Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 282003
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
403 PM EDT SUN JUN 28 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A LOW PRESSURE TROUGH AVERAGING 29.7 INCHES WILL MOVE
INTO THE LOWER GREAT LAKES LATE TONIGHT. ANOTHER LOW PRESSURE TROUGH
OF 29.7 INCHES WILL SAG SOUTHWARD OUT OF ONTARIO ACROSS LAKE SUPERIOR
ON MONDAY. A 30.0 INCH AREA OF HIGH PRESSURE OVER CENTRAL CANADA WILL
THEN BUILD BACK INTO THE GREAT LAKES ON TUESDAY AND PERSIST THROUGH
THURSDAY. BY FRIDAY...A LOW PRESSURE TROUGH OF 29.8 INCHES WILL BEGIN
TO PUSH INTO THE UPPER GREAT LAKES FROM ONTARIO.

LSZ162-290415-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
403 PM EDT SUN JUN 28 2015

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS. PATCHY FOG.
SCATTERED SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. PATCHY FOG. SCATTERED SHOWERS AND THUNDERSTORMS. WAVES
CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH AFTER
MIDNIGHT. PATCHY FOG. A CHANCE OF THUNDERSTORMS THROUGH MIDNIGHT.
A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. PATCHY FOG. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST LESS
THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS LESS THAN 10 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTHWEST.
WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ263-290415-
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-
403 PM EDT SUN JUN 28 2015

.LATE THIS AFTERNOON...SOUTH WINDS LESS THAN 10 KNOTS. PATCHY
FOG. ISOLATED SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. PATCHY FOG. ISOLATED SHOWERS AND THUNDERSTORMS. WAVES
CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTH AFTER
MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS LESS THAN 10 KNOTS BACKING NORTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS LESS THAN 10 KNOTS BACKING SOUTH BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ264-290415-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
403 PM EDT SUN JUN 28 2015

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS. PATCHY FOG.
ISOLATED SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. PATCHY FOG. ISOLATED SHOWERS AND THUNDERSTORMS. WAVES
CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS LESS THAN 10 KNOTS BECOMING
NORTHEAST 5 TO 15 KNOTS AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF RAIN SHOWERS
THROUGH EARLY AFTERNOON. PATCHY FOG. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS LESS THAN 10 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...NORTHWEST WINDS LESS THAN 10 KNOTS BECOMING SOUTH
5 TO 15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES CALM
TO 2 FEET.

$$

LSZ265-290415-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
403 PM EDT SUN JUN 28 2015

.LATE THIS AFTERNOON...EAST WINDS 5 TO 15 KNOTS. ISOLATED SHOWERS
AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. ISOLATED SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST LESS
THAN 10 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTH LESS
THAN 10 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND
THUNDERSTORMS. PATCHY FOG AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...NORTH WINDS 5 TO 15 KNOTS. PATCHY FOG. A SLIGHT CHANCE
OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES
CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ266-290415-
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-
403 PM EDT SUN JUN 28 2015

.LATE THIS AFTERNOON...EAST WINDS 5 TO 15 KNOTS. ISOLATED SHOWERS
AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS LESS THAN 10 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. PATCHY FOG. ISOLATED SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. PATCHY FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST
AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH BY MID
AFTERNOON. PATCHY FOG. A CHANCE OF RAIN SHOWERS. WAVES BUILDING
TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES
CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ267-290415-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
403 PM EDT SUN JUN 28 2015

.LATE THIS AFTERNOON...EAST WINDS LESS THAN 10 KNOTS. WAVES CALM
TO 2 FEET.
.TONIGHT...EAST WINDS LESS THAN 10 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST LESS
THAN 10 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS
AND THUNDERSTORMS. PATCHY FOG AFTER MIDNIGHT. WAVES CALM TO
2 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTH BY MID
AFTERNOON. PATCHY FOG. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES CALM TO
2 FEET.
.FRIDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES CALM
TO 2 FEET.

$$

LSZ261-290415-
MAFOR 2821/
SUPERIOR WEST 12300 11400 13500 12510. PATCHY FOG. SCATTERED SHOWERS
AND THUNDERSTORMS THIS EVENING...THEN A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. WAVES 1 FOOT OR LESS.

SUPERIOR NORTH CENTRAL 13400 12500 13510. PATCHY FOG. ISOLATED
THUNDERSTORMS AFTER MIDNIGHT TONIGHT. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS MONDAY. WAVES 1 FOOT OR LESS.

SUPERIOR SOUTH CENTRAL 11200 11300 13400 11500 11400 11300.
CHANCE OF SHOWERS AND THUNDERSTORMS LATE MONDAY. WAVES 1 FOOT OR
LESS.

SUPERIOR EAST 12200 12400 12500 12400. CHANCE OF SHOWERS AND
THUNDERSTORMS LATE MONDAY. WAVES 1 FOOT OR LESS.

$$

PETRO


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