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000
FZUS63 KMQT 181339
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
939 AM EDT SAT MAY 18 2013

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...HIGH PRESSURE OF 30.3 INCHES EXPANDING ACROSS QUEBEC AND
INTO THE GREAT LAKES REGION WILL SLOWLY MOVE SOUTHEAST THROUGH SUNDAY
AS 29.5 INCH LOW PRESSURE DEVELOPING IN THE CENTRAL HIGH PLAINS
DRIFTS NORTHEASTWARD TO THE UPPER MISSISSIPPI VALLEY BY SUNDAY NIGHT.
THE LOW WILL SLOWLY WEAKEN AS IT DRIFTS ACROSS THE UPPER GREAT LAKES
THROUGH THURSDAY. AT THE SAME TIME....HIGH PRESSURE OF 30.4 INCHES
WILL BUILD SOUTHWARD INTO NORTHERN MANITOBA AND NORTHERN ONTARIO.

LSZ162-182145-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
939 AM EDT SAT MAY 18 2013 /839 AM CDT SAT MAY 18 2013/

.REST OF TODAY...EAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST
10 TO 20 KNOTS BY MID AFTERNOON. NUMEROUS RAIN SHOWERS AND
SCATTERED THUNDERSTORMS. WAVES CALM TO 2 FEET BUILDING TO 1 TO
3 FEET.
.TONIGHT...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS AFTER MIDNIGHT. SCATTERED RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS
THROUGH EARLY AFTERNOON. RAIN SHOWERS LIKELY BY MID AFTERNOON.
A SLIGHT CHANCE OF THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. RAIN SHOWERS AND A CHANCE OF
THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...NORTHEAST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS BY MID AFTERNOON. RAIN SHOWERS AND A CHANCE OF
THUNDERSTORMS. WAVES BUILDING TO 5 TO 8 FEET.
.MONDAY NIGHT...NORTHEAST WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. RAIN SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. WAVES BUILDING TO 6 TO 9 FEET...THEN SUBSIDING
TO 4 TO 7 FEET.
.TUESDAY...NORTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ263-182145-
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 SAT MAY 18 2013

.REST OF TODAY...EAST WINDS 5 TO 15 KNOTS. SCATTERED SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET BUILDING TO 1 TO 3 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. NUMEROUS RAIN SHOWERS THROUGH MIDNIGHT. SCATTERED
RAIN SHOWERS AFTER MIDNIGHT. A SLIGHT CHANCE OF THUNDERSTORMS.
WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. A CHANCE OF RAIN SHOWERS THROUGH EARLY AFTERNOON.
RAIN SHOWERS LIKELY BY MID AFTERNOON. A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS. RAIN SHOWERS AND
A CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 3 TO 5 FEET.
.MONDAY...NORTHEAST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS BY MID AFTERNOON. RAIN SHOWERS AND A CHANCE OF
THUNDERSTORMS. WAVES BUILDING TO 5 TO 8 FEET.
.MONDAY NIGHT...NORTHEAST WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. RAIN SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. WAVES BUILDING TO 5 TO 9 FEET.
.TUESDAY...NORTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET...THEN BUILDING TO 2 TO 4 FEET.

$$

LSZ264-182145-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
939 AM EDT SAT MAY 18 2013

.REST OF TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS BY MID AFTERNOON. SCATTERED SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET BUILDING TO 2 TO 4 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. NUMEROUS RAIN SHOWERS
THROUGH MIDNIGHT. SCATTERED RAIN SHOWERS AFTER MIDNIGHT. A SLIGHT
CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 3 TO 5 FEET...THEN
SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. WAVES SUBSIDING TO CALM TO
2 FEET.
.SUNDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. RAIN SHOWERS AND A
CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 3 TO 5 FEET.
.MONDAY...EAST WINDS 15 TO 25 KNOTS BECOMING NORTHEAST 20 TO
30 KNOTS BY MID AFTERNOON. RAIN SHOWERS AND A CHANCE OF
THUNDERSTORMS. WAVES BUILDING TO 4 TO 8 FEET.
.MONDAY NIGHT...NORTHEAST WINDS 20 TO 30 KNOTS. RAIN SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 5 TO
9 FEET.
.TUESDAY...EAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING
TO 1 TO 3 FEET...THEN BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET...THEN BUILDING TO 2 TO 4 FEET.

