Great Lakes Forecast
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000
FZUS63 KMQT 011926
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
326 PM EDT MON SEP 1 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...29.2 INCH LOW PRESSURE OVER SOUTHERN HUDSON BAY WILL
MOVE INTO NORTHERN QUEBEC AT 29.0 INCHES ON TUESDAY. EXPECT LARGE
30.0 INCH HIGH PRESSURE BUILDING ACROSS THE OHIO VALLEY AND MID
ATLANTIC STATES TUESDAY INTO WEDNESDAY TO BUILD A 29.8 INCH RIDGE
ACROSS LAKE SUPERIOR. 29.5 INCH LOW PRESSURE ACROSS THE NORTHERN
PLAINS WEDNESDAY NIGHT WILL PUSH ACROSS ONTARIO AND LAKE SUPERIOR
THURSDAY NIGHT...BEFORE EXITING ACROSS JAMES BAY ON FRIDAY. LARGE
30.2 INCH HIGH PRESSURE WILL SLOWLY BUILD ACROSS THE UPPER GREAT
LAKES FROM THE NORTHERN PLAINS FRIDAY AND SATURDAY.

LSZ162-020330-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
326 PM EDT MON SEP 1 2014 /226 PM CDT MON SEP 1 2014/

.TONIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO
2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BACKING EAST AFTER
MIDNIGHT. PATCHY FOG. SHOWERS LIKELY THROUGH MIDNIGHT...THEN A CHANCE
OF SHOWERS. A CHANCE OF THUNDERSTORMS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ263-020330-
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-
326 PM EDT MON SEP 1 2014

.LATE THIS AFTERNOON...WEST WINDS 10 TO 20 KNOTS. PATCHY FOG.
ISOLATED SHOWERS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE
OF SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. PATCHY FOG. SHOWERS
LIKELY THROUGH MIDNIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A CHANCE OF THUNDERSTORMS THROUGH
MIDNIGHT. A CHANCE OF SHOWERS. WAVES BUILDING TO 3 TO 6 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES
BUILDING TO 1 TO 3 FEET.

$$

LSZ264-020330-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
326 PM EDT MON SEP 1 2014

.LATE THIS AFTERNOON...WEST WINDS 10 TO 20 KNOTS. AREAS OF FOG.
ISOLATED SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FEET SUBSIDING
TO 2 TO 4 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE
OF SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SHOWERS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF
SHOWERS. PATCHY FOG AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...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.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
20 TO 30 KNOTS AFTER MIDNIGHT. PATCHY FOG THROUGH MIDNIGHT. A
CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT. WAVES
BUILDING TO 3 TO 6 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.

$$

LSZ265-020330-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
326 PM EDT MON SEP 1 2014

.LATE THIS AFTERNOON...WEST WINDS 10 TO 20 KNOTS. ISOLATED
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID AFTERNOON. WAVES
CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID AFTERNOON. WAVES
CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS THROUGH MIDNIGHT. SHOWERS LIKELY AFTER MIDNIGHT. WAVES
CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF THUNDERSTORMS THROUGH
MIDNIGHT. A CHANCE OF SHOWERS. WAVES BUILDING TO 3 TO 5 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.

$$

LSZ266-020330-
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-
326 PM EDT MON SEP 1 2014

.LATE THIS AFTERNOON...WEST WINDS 10 TO 20 KNOTS. AREAS OF FOG.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS. WAVES 2 TO 4 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. PATCHY FOG. WAVES SUBSIDING
TO 1 TO 3 FEET.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID AFTERNOON. WAVES
1 TO 3 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID AFTERNOON. WAVES
CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS THROUGH MIDNIGHT. SHOWERS LIKELY AFTER MIDNIGHT. PATCHY
FOG AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. AREAS OF FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
15 TO 25 KNOTS AFTER MIDNIGHT. PATCHY FOG THROUGH MIDNIGHT. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 3 TO
6 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH 10 TO
20 KNOTS. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 1 TO
3 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.

$$

LSZ267-020330-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
326 PM EDT MON SEP 1 2014

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS. PATCHY
FOG. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS. WAVES 1 TO
3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. ISOLATED SHOWERS AND
THUNDERSTORMS THROUGH MIDNIGHT. PATCHY FOG. WAVES BUILDING TO
1 TO 3 FEET.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A SLIGHT CHANCE OF
SHOWERS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS THROUGH MIDNIGHT. SHOWERS LIKELY AFTER MIDNIGHT. PATCHY
FOG AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. SHOWERS LIKELY
THROUGH EARLY AFTERNOON...THEN A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 3 TO 5 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH 10 TO
20 KNOTS. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 1 TO
3 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ261-020330-
MAFOR 0121/
SUPERIOR WEST 13620 13610 12510. WAVES 1 TO 3 FEET.

SUPERIOR NORTH CENTRAL 11623 13620 12610 11510 11520. ISOLATED
THUNDERSTORMS LATE THIS AFTERNOON AND ISOLATED SHOWERS THIS EVENING.
WAVES 2 TO 4 FEET.

SUPERIOR SOUTH CENTRAL 14620 14610. SCATTERED SHOWERS WITH ISOLATED
THUNDERSTORMS THIS EVENING. WAVES 1 TO 3 FEET.

SUPERIOR EAST 11523 12623 11620 13610 11500. SCATTERED SHOWERS WITH
ISOLATED THUNDERSTORMS THIS EVENING. PATCHY FOG TUESDAY. WAVES 1 TO 4
FEET.

$$

07





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