Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 091959
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
359 PM EDT TUE SEP 9 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.9 INCH TROUGH ACROSS THE EAST HALF OF LAKE SUPERIOR
WILL DRIFT EASTWARD TONIGHT AS 29.6 INCH LOW PRESSURE OVER KANSAS
EJECTS NORTHEASTWARD TOWARD THE UPPER GREAT LAKES. THE LOW WILL BE
OVER EASTERN IOWA AT 29.4 INCHES BY DAYBREAK WEDNESDAY...EASTERN
UPPER MICHIGAN AND NORTHERN LOWER MICHIGAN LATE WEDNESDAY
AFTERNOON...AND QUEBEC ON THURSDAY. LARGE 30.6 INCH HIGH PRESSURE
OVER SOUTHERN ALBERTA AND SASKATCHEWAN THURSDAY WILL SINK ACROSS THE
NORTHERN AND CENTRAL PLAINS...WHILE BUILDING A 30.2 INCH RIDGE ACROSS
LAKE SUPERIOR THURSDAY NIGHT THROUGH SUNDAY.

LSZ162-100400-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
359 PM EDT TUE SEP 9 2014 /259 PM CDT TUE SEP 9 2014/

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
EVENING...

.LATE THIS AFTERNOON...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET BUILDING TO
1 TO 3 FEET.
.TONIGHT...NORTHEAST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO 35
KNOTS LATE. SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES
BUILDING TO 9 TO 12 FEET.
.WEDNESDAY...NORTHEAST GALES TO 40 KNOTS. RAIN. WAVES BUILDING TO
12 TO 17 FEET...THEN SUBSIDING TO 11 TO 15 FEET.
.WEDNESDAY NIGHT...NORTH GALES TO 35 KNOTS DIMINISHING TO 15 TO 25
KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN. WAVES SUBSIDING TO 7
TO 10 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS.
WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ263-100400-
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-
359 PM EDT TUE SEP 9 2014

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH LATE
WEDNESDAY NIGHT...

.LATE THIS AFTERNOON...VARIABLE WINDS 10 TO 15 KNOTS BECOMING
NORTHEAST 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET BUILDING TO 2 TO 4 FEET.
.TONIGHT...NORTHEAST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS LATE. SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES
BUILDING TO 9 TO 12 FEET.
.WEDNESDAY...NORTHEAST GALES TO 45 KNOTS. RAIN. WAVES BUILDING TO
12 TO 17 FEET.
.WEDNESDAY NIGHT...NORTH GALES TO 40 KNOTS DIMINISHING TO 20 TO 30
AFTER MIDNIGHT. A CHANCE OF RAIN. WAVES SUBSIDING TO 8 TO 11 FEET.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS. WAVES
SUBSIDING TO 3 TO 5 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES
BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.

$$

LSZ264-100400-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
359 PM EDT TUE SEP 9 2014

...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE
WEDNESDAY NIGHT...

.LATE THIS AFTERNOON...NORTH WINDS 10 TO 20 KNOTS. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET
BUILDING TO 2 TO 4 FEET.
.TONIGHT...NORTHEAST WINDS 15 TO 25 KNOTS INCREASING TO GALES TO
35 KNOTS LATE. A CHANCE OF SHOWERS THROUGH MIDNIGHT...THEN SHOWERS.
A SLIGHT CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 8 TO 11 FEET.
.WEDNESDAY...NORTHEAST GALES TO 40 KNOTS INCREASING TO 45 KNOTS BY
NOON. RAIN. WAVES BUILDING TO 12 TO 17 FEET.
.WEDNESDAY NIGHT...NORTH GALES TO 40 KNOTS DIMINISHING TO 35 KNOTS
AFTER MIDNIGHT. RAIN THROUGH MIDNIGHT...THEN A SLIGHT CHANCE OF RAIN.
WAVES SUBSIDING TO 8 TO 11 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS
BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS. WAVES SUBSIDING TO 3
TO 6 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES
BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.

$$

LSZ265-100400-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
359 PM EDT TUE SEP 9 2014

...GALE WARNING IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH LATE
WEDNESDAY NIGHT...

