Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 060746
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
346 AM EDT WED MAY 6 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...30.3 INCH HIGH PRESSURE OVER SOUTHEAST ONTARIO EARLY
THIS MORNING WILL SLOWLY DRIFT EAST THROUGH THURSDAY WHILE A LOW
PRESSURE TROUGH AVERAGING 29.5 INCHES DEVELOPS OVER THE PLAINS.
EXPECT A 29.4 INCH LOW PRESSURE CENTER EMERGING FROM THIS TROUGH TO
MOVE NORTHEAST INTO FAR NORTHWEST ONTARIO LATE ON THURSDAY. THIS LOW
WILL CONTINUE INTO FAR NORTHWEST QUEBEC ON FRIDAY AS IT DRAGS A COLD
FRONT ACROSS THE UPPER LAKES AHEAD OF A 30.4 INCH HIGH PRESSURE
BUILDING OVER SOUTH CENTRAL CANADA. LOOK FOR THIS HIGH TO DRIFT OVER
FAR NORTHWEST ONTARIO ON SATURDAY AND SUNDAY WHILE A 29.6 INCH LOW
PRESSURE SYSTEM DEVELOPS IN THE CENTRAL PLAINS.

LSZ162-061600-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
346 AM EDT WED MAY 6 2015

.EARLY THIS MORNING...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2
FEET.
.TODAY...NORTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. ISOLATED RAIN SHOWERS. WAVES BUILDING TO 1 TO 3
FEET.
.TONIGHT...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS AFTER MIDNIGHT. ISOLATED RAIN SHOWERS. PATCHY FOG AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS BY MID AFTERNOON. PATCHY FOG. A CHANCE OF RAIN SHOWERS.
A SLIGHT CHANCE OF THUNDERSTORMS BY MID AFTERNOON. WAVES CALM TO
2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. AREAS OF FOG. RAIN SHOWERS LIKELY THROUGH
MIDNIGHT...THEN A CHANCE OF RAIN SHOWERS. A CHANCE OF THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A
CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST. WAVES
CALM TO 2 FEET.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.

$$

LSZ263-061600-
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-
346 AM EDT WED MAY 6 2015

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

$$

LSZ264-061600-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
346 AM EDT WED MAY 6 2015

.EARLY THIS MORNING...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. PATCHY FOG AFTER
MIDNIGHT. ISOLATED RAIN SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO
1 TO 3 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. PATCHY FOG. A CHANCE
OF RAIN SHOWERS. WAVES BUILDING TO 2 TO 4 FEET.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. A
CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.
WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. AREAS OF FOG. A CHANCE OF RAIN
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST. WAVES
CALM TO 2 FEET.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ265-061600-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
346 AM EDT WED MAY 6 2015

.EARLY THIS MORNING...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS BY MID AFTERNOON. PATCHY FOG. A SLIGHT CHANCE OF
SHOWERS. WAVES BUILDING TO 2 TO 4 FEET.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS
AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES SUBSIDING TO 1 TO
3 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST BY MID
AFTERNOON. PATCHY FOG. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO
CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ266-061600-
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-
346 AM EDT WED MAY 6 2015

.EARLY THIS MORNING...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.TODAY...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH AFTER
MIDNIGHT. AREAS OF FOG AFTER MIDNIGHT. WAVES BUILDING TO 1 TO
3 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. PATCHY FOG. A SLIGHT CHANCE OF RAIN
SHOWERS. WAVES BUILDING TO 3 TO 5 FEET.
.THURSDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. PATCHY FOG AFTER MIDNIGHT. WAVES
SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST BY MID
AFTERNOON. AREAS OF FOG. A CHANCE OF RAIN SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.

$$

LSZ267-061600-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
346 AM EDT WED MAY 6 2015

.EARLY THIS MORNING...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM
TO 2 FEET.
.TODAY...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. AREAS OF FOG AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH BY MID
AFTERNOON. PATCHY FOG. WAVES BUILDING TO 1 TO 3 FEET.
.THURSDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. AREAS OF FOG. A CHANCE OF RAIN SHOWERS
AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. AREAS OF FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTH AFTER
MIDNIGHT. AREAS OF FOG THROUGH MIDNIGHT. WAVES BUILDING TO 1 TO
3 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.SUNDAY...NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST. WAVES
SUBSIDING TO CALM TO 2 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$

LSZ261-061600-
MAFOR 0609/
SUPERIOR WEST 11300 12200 11210 11110 12210 11310. WAVES 1 TO 2
FEET.

SUPERIOR NORTH CENTRAL 11400 11300 15310. WAVES 1 TO 3 FEET.

SUPERIOR SOUTH CENTRAL 12300 11310 12320 12310 11410. WAVES 1 TO
3 FEET.

SUPERIOR EAST 13300 12210 13310. WAVES 2 FEET OR LESS.

$$

KLUBER


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