Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 020148
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
948 PM EDT WED OCT 1 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...29.3 INCH LOW PRESSURE ACROSS NORTHERN MANITOBA WILL
PUSH A TROUGH AVERAGING 29.8 INCHES NEAR WESTERN LAKE SUPERIOR
OVERNIGHT. LOOK FOR THE CANADIAN LOW TO SLIDE INTO HUDSON BAY ON
THURSDAY. A 29.7 INCH LOW PRESSURE SYSTEM OVER THE CENTRAL PLAINS
THURSDAY MORNING WILL RIDE UP ALONG THE TROUGH...AND DEEPEN TO 29.4
INCHES OVER WESTERN LAKE SUPERIOR BY DAYBREAK FRIDAY...BEFORE EXITING
TOWARD JAMES BAY AND NORTHERN ONTARIO AT 29.1 INCHES OVER THE WEEKEND
AND INTO MONDAY. THE RESULT WITH BE A TROUGH AVERAGING 29.5 INCHES
ACROSS LAKE SUPERIOR FRIDAY THROUGH MONDAY.

LSZ162-021000-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
948 PM EDT WED OCT 1 2014 /848 PM CDT WED OCT 1 2014/

.REST OF TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS THROUGH LATE EVENING.
WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS
THAN 10 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. RAIN LIKELY. WAVES
CALM TO 2 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS THROUGH EARLY
AFTERNOON...THEN SHOWERS LIKELY BY MID AFTERNOON. WAVES BUILDING
TO 3 TO 6 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO
6 FEET.
.SATURDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES
SUBSIDING TO 3 TO 5 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. WAVES SUBSIDING
TO 2 TO 4 FEET.
.SUNDAY...WEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 3 TO
5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.MONDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES SUBSIDING TO 1 TO 3 FEET.

$$

LSZ263-021000-
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-
948 PM EDT WED OCT 1 2014

...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY
AFTERNOON...

.REST OF TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS. WAVES 1 TO 3 FEET
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTH
10 TO 20 KNOTS AFTER MIDNIGHT. RAIN. WAVES BUILDING TO 1 TO
3 FEET.
.FRIDAY...NORTHWEST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS BY MID AFTERNOON. SHOWERS LIKELY. WAVES BUILDING TO 4 TO
7 FEET.
.FRIDAY NIGHT...NORTHWEST GALES TO 35 KNOTS. RAIN SHOWERS LIKELY.
WAVES BUILDING TO 6 TO 9 FEET.
.SATURDAY...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES
SUBSIDING TO 4 TO 7 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF
RAIN SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.SUNDAY...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES BUILDING TO 3 TO 6 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.

$$

LSZ264-021000-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
948 PM EDT WED OCT 1 2014

...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY
AFTERNOON...

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS. WAVES 2 TO 4 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH LESS
THAN 10 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. RAIN. WAVES CALM TO 2 FEET.
.FRIDAY...NORTHWEST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS BY MID AFTERNOON. SHOWERS LIKELY THROUGH EARLY
AFTERNOON...THEN A CHANCE OF SHOWERS. WAVES BUILDING TO 6 TO 9 FEET.
.FRIDAY NIGHT...NORTHWEST GALES TO 40 KNOTS. A CHANCE OF RAIN
SHOWERS THROUGH MIDNIGHT...THEN RAIN SHOWERS LIKELY AFTER
MIDNIGHT. WAVES BUILDING TO 7 TO 10 FEET.
.SATURDAY...NORTHWEST GALES TO 40 KNOTS. RAIN SHOWERS LIKELY.
WAVES SUBSIDING TO 4 TO 7 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS. A CHANCE OF
RAIN SHOWERS. A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES
SUBSIDING TO 3 TO 6 FEET.
.SUNDAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO 2 TO
4 FEET...THEN BUILDING TO 3 TO 5 FEET.
.MONDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET.

$$

LSZ265-021000-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
948 PM EDT WED OCT 1 2014

...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY
AFTERNOON...

