Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 141347
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
947 AM EDT THU AUG 14 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...30.2 INCH HIGH PRESSURE OVER WESTERN LAKE SUPERIOR WILL
WEAKEN TO 30.0 INCHES ACROSS ALL OF LAKE SUPERIOR TODAY...BEFORE
DIVING TO THE OHIO RIVER VALLEY TONIGHT INTO FRIDAY. 29.7 INCH LOW
PRESSURE EXTENDING FROM THE DAKOTAS THROUGH HUDSON BAY WILL SINK
ACROSS LAKE SUPERIOR SATURDAY MORNING...AND ACROSS LOWER MICHIGAN AND
LAKE HURON SATURDAY EVENING. THIS WILL ALLOW LARGE 30.1 INCH HIGH
PRESSURE OVER NORTHERN ONTARIO SATURDAY NIGHT TO PUSH ACROSS LAKE
SUPERIOR SUNDAY AFTERNOON THROUGH MONDAY...AS A 29.6 INCH TROUGH OF
LOW PRESSURE DEVELOPS OVER MANITOBA.

LSZ162-142200-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
947 AM EDT THU AUG 14 2014 /847 AM CDT THU AUG 14 2014/

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

$$

LSZ263-142200-
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-
947 AM EDT THU AUG 14 2014

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

$$

LSZ264-142200-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
947 AM EDT THU AUG 14 2014

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

$$

LSZ265-142200-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
947 AM EDT THU AUG 14 2014

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

$$

LSZ266-142200-
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-
947 AM EDT THU AUG 14 2014

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

$$

LSZ267-142200-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
947 AM EDT THU AUG 14 2014

.REST OF TODAY...NORTHWEST WINDS 15 TO 25 KNOTS. WAVES 3 TO
5 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
1 TO 3 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS LESS THAN 10 KNOTS BECOMING SOUTH
5 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST LESS THAN
10 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES CALM TO
2 FEET.
.SATURDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.SUNDAY...NORTH WINDS 5 TO 15 KNOTS VEERING EAST. WAVES CALM TO
2 FEET.
.MONDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.

$$
LSZ261-142200-
MAFOR 1415/
SUPERIOR WEST 11200 13400 14500. WAVES 1 FOOT OR LESS.

SUPERIOR NORTH CENTRAL 11710 15610 11610. WAVES 1 TO 2 FEET.

SUPERIOR SOUTH CENTRAL 11820 12720 11710 14610. WAVES 1 TO 3 FEET.

SUPERIOR EAST 14720 11720 12710 11600. WAVES 1 TO 4 FEET.

$$

KEC





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