.LATE THIS AFTERNOON...EAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS
THROUGH MIDNIGHT. A SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS AFTER
MIDNIGHT. WAVES BUILDING TO 5 TO 8 FEET.
.WEDNESDAY...NORTHEAST WINDS 15 TO 25 KNOTS INCREASING TO GALES
TO 35 KNOTS BY MID AFTERNOON. RAIN. WAVES BUILDING TO 12 TO
17 FEET.
.WEDNESDAY NIGHT...NORTH GALES TO 40 KNOTS. RAIN THROUGH
MIDNIGHT...THEN A CHANCE OF RAIN. WAVES BUILDING TO 15 TO 20
FEET...THEN SUBSIDING TO 10 TO 14 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES SUBSIDING
TO 4 TO 7 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES
CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ266-100400-
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-
359 PM EDT TUE SEP 9 2014

...GALE WARNING IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH LATE
WEDNESDAY NIGHT...

.LATE THIS AFTERNOON...SOUTHEAST WINDS 5 TO 15 KNOTS. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...NORTHEAST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS THROUGH MIDNIGHT...THEN SHOWERS LIKELY. A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES BUILDING TO 7 TO 10 FEET.
.WEDNESDAY...NORTHEAST WINDS 15 TO 25 KNOTS INCREASING TO GALES
TO 35 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF THUNDERSTORMS
THROUGH EARLY AFTERNOON. RAIN. WAVES BUILDING TO 12 TO 17 FEET.
.WEDNESDAY NIGHT...NORTH GALES TO 40 KNOTS DIMINISHING TO 35 KNOTS
AFTER MIDNIGHT. RAIN THROUGH MIDNIGHT...THEN A CHANCE OF RAIN. WAVES
BUILDING TO 15 TO 20 FEET...THEN SUBSIDING TO 10 TO 14 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS. A CHANCE OF SHOWERS. WAVES
SUBSIDING TO 4 TO 7 FEET.
.THURSDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST
AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES
BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.

$$

LSZ267-100400-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
359 PM EDT TUE SEP 9 2014

...GALE WARNING IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY
MORNING...

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS AFTER MIDNIGHT. SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...EAST WINDS 15 TO 25 KNOTS BECOMING NORTHEAST 20 TO
30 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF THUNDERSTORMS
THROUGH EARLY AFTERNOON. RAIN. WAVES BUILDING TO 9 TO 12 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 20 TO 30 KNOTS BECOMING NORTH
GALES TO 35 KNOTS AFTER MIDNIGHT. RAIN THROUGH MIDNIGHT...THEN A
CHANCE OF RAIN. WAVES BUILDING TO 10 TO 14 FEET... THEN SUBSIDING TO
6 TO 9 FEET.
.THURSDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
BY NOON. A SLIGHT CHANCE OF SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.FRIDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES CALM TO
2 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST.
WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.

$$

LSZ261-100400-
MAFOR 0921/
SUPERIOR WEST...GALE WARNING IN EFFECT...11130 13146 12156 12166.
SLIGHT CHANCE OF SHOWERS LATE THIS AFTERNOON. CHANCE OF
THUNDERSTORMS. WAVES 1 FOOT OR LESS BUILDING TO 7 TO 10 FEET TONIGHT.
WAVES BUILDING TO 12 TO 16 FEET WEDNESDAY.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...11120 11130 13146
11156 12166. CHANCE OF SHOWERS THIS EVENING. SLIGHT CHANCE OF
THUNDERSTORMS. SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. WAVES 1
FOOT OR LESS BUILDING TO 7 TO 10 FEET TONIGHT. WAVES BUILDING TO 13
TO 17 FEET WEDNESDAY.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...11200 11220 12120
11136 12146 11156. SLIGHT CHANCE OF SHOWERS THIS EVENING. SLIGHT
CHANCE OF THUNDERSTORMS. SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING. WAVES 2 FEET OR LESS BUILDING TO 4 TO 6 FEET TONIGHT. WAVES
BUILDING TO 11 TO 15 FEET WEDNESDAY.

SUPERIOR EAST...GALE WARNING IN EFFECT...12300 11310 11210 11236
13146. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
OVERNIGHT. SLIGHT CHANCE OF THUNDERSTORMS WEDNESDAY. WAVES 2 FEET OR
LESS TONIGHT BUILDING TO 7 TO 10 FEET WEDNESDAY.

$$

KLUBER





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