$$

LSZ265-182145-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
939 AM EDT SAT MAY 18 2013

.REST OF TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS BY MID AFTERNOON. NUMEROUS RAIN SHOWERS AND
SCATTERED THUNDERSTORMS. WAVES CALM TO 2 FEET BUILDING TO 1 TO
3 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. SCATTERED RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN
SHOWERS THROUGH MIDNIGHT. A CHANCE OF THUNDERSTORMS. RAIN SHOWERS
LIKELY AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...EAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
BY MID AFTERNOON. RAIN SHOWERS AND A CHANCE OF THUNDERSTORMS.
WAVES BUILDING TO 4 TO 7 FEET.
.MONDAY NIGHT...NORTHEAST WINDS 15 TO 25 KNOTS VEERING EAST AFTER
MIDNIGHT. RAIN SHOWERS AND A CHANCE OF THUNDERSTORMS. WAVES
BUILDING TO 4 TO 8 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 2 TO 4 FEET.

$$

LSZ266-182145-
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 SAT MAY 18 2013

.REST OF TODAY...SOUTHEAST WINDS 10 TO 20 KNOTS. SCATTERED RAIN
SHOWERS BY LATE MORNING. SCATTERED THUNDERSTORMS. NUMEROUS RAIN
SHOWERS BY MID AFTERNOON. WAVES CALM TO 2 FEET BUILDING TO 2 TO
4 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH AFTER
MIDNIGHT. SCATTERED RAIN SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING EAST AFTER
MIDNIGHT. A CHANCE OF RAIN SHOWERS THROUGH MIDNIGHT. RAIN SHOWERS
LIKELY AFTER MIDNIGHT. A CHANCE OF THUNDERSTORMS. WAVES BUILDING TO
1 TO 3 FEET.
.MONDAY...EAST WINDS 15 TO 25 KNOTS. RAIN SHOWERS AND A CHANCE OF
THUNDERSTORMS. WAVES BUILDING TO 4 TO 7 FEET.
.MONDAY NIGHT...EAST WINDS 15 TO 25 KNOTS. RAIN SHOWERS AND A
CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 4 TO 8 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET...THEN BUILDING TO 2 TO 4 FEET.

$$

LSZ267-182145-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
939 AM EDT SAT MAY 18 2013

.REST OF TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST BY
MID AFTERNOON. SCATTERED SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. SCATTERED RAIN
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE
OF RAIN SHOWERS THROUGH MIDNIGHT. RAIN SHOWERS LIKELY AFTER MIDNIGHT
WITH A CHANCE OF THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY...EAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
BY MID AFTERNOON. RAIN SHOWERS AND A CHANCE OF THUNDERSTORMS.
WAVES BUILDING TO 3 TO 5 FEET.
.MONDAY NIGHT...EAST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. RAIN SHOWERS AND A CHANCE OF
THUNDERSTORMS. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO
2 TO 4 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST 10 TO
20 KNOTS. WAVES BUILDING TO 1 TO 3 FEET.

$$
LSZ261-182145-
MAFOR 1815/

SUPERIOR WEST 11226 11216 11120 11236 11220 11320 11310 11200.
SCATTERED RAIN SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FEET.

SUPERIOR NORTH CENTRAL 13320 11326 11330 11420 11320 11300. ISOLATED
RAIN SHOWERS BECOMING SCATTERED OVERNIGHT. SCATTERED THUNDERSTORMS
OVERNIGHT. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
SUNDAY MORNING. WAVES 1 TO 5 FEET.

SUPERIOR SOUTH CENTRAL 13326 13320 12410. SCATTERED RAIN SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FEET.

SUPERIOR EAST 15320 11420 11410. SCATTERED RAIN SHOWERS AND
THUNDERSTORM. ISOLATED RAIN SHOWERS SUNDAY MORNING. WAVES 1 TO 3
FEET.

$$

MCD