Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZUS63 KMQT 091409
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1009 AM EDT WED JUL 9 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.2 INCH LOW PRESSURE SYSTEM OVER QUEBEC WILL EXIT
NORTHEAST TODAY AS 30.0 INCH HIGH PRESSURE PUSHES IN FROM THE WEST.
LOOK FOR THE HIGH PRESSURE SYSTEM TO BUILD TO 30.2 INCHES ON
THURSDAY...BEFORE SLOWLY EXITING TO THE NEW ENGLAND STATES LATE
THURSDAY THROUGH FRIDAY. 29.4 INCH LOW PRESSURE OVER NORTHERN
MANITOBA THURSDAY NIGHT IS EXPECTED TO SHIFT OVER HUDSON BAY...AND
ACROSS ONTARIO ON SUNDAY. THIS WILL ALLOW A TROUGH AVERAGING 29.8
INCHES TO CROSS THE UPPER GREAT LAKES LATE FRIDAY NIGHT THAT SHOULD
DEEPEN TO 29.7 INCHES ON SUNDAY.

LSZ162-092215-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1009 AM EDT WED JUL 9 2014 /909 AM CDT WED JUL 9 2014/

.REST OF TODAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS LESS THAN 10 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTH WINDS LESS THAN 10 KNOTS BECOMING EAST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS
THAN 10 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. A CHANCE OF SHOWERS. PATCHY FOG BY MID AFTERNOON.
WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS. PATCHY FOG. WAVES CALM TO
2 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS.
A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ263-092215-
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-
1009 AM EDT WED JUL 9 2014

.REST OF TODAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS LESS THAN 10 KNOTS BECOMING EAST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. A CHANCE OF SHOWERS. PATCHY FOG BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST AFTER
MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST. PATCHY
FOG. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. WAVES CALM
TO 2 FEET.

$$

LSZ264-092215-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1009 AM EDT WED JUL 9 2014

.REST OF TODAY...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. PATCHY FOG BY MID AFTERNOON. WAVES CALM TO
2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST AFTER
MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS. PATCHY FOG. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE
OF RAIN SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ265-092215-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1009 AM EDT WED JUL 9 2014

.REST OF TODAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS LESS THAN 10 KNOTS BECOMING EAST
10 TO 20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST. PATCHY
FOG. WAVES CALM TO 2 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS.
WAVES CALM TO 2 FEET.

$$

LSZ266-092215-
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-
1009 AM EDT WED JUL 9 2014

.REST OF TODAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
5 TO 15 KNOTS BY MID AFTERNOON. ISOLATED RAIN SHOWERS THROUGH EARLY
AFTERNOON. WAVES 1 TO 3 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.THURSDAY...SOUTHWEST WINDS LESS THAN 10 KNOTS BECOMING SOUTHEAST
5 TO 15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS. A
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST. PATCHY
FOG. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST. A CHANCE OF
RAIN SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ267-092215-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1009 AM EDT WED JUL 9 2014

.REST OF TODAY...WEST WINDS 10 TO 20 KNOTS. ISOLATED RAIN SHOWERS
BY LATE MORNING. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.THURSDAY...WEST WINDS LESS THAN 10 KNOTS BECOMING EAST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. A CHANCE
OF SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS. PATCHY FOG. A CHANCE OF
RAIN SHOWERS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST. A CHANCE OF
RAIN SHOWERS. WAVES CALM TO 2 FEET.

$$
LSZ261-092215-
MAFOR 0915/

SUPERIOR WEST 11610 12510 12500 12600 11400. WAVES 2 FEET OR LESS.

SUPERIOR NORTH CENTRAL 13610 11620 13610 11500. WAVES 1 TO 2 FEET.

SUPERIOR SOUTH CENTRAL 11610 11710 13610 12600 11500. WAVES 3 FEET OR
LESS.

SUPERIOR EAST 13610 11620 11720 13600. WAVES 1 TO 4 FEET.

$$

MCD







USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.