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING EAST LESS THAN
10 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES SUBSIDING
TO CALM TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. RAIN. A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST GALES TO
35 KNOTS BY MID AFTERNOON. SHOWERS LIKELY THROUGH EARLY
AFTERNOON...THEN A CHANCE OF SHOWERS BY MID AFTERNOON. WAVES
BUILDING TO 5 TO 8 FEET.
.FRIDAY NIGHT...NORTHWEST GALES TO 35 KNOTS. RAIN SHOWERS LIKELY.
WAVES BUILDING TO 6 TO 9 FEET.
.SATURDAY...NORTHWEST GALES TO 40 KNOTS. RAIN SHOWERS LIKELY.
WAVES SUBSIDING TO 5 TO 8 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS BACKING WEST
AFTER MIDNIGHT. RAIN SHOWERS LIKELY. WAVES SUBSIDING TO 3 TO
6 FEET.
.SUNDAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET...THEN BUILDING TO 2 TO 4 FEET.
.MONDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET.

$$

LSZ266-021000-
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-
948 PM EDT WED OCT 1 2014

...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY
AFTERNOON...

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS. WAVES 2 TO 4 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.
.THURSDAY NIGHT...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. RAIN AND A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS INCREASING TO GALES TO
35 KNOTS BY MID AFTERNOON. SHOWERS LIKELY THROUGH EARLY
AFTERNOON...THEN A CHANCE OF SHOWERS BY MID AFTERNOON. WAVES
BUILDING TO 6 TO 9 FEET.
.FRIDAY NIGHT...NORTHWEST GALES TO 40 KNOTS. A CHANCE OF RAIN
SHOWERS THROUGH MIDNIGHT...THEN RAIN SHOWERS LIKELY AFTER
MIDNIGHT. WAVES BUILDING TO 7 TO 10 FEET.
.SATURDAY...NORTHWEST GALES TO 40 KNOTS. RAIN SHOWERS LIKELY.
WAVES BUILDING TO 7 TO 11 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS BACKING WEST
AFTER MIDNIGHT. RAIN SHOWERS LIKELY. SNOW SHOWERS LIKELY AFTER
MIDNIGHT. WAVES SUBSIDING TO 4 TO 7 FEET.
.SUNDAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. A CHANCE OF RAIN SHOWERS.
WAVES SUBSIDING TO 3 TO 5 FEET.
.MONDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO 2 TO
4 FEET.

$$

LSZ267-021000-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
948 PM EDT WED OCT 1 2014

.REST OF TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 5 TO
15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF THUNDERSTORMS
THROUGH EARLY AFTERNOON. A CHANCE OF SHOWERS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. RAIN AND A
SLIGHT CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FEET.
.FRIDAY...SOUTH WINDS 20 TO 30 KNOTS BECOMING WEST 15 TO 25 KNOTS
BY MID AFTERNOON. SHOWERS THROUGH EARLY AFTERNOON...THEN A CHANCE
OF SHOWERS BY MID AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET...THEN
SUBSIDING TO 2 TO 4 FEET.
.FRIDAY NIGHT...WEST WINDS 20 TO 30 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. RAIN SHOWERS. WAVES BUILDING TO 7 TO 10 FEET.
.SATURDAY...NORTHWEST GALES TO 35 KNOTS. RAIN SHOWERS. WAVES
BUILDING TO 7 TO 11 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST
15 TO 25 KNOTS AFTER MIDNIGHT. RAIN SHOWERS LIKELY. WAVES
SUBSIDING TO 4 TO 7 FEET.
.SUNDAY...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES SUBSIDING TO 3 TO 5 FEET.
.MONDAY...WEST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO 2 TO
4 FEET.

$$
LSZ261-021000-
MAFOR 0203/
SUPERIOR WEST 11400 15500 11106. SLIGHT CHANCE OF RAIN SHOWERS
OVERNIGHT AND THURSDAY AFTERNOON. WAVES 1 FOOT OR LESS.

SUPERIOR NORTH CENTRAL 12420 12410 12500 11400 11306. CHANCE OF RAIN
SHOWERS OVERNIGHT. WAVES 2 TO 4 FEET OVERNIGHT. WAVES CALM TO 4
FEET.

SUPERIOR SOUTH CENTRAL 11420 13410 11400 11300 12200. CHANCE OF RAIN
SHOWERS. WAVES CALM TO 3 FEET.

SUPERIOR EAST 11320 11426 13410 13310. CHANCE OF RAIN SHOWERS. WAVES
1 TO 3 FEET.

$$

PETRO




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