Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 050149
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
949 PM EDT TUE AUG 4 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.1 INCH HIGH PRESSURE RIDGE OVER MANITOBA AND
ONTARIO WILL BUILD OVER THE UPPER GREAT LAKES THROUGH WEDNESDAY.
THURSDAY...LOW PRESSURE OF 29.7 INCHES WILL DEVELOP OVER THE HIGH
PLAINS AND MOVE EASTWARD THROUGH THE LOWER LAKES TO THE MID ATLANTIC
COAST BY SATURDAY. HIGH PRESSURE RIDGING OF 29.9 INCHES WILL REMAIN
ACROSS THE UPPER GREAT LAKES DURING THIS TIME. A 29.7 INCH LOW WILL
MOVE ACROSS NORTHERN ONTARIO ON SUNDAY.

LSZ162-051000-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
949 PM EDT TUE AUG 4 2015

.REST OF TONIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING NORTHEAST
LESS THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS BY MID AFTERNOON. WAVES BUILDING
TO 1 TO 3 FEET.
.THURSDAY NIGHT...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS THROUGH MIDNIGHT...THEN
SHOWERS LIKELY. WAVES 1 TO 3 FEET.
.FRIDAY...EAST WINDS 10 TO 20 KNOTS. SHOWERS LIKELY THROUGH EARLY
AFTERNOON...THEN A CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO 2
FEET.
.FRIDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. A CHANCE OF
SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY...NORTHEAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES CALM TO 2 FEET.
.SUNDAY...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH. WAVES CALM
TO 2 FEET.

$$

LSZ263-051000-
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 PM EDT TUE AUG 4 2015

.REST OF TONIGHT...WEST WINDS LESS THAN 10 KNOTS INCREASING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS. WAVES
CALM TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS THROUGH
EARLY AFTERNOON...THEN SHOWERS LIKELY. WAVES BUILDING TO 1 TO 3
FEET.
.FRIDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST AFTER
MIDNIGHT. A CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST. WAVES
CALM TO 2 FEET.
.SUNDAY...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ264-051000-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
949 PM EDT TUE AUG 4 2015

.REST OF TONIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS. WAVES
BUILDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. A CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTHWEST. WAVES CALM
TO 2 FEET.

$$

LSZ265-051000-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
949 PM EDT TUE AUG 4 2015

.REST OF TONIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...WEST WINDS 5 TO 15 KNOTS BECOMING EAST LESS THAN
10 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING EAST BY MID
AFTERNOON. A CHANCE OF SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...EAST WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. A CHANCE
OF SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTHWEST. WAVES CALM
TO 2 FEET.

$$

LSZ266-051000-
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 PM EDT TUE AUG 4 2015

.REST OF TONIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS LESS THAN 10 KNOTS BECOMING
SOUTHEAST 5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID AFTERNOON. WAVES CALM
TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST
5 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES BUILDING
TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES BUILDING TO 1 TO
3 FEET.
.FRIDAY NIGHT...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. SHOWERS LIKELY THROUGH MIDNIGHT...THEN A CHANCE OF
SHOWERS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3
FEET.
.SATURDAY...EAST WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 5 TO
15 KNOTS. A CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH. WAVES CALM
TO 2 FEET.

$$

LSZ267-051000-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
949 PM EDT TUE AUG 4 2015

.REST OF TONIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...WEST WINDS LESS THAN 10 KNOTS BACKING
SOUTHEAST AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS. WAVES
CALM TO 2 FEET.
.FRIDAY NIGHT...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. SHOWERS LIKELY THROUGH MIDNIGHT...THEN A CHANCE OF
SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST. WAVES CALM
TO 2 FEET.

$$
LSZ261-051000-
MAFOR 0503/
SUPERIOR WEST 11500 11200 14300 11300 11200. WAVES 1 FOOT OR
LESS.

SUPERIOR NORTH CENTRAL 12610 13600 12500 11400. WAVES 1 FOOT OR
LESS.

SUPERIOR SOUTH CENTRAL 11610 11710 13700 11200 12300. WAVES 1
FOOT OR LESS.

SUPERIOR EAST 12710 12700 13610 11600. WAVES 1 TO 2 FEET.

$$

PETRO



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