Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 260754
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
354 AM EDT FRI AUG 26 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.8 INCH LOW PRESSURE TROUGH EXTENDING FROM WESTERN
LAKE SUPERIOR TO WESTERN QUEBEC TONIGHT WILL CROSS LAKE SUPERIOR
EARLY THIS MORNING. IN ITS WAKE...HIGH PRESSURE OF 30.2 INCHES WILL
BUILD ACROSS LAKE SUPERIOR BY THIS AFTERNOON. AS THE HIGH MOVES TO
SOUTHERN QUEBEC BY SATURDAY MORNING...30.0 INCH LOW PRESSURE WILL
DEVELOP OVER THE CENTRAL PLAINS. THIS LOW WILL TRACK NORTHEAST
ACROSS UPPER MICHIGAN LATE SATURDAY NIGHT AND OVER SOUTHERN QUEBEC
ON SUNDAY AS HIGH PRESSURE OF 30.2 INCHES CROSSES THE UPPER GREAT
LAKES. THE HIGH WILL SHIFT TO THE LOWER GREAT LAKES ON MONDAY AS A
29.7 INCH LOW PRESSURE TRACKS ACROSS NORTHERN ONTARIO. THE LOW WILL
PASS A WEAK 29.9 INCH TROUGH ACROSS THE UPPER GREAT LAKES LATE
MONDAY NIGHT AND TUESDAY.

LSZ162-261600-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
354 AM EDT FRI AUG 26 2016 /254 AM CDT FRI AUG 26 2016/

.EARLY THIS MORNING...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES 1 TO 3
FEET.
.TODAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES CALM TO
2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING WEST AFTER
MIDNIGHT. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS VEERING EAST. WAVES CALM
TO 2 FEET.

$$

LSZ263-261600-
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-
354 AM EDT FRI AUG 26 2016

.EARLY THIS MORNING...NORTHWEST WINDS 10 TO 20 KNOTS. ISOLATED
SHOWERS. WAVES 2 TO 4 FEET.
.TODAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. ISOLATED SHOWERS IN THE MORNING. WAVES SUBSIDING TO
CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES CALM TO
2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BACKING NORTHWEST
AFTER MIDNIGHT. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO
CALM TO 2 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTHEAST. WAVES
CALM TO 2 FEET.

$$

LSZ264-261600-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
354 AM EDT FRI AUG 26 2016

.EARLY THIS MORNING...NORTHWEST WINDS 10 TO 20 KNOTS. ISOLATED
SHOWERS. WAVES 2 TO 4 FEET.
.TODAY...NORTH WINDS 5 TO 15 KNOTS BACKING WEST BY MID AFTERNOON.
WAVES SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING NORTH
AFTER MIDNIGHT. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ265-261600-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
354 AM EDT FRI AUG 26 2016

.EARLY THIS MORNING...NORTHWEST WINDS 10 TO 20 KNOTS. ISOLATED
SHOWERS. WAVES 1 TO 3 FEET.
.TODAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS BY MID AFTERNOON. ISOLATED SHOWERS THROUGH EARLY
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING EAST BY MID
AFTERNOON. A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING WEST
5 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS BACKING EAST BY MID AFTERNOON.
WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ266-261600-
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-
354 AM EDT FRI AUG 26 2016

.EARLY THIS MORNING...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES 2 TO
4 FEET.
.TODAY...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO 3
FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH AFTER MIDNIGHT.
WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES CALM TO
2 FEET.
.SATURDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING WEST
5 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ267-261600-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
354 AM EDT FRI AUG 26 2016

.EARLY THIS MORNING...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES 2 TO
4 FEET.
.TODAY...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST LESS
THAN 10 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES CALM TO
2 FEET.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KNOTS VEERING SOUTH AFTER
MIDNIGHT. SHOWERS LIKELY THROUGH MIDNIGHT...THEN A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
WAVES CALM TO 2 FEET.
.SUNDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH. WAVES
CALM TO 2 FEET.

$$

LSZ261-261600-
MAFOR 2609/
SUPERIOR WEST 12720 11710 11510 12410 12400. WAVES 1 TO 3 FEET.

SUPERIOR NORTH CENTRAL 11820 12810 11700 11610 11510 11500 11400.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET TODAY. WAVES AROUND 1
FOOT TONIGHT.

SUPERIOR SOUTH CENTRAL 13710 11820 11110 11200 12400. WAVES 1 TO 4
FEET.

SUPERIOR EAST 14710 11710 11700 11600 11500. WAVES 1 TO 4 FEET.

$$

JLA


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