Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 031357
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
957 AM EDT FRI JUL 3 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A LOW PRESSURE TROUGH OF 29.7 INCHES JUST NORTH OF LAKE
SUPERIOR WILL WEAKEN TO 29.8 INCHES AS IT MOVES SOUTHEAST...CROSSING
LAKE SUPERIOR LATE THIS AFTERNOON AND EVENING. IN ITS WAKE...A WEAK
HIGH PRESSURE RIDGE OF 30.0 INCHES WILL BUILD OVER THE UPPER GREAT
LAKES ON SATURDAY AND THEN SHIFT TO THE EAST COAST BY LATE SUNDAY
EVENING. A LOW PRESSURE TROUGH AVERAGING 29.7 INCHES EXTENDING FROM
HUDSON BAY TO THE CENTRAL PLAINS SUNDAY AFTERNOON WILL MOVE
EAST...CROSSING THE UPPER GREAT LAKES MONDAY. AS THE TROUGH MOVES TO
THE LOWER GREAT LAKES BY LATE TUESDAY...HIGH PRESSURE OF 30.1 INCHES
WILL BUILD INTO THE UPPER GREAT LAKES.

LSZ162-032200-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
957 AM EDT FRI JUL 3 2015

.REST OF TODAY...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS BY MID AFTERNOON. ISOLATED THUNDERSTORMS THROUGH LATE
MORNING. ISOLATED SHOWERS. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2
FEET.
.TONIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT...THEN SHOWERS AND THUNDERSTORMS LIKELY. WAVES CALM TO 2
FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST. SHOWERS AND
THUNDERSTORMS LIKELY. AREAS OF FOG. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES
CALM TO 2 FEET.

$$

LSZ263-032200-
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-
957 AM EDT FRI JUL 3 2015

.REST OF TODAY...SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
5 TO 15 KNOTS BY MID AFTERNOON. ISOLATED THUNDERSTORMS THROUGH NOON.
ISOLATED SHOWERS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.SATURDAY...NORTHEAST WINDS LESS THAN 10 KNOTS BECOMING EAST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST
LESS THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT...THEN SHOWERS AND THUNDERSTORMS LIKELY. WAVES CALM TO 2
FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST. SHOWERS AND
THUNDERSTORMS LIKELY. AREAS OF FOG. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST. WAVES
CALM TO 2 FEET.

$$

LSZ264-032200-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
957 AM EDT FRI JUL 3 2015

.REST OF TODAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST
10 TO 20 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH NOON. ISOLATED
THUNDERSTORMS THROUGH NOON. ISOLATED SHOWERS. WAVES 2 TO 4 FEET.
.TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST LESS
THAN 10 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
BUILDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. SHOWERS
AND THUNDERSTORMS LIKELY. AREAS OF FOG. WAVES SUBSIDING TO CALM
TO 2 FEET.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST. WAVES CALM
TO 2 FEET.

$$

LSZ265-032200-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
957 AM EDT FRI JUL 3 2015

.REST OF TODAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS THROUGH NOON...THEN ISOLATED SHOWERS. WAVES 1 TO 3
FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST AFTER
MIDNIGHT. ISOLATED SHOWERS AND THUNDERSTORMS THIS EVENING. WAVES
CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST LESS
THAN 10 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.SUNDAY...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS. AREAS OF FOG. SHOWERS AND THUNDERSTORMS LIKELY. WAVES
SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST. WAVES
CALM TO 2 FEET.

$$

LSZ266-032200-
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-
957 AM EDT FRI JUL 3 2015

.REST OF TODAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST BY
MID AFTERNOON. SCATTERED SHOWERS THROUGH NOON...THEN ISOLATED
SHOWERS. ISOLATED THUNDERSTORMS. WAVES 2 TO 4 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. ISOLATED SHOWERS AND THUNDERSTORMS THIS EVENING. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST LESS THAN
10 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH BY MID
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS. WAVES BUILDING TO
2 TO 4 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS. AREAS OF FOG. SHOWERS AND THUNDERSTORMS LIKELY. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ267-032200-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
957 AM EDT FRI JUL 3 2015

.REST OF TODAY...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS BY MID AFTERNOON. SCATTERED SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. ISOLATED SHOWERS AND THUNDERSTORMS THIS EVENING. WAVES
CALM TO 2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
1 TO 3 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. PATCHY FOG.
SHOWERS AND THUNDERSTORMS LIKELY. WAVES SUBSIDING TO CALM TO
2 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.

$$
LSZ261-032200-
MAFOR 0315/
SUPERIOR WEST 12520 11610 11700 11100 12200 11100. WAVES 3 FEET OR
LESS.

SUPERIOR NORTH CENTRAL 11530 11520 11620 13710 12700. WAVES 1 TO
4 FEET.

SUPERIOR SOUTH CENTRAL 11520 12610 14700 11700. WAVES 3 FEET OR LESS.

SUPERIOR EAST 11520 11510 12500 11600 13700. SCATTERED SHOWERS
AND THUNDERSTORMS THROUGH THIS EVENING. WAVES 1 TO 3 FEET.

$$

KLUBER



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