Great Lakes Forecast
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000
FZUS63 KMQT 311915
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
315 PM EDT SUN AUG 31 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A WEAK 29.9 INCH RIDGE OVER EASTERN LAKE SUPERIOR WILL
SHIFT EASTWARD TONIGHT. A TROUGH AVERAGING 29.5 INCHES STRETCHING
FROM NORTHERN SASKATCHEWAN THROUGH WESTERN MINNESOTA WILL BEGIN
LIFTING TO THE NORTHEAST THIS EVENING. THE NORTHERN EDGE OF THE
TROUGH WILL STRENGTHEN TO 29.0 INCHES MONDAY NIGHT AS IT MOVES OVER
JAMES BAY. THE SOUTHERN END OF THE TROUGH...AT 29.6 INCHES...WILL
SLIDE EAST ACROSS LAKE SUPERIOR ON MONDAY. TUESDAY...THE UPPER GREAT
LAKES REGION WILL BE BETWEEN A 29.0 INCH LOW OVER HUDSON BAY AND A
30.0 INCH HIGH OVER THE SOUTHEASTERN STATES. THE HIGH WILL EXPAND
ACROSS THE MID-ATLANTIC STATES WEDNESDAY AS A BROAD 29.6 INCH TROUGH
DEVELOPS OVER THE NORTHERN PLAINS. THE TROUGH WILL SHIFT EASTWARD ON
THURSDAY...CROSSING THE UPPER GREAT LAKES AND NORTHERN ONTARIO
THURSDAY NIGHT INTO FRIDAY.

LSZ162-010315-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
315 PM EDT SUN AUG 31 2014 /215 PM CDT SUN AUG 31 2014/

.LATE THIS AFTERNOON...EAST WINDS 5 TO 15 KNOTS. ISOLATED SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. NUMEROUS SHOWERS AND THUNDERSTORMS. PATCHY FOG AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
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...SOUTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST
AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM
TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST
10 TO 20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
BUILDING TO 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ263-010315-
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-
315 PM EDT SUN AUG 31 2014

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

$$

LSZ264-010315-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
315 PM EDT SUN AUG 31 2014

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

$$

LSZ265-010315-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
315 PM EDT SUN AUG 31 2014

.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH AFTER MIDNIGHT.
SCATTERED SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. PATCHY FOG AFTER
MIDNIGHT. WAVES CALM TO 2 FEET BUILDING TO 2 TO 4 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. SHOWERS AND THUNDERSTORMS LIKELY THROUGH EARLY
AFTERNOON...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS. 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 BECOMING SOUTH 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. WAVES
BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

$$

LSZ266-010315-
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-
315 PM EDT SUN AUG 31 2014

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

$$

LSZ267-010315-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
315 PM EDT SUN AUG 31 2014

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

$$

LSZ261-010315-
MAFOR 3121/
SUPERIOR WEST 12310 13419 11519 11610 11620. PATCHY FOG OVERNIGHT.
SCATTERED SHOWERS AND THUNDERSTORMS THIS EVENING AND MONDAY AFTERNOON.
WAVES 1 TO 3 FEET.

SUPERIOR NORTH CENTRAL 12320 11330 11430 13429 11529. PATCHY FOG
OVERNIGHT. SCATTERED SHOWERS AND THUNDERSTORMS TONIGHT. AREAS OF
FOG MONDAY. WAVES 1 TO 5 FEET.

SUPERIOR SOUTH CENTRAL 13320 12420 13429. PATCHY FOG OVERNIGHT AND IN
THE MORNING. SCATTERED SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 1
TO 4 FEET.

SUPERIOR EAST 11200 11310 11320 11420 11320 11323 12429. PATCHY FOG
OVERNIGHT. ISOLATED RAIN SHOWERS AND THUNDERSTORMS OVERNIGHT. AREAS
OF FOG MONDAY. SCATTERED RAIN SHOWERS AND THUNDERSTORMS IN THE
MORNING. WAVES CALM TO 4 FEET.

$$

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