Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 300803
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
403 AM EDT SAT AUG 30 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.7 INCH LOW FROM CENTRAL WISCONSIN TO WESTERN UPPER
MICHIGAN WILL REACH EASTERN UPPER MICHIGAN BY THIS EVENING AND MOVE
INTO QUEBEC ON SUNDAY. A WEAK 29.9 INCH RIDGE WILL THEN CROSS LAKE
SUPERIOR TONIGHT INTO SUNDAY. SUNDAY EVENING...A TROUGH AVERAGING
29.5 INCHES WILL STRETCH FROM NORTHERN SASKATCHEWAN THROUGH THE
DAKOTAS 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.

LSZ162-301615-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
403 AM EDT SAT AUG 30 2014 /303 AM CDT SAT AUG 30 2014/

.EARLY THIS MORNING...NORTHEAST WINDS LESS THAN 10 KNOTS. AREAS
OF FOG. ISOLATED SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...NORTH WINDS 5 TO 15 KNOTS VEERING EAST BY MID AFTERNOON.
PATCHY FOG. ISOLATED SHOWERS THROUGH EARLY AFTERNOON. WAVES CALM
TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. AREAS OF FOG. WAVES
CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. AREAS OF FOG IN THE MORNING. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS BY MID AFTERNOON. WAVES BUILDING TO 2 TO 4
FEET.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. AREAS OF FOG. A CHANCE
OF SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT. SHOWERS AND
THUNDERSTORMS LIKELY AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO
2 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST BY MID
AFTERNOON. SHOWERS AND THUNDERSTORMS LIKELY THROUGH EARLY
AFTERNOON. AREAS OF FOG. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. 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.

$$

LSZ263-301615-
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-
403 AM EDT SAT AUG 30 2014

.EARLY THIS MORNING...NORTH WINDS 5 TO 15 KNOTS. AREAS OF FOG.
ISOLATED SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH BY MID
AFTERNOON. PATCHY FOG. ISOLATED SHOWERS THROUGH EARLY AFTERNOON.
WAVES BUILDING TO 1 TO 3 FEET.
.TONIGHT...NORTH WINDS LESS THAN 10 KNOTS BECOMING EAST 5 TO
15 KNOTS AFTER MIDNIGHT. AREAS OF FOG. WAVES SUBSIDING TO CALM TO
2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. AREAS OF FOG IN THE MORNING. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3
FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH MIDNIGHT. SHOWERS AND THUNDERSTORMS LIKELY
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO 25 KNOTS
BY MID AFTERNOON. SHOWERS AND THUNDERSTORMS THROUGH EARLY
AFTERNOON. AREAS OF FOG. WAVES BUILDING TO 3 TO 5 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

$$

LSZ264-301615-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
403 AM EDT SAT AUG 30 2014

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

$$

LSZ265-301615-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
403 AM EDT SAT AUG 30 2014

.EARLY THIS MORNING...NORTH WINDS 5 TO 15 KNOTS. PATCHY FOG.
SCATTERED SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES
CALM TO 2 FEET.
.TODAY...NORTH WINDS 10 TO 20 KNOTS. AREAS OF FOG. SCATTERED SHOWERS.
A SLIGHT CHANCE OF THUNDERSTORMS THROUGH EARLY AFTERNOON. WAVES
BUILDING TO 2 TO 4 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. ISOLATED SHOWERS THROUGH MIDNIGHT. AREAS
OF FOG. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...EAST WINDS LESS THAN 10 KNOTS BECOMING SOUTHEAST 5 TO
15 KNOTS BY MID AFTERNOON. AREAS OF FOG IN THE MORNING. WAVES
BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO
1 TO 3 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. PATCHY FOG. SHOWERS AND THUNDERSTORMS. WAVES BUILDING
TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN
BUILDING TO 1 TO 3 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.

$$

LSZ266-301615-
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-
403 AM EDT SAT AUG 30 2014

.EARLY THIS MORNING...SOUTHWEST WINDS 5 TO 15 KNOTS SHIFTING NORTH.
PATCHY FOG. SCATTERED SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.
WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TODAY...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. AREAS OF FOG. SHOWERS THROUGH EARLY AFTERNOON.
SCATTERED SHOWERS BY MID AFTERNOON. A SLIGHT CHANCE OF THUNDERSTORMS.
WAVES BUILDING TO 2 TO 4 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. AREAS OF FOG. SCATTERED SHOWERS. WAVES
BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST BY MID
AFTERNOON. AREAS OF FOG IN THE MORNING. WAVES SUBSIDING TO CALM TO 2
FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. AREAS OF FOG. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. AREAS OF FOG. SHOWERS AND THUNDERSTORMS LIKELY. WAVES
BUILDING TO 3 TO 5 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. PATCHY FOG THROUGH MIDNIGHT. WAVES
SUBSIDING TO 2 TO 4 FEET...THEN BUILDING TO 3 TO 5 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.

$$

LSZ267-301615-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
403 AM EDT SAT AUG 30 2014

.EARLY THIS MORNING...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG.
SCATTERED SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1
TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TODAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO
20 KNOTS BY MID AFTERNOON. AREAS OF FOG. SHOWERS AND A CHANCE OF
THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS. AREAS OF FOG. SCATTERED
SHOWERS. WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 1 TO
3 FEET.
.SUNDAY...NORTH WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS BY MID AFTERNOON. AREAS OF FOG IN THE MORNING. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH
10 TO 20 KNOTS AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES
BUILDING TO 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS. PATCHY FOG. SHOWERS AND
THUNDERSTORMS LIKELY. WAVES BUILDING TO 3 TO 5 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. PATCHY FOG. WAVES
SUBSIDING TO 2 TO 4 FEET.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

$$

LSZ261-301615-
MAFOR 3009/
SUPERIOR WEST 11113 11810 12120 11210 11200 11400 11403. ISOLATED
RAIN SHOWERS THIS MORNING. WAVES 2 FEET OR LESS.

SUPERIOR NORTH CENTRAL 12813 13820 11810 12110. SCATTERED RAIN
SHOWERS TODAY. PATCHY FOG TONIGHT. WAVES 2 FEET OR LESS BUILDING TO
2 TO 4 FEET THIS AFTERNOON INTO TONIGHT.

SUPERIOR SOUTH CENTRAL 11710 11816 11826 13823 11813 11813. AREAS OF
FOG. SCATTERED RAIN SHOWERS THIS AFTERNOON. ISOLATED RAIN SHOWERS
TONIGHT. SLIGHT CHANCE OF THUNDERSTORMS TODAY. WAVES 2 FEET OR LESS
BUILDING TO 2 TO 4 FEET THIS AFTERNOON INTO TONIGHT.

SUPERIOR EAST 11510 11806 11116 11826 12833 12823. AREAS OF FOG.
ISOLATED RAIN SHOWERS EARLY THIS MORNING. SLIGHT CHANCE OF
THUNDERSTORMS TODAY. SCATTERED RAIN SHOWERS TONIGHT. WAVES 1 TO 4
FEET.

$$

JLA







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