National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZUS63 KMQT 171356
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
956 AM EDT MON JUN 17 2013

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.8 INCH TROUGH EXTENDING FROM NORTHERN MINNESOTA
THROUGH NORTHERN WISCONSIN AND SOUTH CENTRAL UPPER MICHIGAN WILL
CONTINUE TO SAG SOUTH REACHING THE LOWER GREAT LAKES THIS AFTERNOON.
BEHIND THE TROUGH A 30.1 INCH HIGH PRESSURE AREA WILL BUILD OVER LAKE
SUPERIOR THIS AFTERNOON AND LINGER OVER THE UPPER GREAT LAKES THROUGH
WEDNESDAY. THE HIGH PRESSURE RIDGE WILL EVENTUALLY EXIT SOUTHEAST
LATE WEDNESDAY NIGHT AND THURSDAY AS A 30.0 INCH TROUGH MOVES
SOUTHWARD FROM ONTARIO. 29.7 INCH LOW PRESSURE ORGANIZING OVER THE
PLAINS WILL PUSH A WARM FRONT INTO THE UPPER GREAT LAKES REGION
THURSDAY NIGHT AND FRIDAY.

LSZ162-172200-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
956 AM EDT MON JUN 17 2013 /856 AM CDT MON JUN 17 2013/

.REST OF TODAY...NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS BY MID AFTERNOON. ISOLATED RAIN SHOWERS. WAVES 1 TO
3 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...EAST WINDS LESS THAN 10 KNOTS BECOMING SOUTH 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTH WINDS LESS THAN 10 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING NORTH AFTER
MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS. WAVES
CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST LESS THAN
10 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.

$$

LSZ263-172200-
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-
956 AM EDT MON JUN 17 2013

.REST OF TODAY...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES 1 TO
3 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING WEST LESS THAN
10 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF
RAIN SHOWERS. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.

$$

LSZ264-172200-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
956 AM EDT MON JUN 17 2013

.REST OF TODAY...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...WEST WINDS LESS THAN 10 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST
AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ265-172200-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
956 AM EDT MON JUN 17 2013

.REST OF TODAY...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...NORTH WINDS LESS THAN 10 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS LESS THAN 10 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. A CHANCE
OF SHOWERS. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.

$$

LSZ266-172200-
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-
956 AM EDT MON JUN 17 2013

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

$$

LSZ267-172200-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
956 AM EDT MON JUN 17 2013

.REST OF TODAY...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH LESS
THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...WEST WINDS LESS THAN 10 KNOTS BECOMING SOUTH
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...WEST WINDS LESS THAN 10 KNOTS BACKING SOUTHEAST.
WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$
LSZ261-172200-
MAFOR 1715/
SUPERIOR WEST 12120 12110 11100 12800 11300. ISOLATED RAIN SHOWERS
THIS AFTERNOON. WAVES CALM TO 4 FEET.

SUPERIOR NORTH CENTRAL 11110 11100 13700 13600. WAVES 2 FEET OR LESS.

SUPERIOR SOUTH CENTRAL 11110 11100 12800 14700. WAVES CALM TO 2 FEET.

SUPERIOR EAST 11110 11810 12720 11810 11800 12700. WAVES 2 FEET OR
LESS.

$$

KEC