Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 010215
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1015 PM EDT TUE JUN 30 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A LOW PRESSURE TROUGH OF 29.7 INCHES OVER THE EASTERN
GREAT LAKES WILL CONTINUE MOVING EASTWARD THROUGH WEDNESDAY
MORNING. 30.0 INCH HIGH PRESSURE OVER NORTHERN ONTARIO WILL SETTLE
OVER THE UPPER GREAT LAKES WEDNESDAY INTO THURSDAY NIGHT. A LOW
PRESSURE TROUGH OF 29.6 INCHES OVER NORTHERN ONTARIO WILL THEN BRUSH
THE NORTHERN GREAT LAKES FRIDAY AFTERNOON AND EVENING. A WEAK 30.0
INCH RIDGE WILL BUILD BACK ACROSS THE UPPER GREAT LAKES ON SATURDAY
AHEAD OF 29.4 INCH LOW PRESSURE DEVELOPING OVER SOUTH CENTRAL CANADA
ON SUNDAY.

LSZ162-011015-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1015 PM EDT TUE JUN 30 2015

.REST OF TONIGHT...VARIABLE WINDS 5 TO 15 KNOTS BECOMING NORTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS LESS THAN 10 KNOTS BECOMING SOUTHEAST
5 TO 15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS
THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST. SHOWERS
AND THUNDERSTORMS LIKELY. WAVES CALM TO 2 FEET.

$$

LSZ263-011015-
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-
1015 PM EDT TUE JUN 30 2015

.REST OF TONIGHT...WEST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS
THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...WEST WINDS LESS THAN 10 KNOTS BACKING SOUTHWEST BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. WAVES
CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ264-011015-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1015 PM EDT TUE JUN 30 2015

.REST OF TONIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS LESS THAN 10 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS.
A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 1 TO
3 FEET.

$$

LSZ265-011015-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1015 PM EDT TUE JUN 30 2015

.REST OF TONIGHT...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHWEST LESS
THAN 10 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...WEST WINDS LESS THAN 10 KNOTS INCREASING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. WAVES
CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS.
A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

$$

LSZ266-011015-
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-
1015 PM EDT TUE JUN 30 2015

.REST OF TONIGHT...NORTH WINDS 5 TO 15 KNOTS. PATCHY DRIZZLE THROUGH
LATE EVENING. PATCHY FOG. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2
FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS LESS THAN 10 KNOTS BECOMING SOUTH
5 TO 15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
WAVES BUILDING TO 1 TO 3 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. WAVES
CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO
1 TO 3 FEET.

$$

LSZ267-011015-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1015 PM EDT TUE JUN 30 2015

.REST OF TONIGHT...NORTH WINDS 10 TO 20 KNOTS. PATCHY DRIZZLE
THROUGH MIDNIGHT. PATCHY FOG. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO
2 FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES BUILDING TO
1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING NORTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST.
WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET.

$$
LSZ261-011015-
MAFOR 0103/
SUPERIOR WEST 12700 11600 11500 12400 11300 11200. WAVES 1 FOOT
OR LESS.

SUPERIOR NORTH CENTRAL 12700 12800 11700 13600. WAVES 1 FOOT OR
LESS.

SUPERIOR SOUTH CENTRAL 12810 12710 12800 11700 11600. WAVES 2
FEET OR LESS.

SUPERIOR EAST 11820 13810 14710. PATCHY FOG. PATCHY DRIZZLE THROUGH
MIDNIGHT. WAVES 1 TO 3 FEET.

$$

PETRO



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