Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 032000
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
400 PM EDT THU SEP 3 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A HIGH PRESSURE RIDGE AVERAGING 30.2 INCHES EXTENDING
FROM NORTHERN QUEBEC TO LAKE SUPERIOR WILL GRADUALLY MOVE TO NEW
ENGLAND ON SATURDAY. LOW PRESSURE OF 29.6 INCHES OVER THE NORTHERN
PLAINS WILL REMAIN NEARLY STATIONARY THROUGH SATURDAY NIGHT...THEN
MOVE NORTHWARD TO THE CANADIAN PRAIRIES BY MONDAY. THIS WILL ALLOW A
COLD FRONT TO CROSS LAKE SUPERIOR SUNDAY NIGHT INTO MONDAY. A WEAK
29.9 INCH RIDGE WILL MOVE EAST ACROSS LAKE SUPERIOR ON TUESDAY.

LSZ162-040400-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
400 PM EDT THU SEP 3 2015 /300 PM CDT THU SEP 3 2015/

.LATE THIS AFTERNOON...NORTHEAST WINDS 5 TO 15 KNOTS. AREAS OF
FOG. WAVES 1 TO 3 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. AREAS OF FOG. WAVES
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. AREAS OF FOG. WAVES BUILDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS. PATCHY FOG. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. PATCHY FOG. A CHANCE
OF SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT. SHOWERS AND
THUNDERSTORMS LIKELY AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. PATCHY FOG. SHOWERS AND THUNDERSTORMS LIKELY
THROUGH EARLY AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. SHOWERS AND THUNDERSTORMS LIKELY. WAVES CALM TO
2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS.
WAVES CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST. WAVES
CALM TO 2 FEET.

$$

LSZ263-040400-
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-
400 PM EDT THU SEP 3 2015

.LATE THIS AFTERNOON...NORTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG.
WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS. PATCHY FOG. WAVES BUILDING TO
1 TO 3 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. PATCHY FOG. SHOWERS AND THUNDERSTORMS LIKELY
THROUGH EARLY AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. SHOWERS AND THUNDERSTORMS LIKELY. WAVES CALM TO
2 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST. WAVES
CALM TO 2 FEET.

$$

LSZ264-040400-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
400 PM EDT THU SEP 3 2015

.LATE THIS AFTERNOON...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. PATCHY FOG AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. PATCHY FOG. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. SHOWERS AND THUNDERSTORMS LIKELY. WAVES BUILDING
TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. WAVES
BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST.
WAVES CALM TO 2 FEET.

$$

LSZ265-040400-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
400 PM EDT THU SEP 3 2015

.LATE THIS AFTERNOON...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS. PATCHY FOG BY MID AFTERNOON.
WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. PATCHY FOG. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. SHOWERS AND THUNDERSTORMS LIKELY. WAVES CALM TO
2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ266-040400-
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-
400 PM EDT THU SEP 3 2015

.LATE THIS AFTERNOON...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG AFTER
MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG. WAVES CALM
TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. WAVES
BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. SHOWERS AND
THUNDERSTORMS LIKELY. WAVES 1 TO 3 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST. WAVES CALM
TO 2 FEET.

$$

LSZ267-040400-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
400 PM EDT THU SEP 3 2015

.LATE THIS AFTERNOON...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES CALM TO
2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. PATCHY FOG. WAVES
CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. WAVES
CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. WAVES CALM TO
2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. SHOWERS AND
THUNDERSTORMS LIKELY. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES
CALM TO 2 FEET.

$$

LSZ261-040400-
MAFOR 0321/
SUPERIOR WEST 11113 11110 11100 12200 12203 11113. PATCHY FOG
LATE THIS EVENING THROUGH LATE TONIGHT. WAVES 1 TO 2 FEET.

SUPERIOR NORTH CENTRAL 13100 11200 13300 11210. WAVES 1 FOOT OR
LESS.

SUPERIOR SOUTH CENTRAL 12800 11100 14200 11210. WAVES AROUND 1
FOOT.

SUPERIOR EAST 11110 12100 11200 12210 11200 11210. WAVES 1 FOOT
OR LESS.

$$

JS


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