Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 311346
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
946 AM EDT SUN AUG 31 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.7 INCH TROUGH CENTERED OVER SOUTHERN ONTARIO WILL
SHIFT EASTWARD TO SOUTHEAST QUEBEC BY THIS AFTERNOON...ALLOWING A
WEAK 29.9 INCH RIDGE TO CROSS LAKE SUPERIOR. THIS EVENING...A TROUGH
AVERAGING 29.5 INCHES WILL STRETCH FROM NORTHERN SASKATCHEWAN THROUGH
WESTERN MINNESOTA AND BEGIN LIFTING TO THE NORTHEAST. THE NORTHERN
EDGE OF THE TROUGH WILL STRENGTHEN TO 29.0 INCHES MONDAY NIGHT AS IT
MOVES OVER JAMES BAY. AT THE SAME TIME...A 29.6 INCH TROUGH WILL
SLIDE EAST ACROSS THE UPPER GREAT LAKES REGION. TUESDAY...THE UPPER
GREAT LAKES REGION WILL BE BETWEEN A 29.0 INCH LOW OVER HUDSON BAY
AND A 30.0 INCH HIGH OVER THE SOUTHEAST UNITED STATES.
WEDNESDAY...THE LOW OVER HUDSON BAY WILL SLIDE EASTWARD AS A WEAK
RIDGE OF 30.0 INCHES MOVES INTO THE OHIO VALLEY. BY THURSDAY...A
BROAD 29.6 INCH TROUGH WILL DEVELOP OVER THE NORTHERN AND CENTRAL
PLAINS STATES.

LSZ162-312200-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
946 AM EDT SUN AUG 31 2014 /846 AM CDT SUN AUG 31 2014/

.REST OF TODAY...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH NOON. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS BY LATE AFTERNOON. WAVES CALM TO 2 FEET
BUILDING TO 2 TO 4 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS. PATCHY FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT. SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ263-312200-
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-
946 AM EDT SUN AUG 31 2014

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

$$

LSZ264-312200-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
946 AM EDT SUN AUG 31 2014

.REST OF TODAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING SOUTH 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH MIDNIGHT...THEN SHOWERS AND THUNDERSTORMS LIKELY. PATCHY FOG
AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS BY MID AFTERNOON. AREAS OF FOG. SHOWERS AND
THUNDERSTORMS THROUGH EARLY AFTERNOON. A CHANCE OF SHOWERS AND
THUNDERSTORMS BY MID AFTERNOON. WAVES SUBSIDING TO 2 TO 4 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. PATCHY FOG. WAVES 2 TO 4 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING
TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH. WAVES
CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE OF
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.

$$

LSZ265-312200-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
946 AM EDT SUN AUG 31 2014

.REST OF TODAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST BY
MID AFTERNOON. PATCHY FOG THROUGH NOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH AFTER
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS BY MID AFTERNOON. SHOWERS AND THUNDERSTORMS LIKELY
THROUGH EARLY AFTERNOON...THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO
CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH. A
CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ266-312200-
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-
946 AM EDT SUN AUG 31 2014

.REST OF TODAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST
BY MID AFTERNOON. PATCHY FOG THROUGH NOON. WAVES 1 TO 3 FEET
SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH AFTER
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. AREAS OF FOG. SHOWERS AND THUNDERSTORMS LIKELY. WAVES
BUILDING TO 4 TO 7 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH MIDNIGHT. AREAS OF FOG. WAVES SUBSIDING TO
1 TO 3 FEET...THEN BUILDING TO 2 TO 4 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. WAVES
SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING
TO 1 TO 3 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET.

$$

LSZ267-312200-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
946 AM EDT SUN AUG 31 2014

.REST OF TODAY...NORTH WINDS 5 TO 15 KNOTS BECOMING VARIABLE LESS
THAN 10 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH NOON. WAVES 1 TO
3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. A CHANCE OF
SHOWERS AND THUNDERSTORMS LATE. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. PATCHY FOG. SHOWERS AND THUNDERSTORMS LIKELY. WAVES
BUILDING TO 3 TO 6 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH MIDNIGHT. AREAS OF FOG. WAVES SUBSIDING TO
1 TO 3 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. AREAS OF FOG THROUGH EARLY AFTERNOON. WAVES
SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. A CHANCE OF
SHOWERS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET.

$$
LSZ261-312200-
MAFOR 3115/
SUPERIOR WEST 11310 12220 11320 13429 11510. PATCHY FOG OVERNIGHT.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 1 TO 4
FEET.

SUPERIOR NORTH CENTRAL 11200 11310 13320 11330 11439 11429. CHANCE
OF SHOWERS AND THUNDERSTORMS TONIGHT. AREAS OF FOG OVERNIGHT AND
MONDAY MORNING. WAVES 1 TO 2 FEET THIS AFTERNOON BUILDING TO 3 TO 5
FEET TONIGHT AND MONDAY MORNING.

SUPERIOR SOUTH CENTRAL 11100 11310 13320 12420 11429. PATCHY FOG AND
A CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT AND MONDAY MORNING.
WAVES 1 TO 3 FEET.

SUPERIOR EAST 11810 11100 11300 11310 13320 11439. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS OVERNIGHT. PATCHY FOG OVERNIGHT AND MONDAY
MORNING. WAVES 2 FEET OR LESS THIS AFTERNOON AND TONIGHT. WAVES
BUILDING TO 2 TO 4 FEET MONDAY MORNING.

$$

KLUBER





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