Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 281315
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
915 AM EDT THU AUG 28 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...HIGH PRESSURE OF 30.2 INCHES OVER EASTERN LAKE SUPERIOR
WILL SHIFT ACROSS LAKE HURON TODAY. AS THE HIGH CONTINUES EAST INTO
THE NEW ENGLAND STATES TONIGHT AND FRIDAY...A 29.8 INCH TROUGH WILL
LIFT NORTHEAST FROM THE CENTRAL PLAINS AND ACROSS THE UPPER GREAT
LAKES REGION. THIS TROUGH WILL STALL OVER THE REGION FRIDAY NIGHT AT
29.9 INCHES...ALLOWING A 29.8 INCH LOW TO MOVE NORTHEAST ALONG IT
THROUGH NORTHERN LOWER MICHIGAN ON SATURDAY AND INTO SOUTHERN ONTARIO
ON SATURDAY NIGHT. BEHIND THE LOW...A 30.0 INCH HIGH NEAR JAMES BAY
WILL STRETCH A 29.9 INCH RIDGE SOUTHWEST OVER LAKE SUPERIOR BY SUNDAY
MORNING. AN ELONGATED LOW OF 29.5 INCHES STRETCHING FROM THE CANADIAN
PRAIRIES THROUGH THE CENTRAL PLAINS ON SATURDAY WILL LIFT NORTHEAST
THROUGH TUESDAY...SWEEPING A 29.5 INCH TROUGH ACROSS LAKE SUPERIOR ON
MONDAY.

LSZ162-282115-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
915 AM EDT THU AUG 28 2014 /815 AM CDT THU AUG 28 2014/

.REST OF TODAY...SOUTHEAST WINDS LESS THAN 10 KNOTS BECOMING EAST
5 TO 15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. PATCHY FOG. A SLIGHT
CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. AREAS OF FOG. WAVES
CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO 20 KNOTS.
AREAS OF FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
BUILDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING
TO CALM TO 2 FEET.

$$

LSZ263-282115-
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-
915 AM EDT THU AUG 28 2014

.REST OF TODAY...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES CALM
TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON. A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH AFTER
MIDNIGHT. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS. WAVES CALM TO
2 FEET.
.SATURDAY...NORTHEAST WINDS 5 TO 15 KNOTS. AREAS OF FOG. WAVES
CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. PATCHY FOG. WAVES
CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. PATCHY FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES
BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 1 TO 3 FEET.

$$

LSZ264-282115-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
915 AM EDT THU AUG 28 2014

.REST OF TODAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.FRIDAY...SOUTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. PATCHY FOG BY MID
AFTERNOON. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH AFTER
MIDNIGHT. AREAS OF FOG. A SLIGHT CHANCE OF SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 5 TO
15 KNOTS BY MID AFTERNOON. AREAS OF FOG. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST
AFTER MIDNIGHT. AREAS OF FOG. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. AREAS OF FOG. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING WEST. SHOWERS LIKELY
AND A CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 3 TO 6 FEET...
THEN SUBSIDING TO 2 TO 4 FEET.

$$

LSZ265-282115-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
915 AM EDT THU AUG 28 2014

.REST OF TODAY...SOUTH WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES
BUILDING TO 1 TO 3 FEET.
.FRIDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH AFTER
MIDNIGHT. A SLIGHT CHANCE OF THUNDERSTORMS THROUGH MIDNIGHT. A
CHANCE OF SHOWERS. PATCHY FOG AFTER MIDNIGHT. WAVES SUBSIDING TO
CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. PATCHY FOG. A CHANCE OF SHOWERS. WAVES
CALM TO 2 FEET.
.SATURDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. PATCHY FOG. WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 15 TO 25 KNOTS.
WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING WEST. SHOWERS LIKELY
AND A CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 3 TO 5 FEET...
THEN SUBSIDING TO 1 TO 3 FEET.

$$

LSZ266-282115-
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-
915 AM EDT THU AUG 28 2014

.REST OF TODAY...SOUTH WINDS LESS THAN 10 KNOTS BECOMING
SOUTHEAST 5 TO 15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES
BUILDING TO 1 TO 3 FEET.
.FRIDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. PATCHY FOG BY MID AFTERNOON.
WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING NORTH AFTER
MIDNIGHT. AREAS OF FOG. SHOWERS LIKELY THROUGH MIDNIGHT...THEN A
CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS. WAVES BUILDING
TO 2 TO 4 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. AREAS OF FOG. A CHANCE OF SHOWERS.
WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHEAST
5 TO 15 KNOTS AFTER MIDNIGHT. AREAS OF FOG. WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS. AREAS OF FOG. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING WEST. SHOWERS
LIKELY. A CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 3 TO
6 FEET...THEN SUBSIDING TO 2 TO 4 FEET.

$$

LSZ267-282115-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
915 AM EDT THU AUG 28 2014

.REST OF TODAY...WEST WINDS LESS THAN 10 KNOTS BACKING EAST BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH
5 TO 15 KNOTS AFTER MIDNIGHT. AREAS OF FOG. SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS. AREAS OF FOG. SHOWERS
LIKELY THROUGH EARLY AFTERNOON...THEN A CHANCE OF SHOWERS. WAVES
CALM TO 2 FEET.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. A CHANCE OF SHOWERS THROUGH MIDNIGHT. AREAS OF
FOG. WAVES CALM TO 2 FEET.
.SUNDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS. AREAS OF FOG. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS. SHOWERS LIKELY. A CHANCE OF THUNDERSTORMS. WAVES BUILDING
TO 2 TO 4 FEET.

$$
LSZ261-282115-
MAFOR 2815/
SUPERIOR WEST 11300 11200 13210 13310. SLIGHT CHANCE OF RAIN SHOWERS
OVERNIGHT THROUGH FRIDAY MORNING. WAVES 2 FEET OR LESS.

SUPERIOR NORTH CENTRAL 11400 13310 11320 13420. SLIGHT CHANCE OF
RAIN SHOWERS FRIDAY MORNING. WAVES 3 FEET OR LESS.

SUPERIOR SOUTH CENTRAL 11300 11310 13320 12420 11320. SLIGHT CHANCE
OF RAIN SHOWERS OVERNIGHT. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS FRIDAY MORNING. WAVES 3 FEET OR LESS.

SUPERIOR EAST 11500 11400 11300 12310 12410 11310. CHANCE OF RAIN
SHOWERS FRIDAY MORNING. WAVES 2 FEET OR LESS.

$$

KF





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