERNOON AND TONIGHT. SLIGHT CHANCE OF SNOW SHOWERS FRIDAY MORNING.
WAVES 1 TO 3 FEET THIS AFTERNOON BUILDING TO 10 TO 13 FEET TONIGHT
AND FRIDAY MORNING.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...
11620 11710 11826 11847 11157 11867 11857 11850. CHANCE OF RAIN
SHOWERS THIS AFTERNOON. SLIGHT CHANCE OF RAIN AND SNOW SHOWERS IN
THE EVENING. CHANCE OF SNOW SHOWERS FRIDAY MORNING. WAVES 1 TO 2 FEET
THIS AFTERNOON BUILDING TO 10 TO 14 FEET TONIGHT AND FRIDAY MORNING.

SUPERIOR EAST...GALE WARNING IN EFFECT...
11610 11710 11820 11830 11150 13850. CHANCE OF RAIN SHOWERS THIS
AFTERNOON. CHANCE OF RAIN AND SNOW SHOWERS TONIGHT. CHANCE OF SNOW
SHOWERS FRIDAY MORNING. WAVES 1 TO 3 FEET THIS AFTERNOON BUILDING TO
9 TO 12 FEET TONIGHT AND FRIDAY MORNING.

$$

MZ





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