Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 231339
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
939 AM EDT WED JUL 23 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...HIGH PRESSURE OF 30.2 INCHES CURRENTLY CENTERED OVER
LAKE WINNIPEG WILL MOVE OVER THE UPPER GREAT LAKES TONIGHT. THE HIGH
WILL WEAKEN TO 30.1 INCHES AS IT DRIFTS OVER THE OHIO VALLEY FRIDAY
AND MOVES OFF THE EAST COAST SATURDAY. A 29.5 INCH LOW PRESSURE
SYSTEM OVER SOUTHERN SASKATCHEWAN FRIDAY AFTERNOON WILL MOVE OVER THE
UPPER GREAT LAKES SATURDAY AFTERNOON AND NIGHT...AND REACH THE
EASTERN GREAT LAKES SUNDAY AFTERNOON.

LSZ162-232145-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
939 AM EDT WED JUL 23 2014 /839 AM CDT WED JUL 23 2014/

.REST OF TODAY...VARIABLE WINDS LESS THAN 10 KNOTS BECOMING
SOUTHWEST 5 TO 15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH
LESS THAN 10 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST. WAVES
BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

$$

LSZ263-232145-
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-
939 AM EDT WED JUL 23 2014

.REST OF TODAY...VARIABLE WINDS LESS THAN 10 KNOTS BECOMING
SOUTHWEST 5 TO 15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF
SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

$$

LSZ264-232145-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
939 AM EDT WED JUL 23 2014

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

$$

LSZ265-232145-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
939 AM EDT WED JUL 23 2014

.REST OF TODAY...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2
FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS LESS THAN 10 KNOTS BECOMING
SOUTHWEST 5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHEAST. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS. WAVES
BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.

$$

LSZ266-232145-
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-
939 AM EDT WED JUL 23 2014

.REST OF TODAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS BY MID AFTERNOON. WAVES 1 TO 3 FEET SUBSIDING TO
CALM TO 2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.
.SUNDAY...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.

$$

LSZ267-232145-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
939 AM EDT WED JUL 23 2014

.REST OF TODAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST BY
MID AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS LESS THAN 10 KNOTS INCREASING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.
.SUNDAY...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS. WAVES
BUILDING TO 1 TO 3 FEET.

$$
LSZ261-232145-
MAFOR 2315/
SUPERIOR WEST 11400 14500 11500 11600 11500. WAVES 1 FOOT OR LESS.

SUPERIOR NORTH CENTRAL 16610. WAVES 1 TO 3 FEET.

SUPERIOR SOUTH CENTRAL 11710 12700 11600 14610. WAVES 1 TO 2 FEET.

SUPERIOR EAST 11710 11610 14710 12610. WAVES CALM TO 3 FEET.

$$

KEC




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