Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 280204
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1004 PM EDT SAT JUN 27 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...HIGH PRESSURE OF 29.9 INCHES REMAINS ENTRENCHED ACROSS THE
UPPER GREAT LAKES THROUGH THE NIGHT. LOOK FOR A LOW PRESSURE TROUGH
AVERAGING 29.7 INCHES TO DEVELOP OVER THE WESTERN GREAT LAKES AND
UPPER MIDWEST SUNDAY. AS THIS TROUGH SINKS INTO THE LOWER GREAT
LAKES MONDAY...LOOK FOR ANOTHER 29.7 INCH LOW PRESSURE TROUGH TO
DROP THROUGH ONTARIO AND INTO THE UPPER GREAT LAKES. A 30.0 INCH HIGH
PRESSURE OVER CENTRAL CANADA WILL THEN BUILD BACK INTO THE GREAT
LAKES AND PERSIST THROUGH THURSDAY.

LSZ162-281015-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1004 PM EDT SAT JUN 27 2015

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

$$

LSZ263-281015-
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-
1004 PM EDT SAT JUN 27 2015

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH
AFTER MIDNIGHT. PATCHY FOG. WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF RAIN
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS BY MID AFTERNOON. WAVES
CALM TO 2 FEET.
.SUNDAY NIGHT...EAST WINDS LESS THAN 10 KNOTS BECOMING SOUTHWEST
5 TO 15 KNOTS AFTER MIDNIGHT. PATCHY FOG. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST BY MID
AFTERNOON. PATCHY FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH AFTER
MIDNIGHT. PATCHY FOG. A CHANCE OF THUNDERSTORMS THROUGH MIDNIGHT.
A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON.
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 SOUTHWEST. WAVES
CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ264-281015-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1004 PM EDT SAT JUN 27 2015

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH
AFTER MIDNIGHT. PATCHY FOG. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS LESS THAN 10 KNOTS BECOMING SOUTHWEST
5 TO 15 KNOTS AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF RAIN
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
WAVES CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST BY MID
AFTERNOON. PATCHY FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH
10 TO 20 KNOTS AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF
THUNDERSTORMS THROUGH MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES
CALM TO 2 FEET.
.TUESDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON.
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 SOUTHWEST. WAVES
CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ265-281015-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1004 PM EDT SAT JUN 27 2015

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A SLIGHT CHANCE OF THUNDERSTORMS THROUGH
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH AFTER
MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.TUESDAY...NORTH WINDS 10 TO 20 KNOTS. PATCHY FOG THROUGH EARLY
AFTERNOON. 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 SOUTHWEST. WAVES
CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ266-281015-
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-
1004 PM EDT SAT JUN 27 2015

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING EAST LESS THAN
10 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS LESS THAN 10 KNOTS BECOMING
SOUTHWEST 5 TO 15 KNOTS AFTER MIDNIGHT. PATCHY FOG AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS BY MID AFTERNOON. PATCHY FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...NORTH WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTH WINDS 10 TO 20 KNOTS. PATCHY FOG THROUGH EARLY
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST. WAVES
CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ267-281015-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1004 PM EDT SAT JUN 27 2015

.REST OF TONIGHT...SOUTHEAST WINDS LESS THAN 10 KNOTS BECOMING
SOUTH 5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING NORTHEAST LESS THAN
10 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS BY MID AFTERNOON. PATCHY FOG BY MID AFTERNOON. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS BY MID AFTERNOON. WAVES CALM
TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.TUESDAY...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A CHANCE OF
RAIN SHOWERS. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES
CALM TO 2 FEET.

$$
LSZ261-281015-
MAFOR 2803/
SUPERIOR WEST 11310 12300 14200 11400. CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH EARLY EVENING SUNDAY. WAVES 1 FOOT OR LESS.

SUPERIOR NORTH CENTRAL 12310 11300 12400 12300 11400. PATCHY FOG
OVERNIGHT THROUGH SUNDAY EVENING. WAVES 2 FEET OR LESS.

SUPERIOR SOUTH CENTRAL 11310 13400 11300 12200 11300. WAVES 1
FOOT OR LESS.

SUPERIOR EAST 11300 14400 11300 11200 11300. WAVES 1 FOOT OR
LESS.

$$

RJT


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