Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 261349
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
949 AM EDT SAT JUL 26 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...LOOK FOR HIGH PRESSURE OF 30.0 INCHES OVER THE EASTERN
SEABOARD TO DRIFT OFFSHORE THROUGH EARLY AFTERNOON WHILE LOW
PRESSURE OF 29.4 INCHES OVER SOUTHERN SASKATCHEWAN SHIFTS
EASTWARD...REACHING THE UPPER GREAT LAKES TONIGHT. THIS LOW WILL
REACH THE EASTERN GREAT LAKES SUNDAY EVENING AND THEN LIFT INTO THE
NORTHEAST STATES THROUGH MONDAY AFTERNOON WHILE WEAKENING TO 29.6
INCHES. HIGH PRESSURE OF 30.2 INCHES THEN BUILDS ACROSS THE PLAINS
INTO THE MISSISSIPPI VALLEY BY WEDNESDAY. A WEAK 29.9 INCH TROUGH
TRACKS SOUTHWARD ACROSS THE UPPER GREAT LAKES FROM NORTHERN ONTARIO
TUESDAY NIGHT INTO WEDNESDAY.

LSZ162-262200-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
949 AM EDT SAT JUL 26 2014 /849 AM CDT SAT JUL 26 2014/

.REST OF TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH
EARLY AFTERNOON. ISOLATED SHOWERS AND THUNDERSTORMS BY MID AFTERNOON.
WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST AFTER
MIDNIGHT. AREAS OF FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KNOTS. AREAS OF FOG THROUGH
EARLY AFTERNOON. SHOWERS AND THUNDERSTORMS LIKELY THROUGH EARLY
AFTERNOON...THEN A CHANCE OF SHOWERS. WAVES BUILDING TO 4 TO 7
FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.MONDAY...NORTHEAST WINDS LESS THAN 10 KNOTS VEERING SOUTHWEST BY
MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ263-262200-
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-
949 AM EDT SAT JUL 26 2014

.REST OF TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH
EARLY AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS. AREAS OF FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT...THEN SHOWERS LIKELY.
WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING NORTH BY MID
AFTERNOON. AREAS OF FOG THROUGH EARLY AFTERNOON. RAIN SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS THROUGH EARLY AFTERNOON...
THEN A CHANCE OF SHOWERS. WAVES BUILDING TO 4 TO 7 FEET...THEN
SUBSIDING TO 2 TO 4 FEET.
.SUNDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO
1 TO 3 FEET.
.MONDAY...NORTH WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF THUNDERSTORMS.
A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ264-262200-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
949 AM EDT SAT JUL 26 2014

.REST OF TODAY...WEST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH EARLY
AFTERNOON. ISOLATED SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
AFTER MIDNIGHT. AREAS OF FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING NORTH BY MID
AFTERNOON. AREAS OF FOG THROUGH EARLY AFTERNOON. RAIN SHOWERS
LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS THROUGH EARLY
AFTERNOON...THEN A SLIGHT CHANCE OF SHOWERS. WAVES BUILDING TO 2 TO
4 FEET.
.SUNDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
1 TO 3 FEET.
.MONDAY...NORTH WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A CHANCE
OF THUNDERSTORMS. A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ265-262200-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
949 AM EDT SAT JUL 26 2014

.REST OF TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH
EARLY AFTERNOON. ISOLATED SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2
FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS. AREAS OF FOG. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT...THEN SHOWERS
LIKELY. WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS 10 TO 20 KNOTS BACKING NORTH BY MID
AFTERNOON. AREAS OF FOG THROUGH EARLY AFTERNOON. RAIN SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS THROUGH EARLY AFTERNOON...
THEN A CHANCE OF SHOWERS. WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.MONDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.WEDNESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES
CALM TO 2 FEET.

$$

LSZ266-262200-
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-
949 AM EDT SAT JUL 26 2014

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

$$

LSZ267-262200-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
949 AM EDT SAT JUL 26 2014

.REST OF TODAY...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST BY MID
AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. SCATTERED SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH AFTER
MIDNIGHT. AREAS OF FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.SUNDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO
20 KNOTS BY MID AFTERNOON. AREAS OF FOG THROUGH EARLY AFTERNOON.
RAIN SHOWERS LIKELY...WITH A SLIGHT CHANCE OF THUNDERSTORMS THROUGH
EARLY AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF THUNDERSTORMS. A
CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST. WAVES
CALM TO 2 FEET.

$$
LSZ261-262200-
MAFOR 2615/
SUPERIOR WEST 11610 12510 11300 11210 11120 11126 11139. PATCHY FOG
THROUGH EARLY THIS AFTERNOON. SCATTERED SHOWERS AND THUNDERSTORMS
TONIGHT. AREAS OF FOG TONIGHT THROUGH SUNDAY. WAVES 1 TO 4 FEET.

SUPERIOR NORTH CENTRAL 12610 11710 12200 11210 11110 11129. ISOLATED
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. AREAS OF FOG TONIGHT
THROUGH SUNDAY. CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES
CALM TO 3 FEET.

SUPERIOR SOUTH CENTRAL 12610 11700 11200 11300 11213 11216 11229.
ISOLATED SHOWERS AND THUNDERSTORMS THIS AFTERNOON. AREAS OF FOG
TONIGHT THROUGH SUNDAY. SCATTERED SHOWERS AND THUNDERSTORMS
OVERNIGHT. WAVES CALM TO 2 FEET.

SUPERIOR EAST 11400 11500 11600 12700 11803 11103 11123. SCATTERED
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. AREAS OF FOG TONIGHT
THROUGH SUNDAY. ISOLATED SHOWERS AND THUNDERSTORMS OVERNIGHT.
SCATTERED SHOWERS AND THUNDERSTORMS SUNDAY MORNING. WAVES CALM TO 2
FEET.

$$

KEC





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