Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 140743
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
343 AM EDT SUN SEP 14 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.9 INCH LOW PRESSURE TROUGH OVER NORTHWEST MINNESOTA
WILL MOVE EAST ACROSS NORTHERN ONTARIO AND THE UPPER GREAT LAKES TODAY
AND TONIGHT AS HIGH PRESSURE OF 30.2 INCHES BUILDS OVER THE NORTHERN
PLAINS TONIGHT. AS THE HIGH WEAKENS TO 30.1 INCHES WHILE MOVING TO
THE SOUTHERN GREAT LAKES...A LOW PRESSURE TROUGH OF 30.0 INCHES WILL
DROP SOUTH...CROSSING LAKE SUPERIOR TUESDAY AFTERNOON AND EVENING.
HIGH PRESSURE OF 30.3 INCHES WILL THEN BUILD OVER NORTHERN ONTARIO
WEDNESDAY. AS THE HIGH MOVES TO THE LOWER GREAT LAKES THURSDAY...A
29.5 INCH LOW PRESSURE TROUGH WILL EMERGE OVER THE WESTERN PLAINS.

LSZ162-141545-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
343 AM EDT SUN SEP 14 2014 /243 AM CDT SUN SEP 14 2014/

.EARLY THIS MORNING...SOUTH WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE
OF SHOWERS. WAVES 2 TO 4 FEET BUILDING TO 3 TO 5 FEET.
.TODAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS THROUGH EARLY AFTERNOON.
WAVES BUILDING TO 3 TO 6 FEET...THEN SUBSIDING TO 3 TO 5 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.THURSDAY...EAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.

$$

LSZ263-141545-
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-
343 AM EDT SUN SEP 14 2014

.EARLY THIS MORNING...SOUTH WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE
OF SHOWERS. WAVES 2 TO 4 FEET BUILDING TO 3 TO 5 FEET.
.TODAY...SOUTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SHOWERS
THROUGH EARLY AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST. WAVES
SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 2 TO 4 FEET.

$$

LSZ264-141545-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
343 AM EDT SUN SEP 14 2014

.EARLY THIS MORNING...SOUTH WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. A CHANCE OF SHOWERS. WAVES BUILDING TO 3 TO 5 FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
BUILDING TO 2 TO 4 FEET.

$$

LSZ265-141545-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
343 AM EDT SUN SEP 14 2014

.EARLY THIS MORNING...SOUTH WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET.
.TODAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST BY MID
AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
BUILDING TO 2 TO 4 FEET.

$$

LSZ266-141545-
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-
343 AM EDT SUN SEP 14 2014

.EARLY THIS MORNING...SOUTH WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS. WAVES BUILDING TO 3 TO
5 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST BY MID
AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 1 TO
3 FEET.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
BUILDING TO 3 TO 5 FEET.

$$

LSZ267-141545-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
343 AM EDT SUN SEP 14 2014

.EARLY THIS MORNING...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET BUILDING TO 1 TO 3 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS THROUGH MIDNIGHT. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS. WAVES 2 TO 4 FEET.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
1 TO 3 FEET...THEN BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
BUILDING TO 1 TO 3 FEET.

$$

LSZ261-141545-
MAFOR 1409/
SUPERIOR WEST 11430 13530 11630 13620. SLIGHT CHANCE OF RAIN SHOWERS
THIS MORNING. WAVES 2 TO 4 FEET BUILDING TO 4 TO 6 FEET TODAY. WAVES
3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET TONIGHT.

SUPERIOR NORTH CENTRAL 12420 13520 11630 12620. CHANCE OF RAIN
SHOWERS TODAY. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET TODAY.
WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET TONIGHT.

SUPERIOR SOUTH CENTRAL 11420 11430 11530 11520 11610 13620. SLIGHT
CHANCE OF RAIN SHOWERS THIS AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET TODAY. WAVES 1 TO 3 FEET TONIGHT.

SUPERIOR EAST 12420 11430 11420 11520 12510 11620. SLIGHT CHANCE OF
RAIN SHOWERS THIS AFTERNOON AND EVENING. WAVES 2 TO 4 FEET TODAY.
WAVES 2 TO 3 FEET TONIGHT.

$$

VOSS






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