Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 280814
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
414 AM EDT TUE OCT 28 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...29.5 INCH LOW PRESSURE NEAR STURGEON BAY THIS MORNING
WILL HEAD NORTH TO JAMES BAY LATE TONIGHT WHILE DEEPENING 29.3
INCHES. EXPECT A 30.1 INCH RIDGE EXTENDING FROM THE MID MISSISSIPPI
VALLEY TO PUSH ACROSS LAKE SUPERIOR LATE WEDNESDAY AFTERNOON INTO
EARLY THURSDAY. WEAK 30.0 INCH LOW PRESSURE OVER THE NORTHERN AND
CENTRAL PLAINS WEDNESDAY NIGHT WILL DRIFT ACROSS THE UPPER GREAT
LAKES THURSDAY AFTERNOON...AND MOVE TO SOUTHERN LAKE HURON BY FRIDAY
MORNING WHILE DEEPENING TO 29.8 INCHES. IN ITS WAKE...30.6 INCH HIGH
PRESSURE STRETCHING FROM SOUTHERN CANADA THROUGH THE NORTHERN PLAINS
WILL PUSH ACROSS THE UPPER GREAT LAKES FRIDAY NIGHT AND SATURDAY
WHILE WEAKENING TO 30.4 INCHES LATE SATURDAY.

LSZ162-281615-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
414 AM EDT TUE OCT 28 2014 /314 AM CDT TUE OCT 28 2014/

.EARLY THIS MORNING...NORTHWEST WINDS 5 TO 15 KNOTS. SCATTERED
RAIN SHOWERS. WAVES 2 TO 4 FEET SUBSIDING TO CALM TO 2 FEET.
.TODAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO 30 KNOTS
BY MID AFTERNOON. SCATTERED RAIN SHOWERS. WAVES BUILDING TO 3 TO
6 FEET.
.TONIGHT...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. A SLIGHT
CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO
4 FEET.
.WEDNESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST
LESS THAN 10 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN
SHOWERS. WAVES CALM TO 2 FEET.
.THURSDAY...WEST WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH
20 TO 30 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 4 TO 7 FEET.
.FRIDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. WAVES BUILDING TO 2 TO 4 FEET.

$$

LSZ263-281615-
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-
414 AM EDT TUE OCT 28 2014

.EARLY THIS MORNING...NORTH WINDS 5 TO 15 KNOTS. SCATTERED RAIN
SHOWERS. WAVES 2 TO 4 FEET.
.TODAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
BY MID AFTERNOON. SCATTERED RAIN SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET...THEN BUILDING TO 5 TO 8 FEET.
.TONIGHT...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS...POSSIBLY
MIXED WITH SNOW. WAVES SUBSIDING TO 3 TO 5 FEET.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS
THROUGH EARLY AFTERNOON. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES
BUILDING TO 3 TO 6 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH
LESS THAN 10 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN AND
SNOW SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...NORTH WINDS LESS THAN 10 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH
20 TO 30 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 5 TO 8 FEET.
.FRIDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.
.SATURDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.

$$

LSZ264-281615-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
414 AM EDT TUE OCT 28 2014

.EARLY THIS MORNING...EAST WINDS 5 TO 15 KNOTS. NUMEROUS RAIN
SHOWERS. WAVES 2 TO 4 FEET.
.TODAY...NORTH WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO 25 KNOTS
BY MID AFTERNOON. SCATTERED RAIN SHOWERS. WAVES BUILDING TO 4 TO 7
FEET.
.TONIGHT...NORTHWEST WINDS 20 TO 30 KNOTS. A CHANCE OF RAIN
SHOWERS...POSSIBLY MIXED WITH SNOW. WAVES BUILDING TO 4 TO
8 FEET.
.WEDNESDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF RAIN SHOWERS
THROUGH EARLY AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 3 TO 5 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH
5 TO 15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF SNOW
SHOWERS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH
GALES TO 35 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 6 TO 9 FEET.
.FRIDAY...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET.
.SATURDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. WAVES BUILDING TO 2 TO 4 FEET.

$$

LSZ265-281615-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
414 AM EDT TUE OCT 28 2014

