Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 150137
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
937 PM EDT SUN SEP 14 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A LOW PRESSURE TROUGH AVERAGING 30.0 INCHES WILL MOVE
EAST ACROSS LAKE SUPERIOR TONIGHT. BEHIND THE TROUGH...HIGH PRESSURE
OVER 30.10 INCHES WILL SPREAD ACROSS THE WESTERN GREAT LAKES
MONDAY...THEN SETTLE INTO THE LOWER GREAT LAKES ON TUESDAY. ANOTHER
TROUGH OF 30.0 INCHES WILL CROSS LAKE SUPERIOR LATE TUESDAY INTO
TUESDAY NIGHT. HIGH PRESSURE OF 30.2 INCHES WILL THEN BUILD ACROSS
NORTHERN ONTARIO AND THE UPPER GREAT LAKES THROUGH THURSDAY BEFORE
ANOTHER COLD FRONT APPROACHES LAKE SUPERIOR FROM THE WEST ON FRIDAY.

LSZ162-150945-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
937 PM EDT SUN SEP 14 2014 /837 PM CDT SUN SEP 14 2014/

.REST OF TONIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES 2 TO 4 FEET
SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.TUESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS. WAVES 2 TO 4 FEET.
.WEDNESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
1 TO 3 FEET.
.THURSDAY...EAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO
1 TO 3 FEET.

$$

LSZ263-150945-
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-
937 PM EDT SUN SEP 14 2014

.REST OF TONIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15
KNOTS AFTER MIDNIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET...THEN
BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 3 TO
5 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING
TO CALM TO 2 FEET...THEN BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS. WAVES 2 TO 4 FEET.
.WEDNESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
1 TO 3 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 2 TO 4 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 3 TO 5 FEET.

$$

LSZ264-150945-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
937 PM EDT SUN SEP 14 2014

.REST OF TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST. WAVES
3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 3 TO
5 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST BY MID
AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING
TO 2 TO 4 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
BUILDING TO 2 TO 4 FEET.
.FRIDAY...SOUTH WINDS 15 TO 25 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 3 TO 6 FEET.

$$

LSZ265-150945-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
937 PM EDT SUN SEP 14 2014

.REST OF TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST.
WAVES 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES 2 TO 4 FEET.
.WEDNESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
BUILDING TO 2 TO 4 FEET.
.FRIDAY...SOUTH WINDS 15 TO 25 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 3 TO 5 FEET.

$$

LSZ266-150945-
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-
937 PM EDT SUN SEP 14 2014

.REST OF TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST.
ISOLATED SHOWERS ENDING. WAVES 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3
FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING
TO 2 TO 4 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING NORTH BY MID
AFTERNOON. WAVES 2 TO 4 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
BUILDING TO 2 TO 4 FEET.
.FRIDAY...SOUTH WINDS 15 TO 25 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 3 TO 6 FEET.

$$

LSZ267-150945-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
937 PM EDT SUN SEP 14 2014

.REST OF TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST
AFTER MIDNIGHT. ISOLATED SHOWERS ENDING. WAVES CALM TO 2 FEET BUILDING TO
1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS. WAVES 2 TO 4 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING
TO 1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
BUILDING TO 1 TO 3 FEET.
.FRIDAY...SOUTH WINDS 15 TO 25 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 3 TO 6 FEET.

$$
LSZ261-150945-
MAFOR 1503/
SUPERIOR WEST 11620 12610 11710 11610 13620. WAVES 1 TO 3 FEET.

SUPERIOR NORTH CENTRAL 10520 12620 13610 13620. WAVES 2 TO 4 FEET.

SUPERIOR SOUTH CENTRAL 11520 12620 11710 12610 12620. WAVES 1 TO 4 FEET.

SUPERIOR EAST 11520 15620 11620. ISOLATED SHOWERS ENDING THIS EVENING. WAVES
1 TO 4 FEET.

$$

MRD




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