Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 300750
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
350 AM EDT THU JUL 30 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.2 INCH LOW PRESSURE OVER SOUTHERN HUDSON BAY WILL
REMAIN NEARLY STATIONARY THROUGH THE WEEKEND WHILE SLOWLY FILLING TO
29.5 INCHES. EXPECT TROUGHS AVERAGING 29.7 INCHES...ROTATING AROUND
THE HUDSON BAY LOW...TO CROSS THE UPPER GREAT LAKES THIS
MORNING...TONIGHT...SATURDAY NIGHT INTO SUNDAY MORNING...AND THE
LAST ONE ON SUNDAY NIGHT. A 29.9 INCH RIDGE WILL APPROACH LAKE
SUPERIOR ON MONDAY AFTERNOON.

LSZ162-301600-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
350 AM EDT THU JUL 30 2015

.EARLY THIS MORNING...WEST WINDS 20 TO 30 KNOTS...WITH A FEW GALE
FORCE GUSTS TO 35 KNOTS. WAVES 3 TO 6 FEET.
.TODAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS
BY MID AFTERNOON. A FEW GALE FORCE GUSTS TO 35 KNOTS THROUGH MID
MORNING. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS BY MID
AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING
TO 1 TO 3 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ263-301600-
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-
350 AM EDT THU JUL 30 2015

.EARLY THIS MORNING...WEST WINDS 20 TO 30 KNOTS...WITH A FEW GALE
FORCE GUSTS TO 35 KNOTS. WAVES 4 TO 7 FEET.
.TODAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS BY
MID AFTERNOON. A FEW GALE FORCE GUSTS TO 35 KNOTS THROUGH MID
MORNING. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS BY MID
AFTERNOON. WAVES SUBSIDING TO 3 TO 5 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS BY MID AFTERNOON. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT. WAVES SUBSIDING TO
CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.SATURDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ264-301600-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
350 AM EDT THU JUL 30 2015

.EARLY THIS MORNING...WEST WINDS 20 TO 30 KNOTS...WITH A FEW GALE
FORCE GUSTS TO 35 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES 4 TO 7
FEET.
.TODAY...WEST WINDS 20 TO 30 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS BY MID AFTERNOON. A FEW GALE FORCE GUSTS TO 35 KNOTS
THROUGH MID MORNING. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS BY
MID AFTERNOON. WAVES SUBSIDING TO 3 TO 5 FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS THROUGH MIDNIGHT. WAVES SUBSIDING TO 1 TO
3 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS BY
MID AFTERNOON. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.SUNDAY...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ265-301600-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
350 AM EDT THU JUL 30 2015

.EARLY THIS MORNING...WEST WINDS 20 TO 30 KNOTS. WAVES 2 TO
4 FEET BUILDING TO 3 TO 5 FEET.
.TODAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS BY
MID AFTERNOON. A FEW GALE FORCE GUSTS TO 35 KNOTS IN THE MORNING.
WAVES 3 TO 6 FEET SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ266-301600-
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-
350 AM EDT THU JUL 30 2015

.EARLY THIS MORNING...WEST WINDS 20 TO 30 KNOTS. WAVES 3 TO
6 FEET BUILDING TO 4 TO 7 FEET.
.TODAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS
BY MID AFTERNOON. WAVES SUBSIDING TO 3 TO 5 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS THROUGH EARLY AFTERNOON. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ267-301600-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
350 AM EDT THU JUL 30 2015

.EARLY THIS MORNING...WEST WINDS 20 TO 30 KNOTS. WAVES 3 TO
5 FEET.
.TODAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS
BY MID AFTERNOON. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING
TO 3 TO 5 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS THROUGH EARLY AFTERNOON. WAVES SUBSIDING TO
CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ261-301600-
MAFOR 3009/
SUPERIOR WEST 12640 19650 11630 11520 11530 11630 12620. WAVES 3 TO
7 FEET TODAY...SUBSIDING TO 2 TO 3 FEET TONIGHT.

SUPERIOR NORTH CENTRAL 12640 19650 11640 11630 11530 11630 12620.
WAVES 3 TO 7 FEET TODAY. WAVES SUBSIDING TO 2 TO 3 FEET TONIGHT.

SUPERIOR SOUTH CENTRAL 12640 19650 11640 13630 12620. WAVES 3 TO 6
FEET SUBSIDING TO 2 TO 4 FEET TODAY. WAVES 2 TO 3 FEET TONIGHT.

SUPERIOR EAST 11630 12640 11630 14620. WAVES 3 TO 7 FEET TODAY.
WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 3 FEET TONIGHT.

$$

SRF



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