.EARLY THIS MORNING...WEST WINDS 5 TO 15 KNOTS. SCATTERED RAIN
SHOWERS AND ISOLATED THUNDERSTORMS. WAVES 1 TO 3 FEET SUBSIDING
TO CALM TO 2 FEET.
.TODAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO 30 KNOTS
BY MID AFTERNOON. SCATTERED RAIN SHOWERS. WAVES BUILDING TO 3 TO
5 FEET.
.TONIGHT...WEST WINDS 20 TO 30 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. A CHANCE OF RAIN SHOWERS. A SLIGHT CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 6 FEET.
.WEDNESDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS...POSSIBLY
MIXED WITH SNOW. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING
TO 3 TO 5 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH
AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN AND SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...NORTH WINDS LESS THAN 10 KNOTS BECOMING NORTHWEST
5 TO 15 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
CALM TO 2 FEET.
.THURSDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY. WAVES BUILDING TO
6 TO 9 FEET.
.FRIDAY...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 2 TO
4 FEET.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTH 15 TO
25 KNOTS. WAVES 2 TO 4 FEET.

$$

LSZ266-281615-
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-
414 AM EDT TUE OCT 28 2014

.EARLY THIS MORNING...NORTH WINDS 5 TO 15 KNOTS. NUMEROUS RAIN
SHOWERS AND ISOLATED THUNDERSTORMS. WAVES 2 TO 4 FEET.
.TODAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO 25 KNOTS BY
MID AFTERNOON. SCATTERED RAIN SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 3 TO 6 FEET.
.TONIGHT...WEST WINDS 20 TO 30 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. A CHANCE OF RAIN SHOWERS. A SLIGHT CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO 4 TO 7 FEET...THEN
SUBSIDING TO 3 TO 6 FEET.
.WEDNESDAY...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS...POSSIBLY
MIXED WITH SNOW. WAVES BUILDING TO 6 TO 9 FEET...THEN SUBSIDING
TO 4 TO 7 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH
20 TO 30 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS THROUGH
MIDNIGHT...THEN SNOW SHOWERS LIKELY AFTER MIDNIGHT. WAVES
BUILDING TO 6 TO 9 FEET.
.FRIDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 15 TO 25 KNOTS.
A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 7 TO 10 FEET...THEN
SUBSIDING TO 3 TO 5 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTH. WAVES
SUBSIDING TO 2 TO 4 FEET.

$$

LSZ267-281615-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
414 AM EDT TUE OCT 28 2014

.EARLY THIS MORNING...SOUTHEAST WINDS 10 TO 20 KNOTS. RAIN
SHOWERS AND SCATTERED THUNDERSTORMS. WAVES 1 TO 3 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING WEST 20 TO 30 KNOTS
BY MID AFTERNOON. NUMEROUS RAIN SHOWERS THROUGH EARLY AFTERNOON...
THEN SCATTERED RAIN SHOWERS BY MID AFTERNOON. WAVES BUILDING TO
3 TO 5 FEET.
.TONIGHT...WEST WINDS 20 TO 30 KNOTS. A CHANCE OF RAIN SHOWERS
THROUGH MIDNIGHT...THEN RAIN SHOWERS LIKELY AFTER MIDNIGHT. WAVES
BUILDING TO 5 TO 8 FEET.
.WEDNESDAY...NORTHWEST WINDS 20 TO 30 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES BUILDING TO 5 TO 9 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH
15 TO 25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY. WAVES
BUILDING TO 3 TO 6 FEET.
.FRIDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 5 TO
8 FEET...THEN SUBSIDING TO 3 TO 5 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH. WAVES
SUBSIDING TO 1 TO 3 FEET.

$$

LSZ261-281615-
MAFOR 2809/
SUPERIOR WEST 11720 11630 14640 12740. SCATTERED RAIN SHOWERS TODAY
AND TONIGHT. WAVES 1 TO 6 FEET TODAY. WAVES 3 TO 7 FEET TONIGHT.

SUPERIOR NORTH CENTRAL 11226 11120 11730 13640 12740. SCATTERED RAIN
SHOWERS THIS AFTERNOON AND TONIGHT. A SLIGHT CHANCE OF SNOW SHOWERS
OVERNIGHT. WAVES 1 TO 5 FEET TODAY. WAVES 5 TO 8 FEET TONIGHT.

SUPERIOR SOUTH CENTRAL 11610 11620 11630 14640 11740. ISOLATED
THUNDERSTORMS EARLY THIS MORNING. SCATTERED RAIN SHOWERS TODAY AND
TONIGHT. WAVES 1 TO 5 FEET.

SUPERIOR EAST 12326 11540 13640 12646. SCATTERED THUNDERSTORMS THIS
MORNING. SCATTERED RAIN SHOWERS THIS AFTERNOON AND EVENING. WAVES 1
TO 5 FEET TODAY. WAVES 4 TO 8 FEET TONIGHT.

$$

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