Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 172007
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
407 PM EDT FRI APR 17 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...29.8 INCH LOW PRESSURE NORTH OF LAKE SUPERIOR LATE THIS
AFTERNOON WILL REACH NEW ENGLAND SATURDAY. A 30.2 INCH HIGH PRESSURE
OVER SOUTHERN MANITOBA LATE THIS AFTERNOON WILL REACH QUEBEC ON
SUNDAY. A 29.6 INCH LOW PRESSURE OVER THE NORTHERN PLAINS SUNDAY
MORNING WILL STRENGTHEN TO 29.2 INCHES OVER THE WESTERN GREAT LAKES
AS IT MERGES WITH ANOTHER LOW MONDAY MORNING. THE LOW WILL SLOWLY
MOVE NORTHWARD...REACHING NORTHERN ONTARIO TUESDAY AND JAMES BAY
WEDNESDAY. A 30.1 INCH HIGH PRESSURE RIDGE WILL BUILD OVER THE
NORTHERN PLAINS WEDNESDAY.

LSZ162-180415-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
407 PM EDT FRI APR 17 2015

.LATE THIS AFTERNOON...SOUTHWEST WINDS 5 TO 15 KNOTS...EXCEPT NORTH
TO NORTHEAST LESS THAN 10 KNOTS NEAR DULUTH. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH 15 TO 25
KNOTS BY MID EVENING...THEN BECOMING NORTHEAST 10 TO 20 KNOTS AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN
AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO
1 TO 3 FEET.
.SUNDAY...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. RAIN LIKELY. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTHWEST
AFTER MIDNIGHT. RAIN LIKELY. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN. WAVES CALM
TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN THROUGH MIDNIGHT.
A CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ263-180415-
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-
407 PM EDT FRI APR 17 2015

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH 20 TO 30
KNOTS BY MID EVENING...THEN DIMINISHING TO 10 TO 20 KNOTS AFTER
MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO CALM TO
2 FEET.
.SATURDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
RAIN AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. RAIN LIKELY. WAVES BUILDING TO 3 TO
6 FEET.
.SUNDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST AFTER
MIDNIGHT. RAIN LIKELY. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN. WAVES
BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. A CHANCE OF RAIN THROUGH MIDNIGHT. A CHANCE OF SNOW.
WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.WEDNESDAY...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ264-180415-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
407 PM EDT FRI APR 17 2015

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM
TO 2 FEET BUILDING TO 1 TO 3 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 20 TO 30
KNOTS WITH A FEW GALE FORCE GUSTS TO 35 KNOTS BY MID EVENING...THEN
DIMINISHING TO 15 TO 25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST
15 TO 25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHEAST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS BY MID AFTERNOON. RAIN LIKELY. WAVES BUILDING TO 4 TO
7 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS AFTER MIDNIGHT. RAIN. WAVES SUBSIDING TO 1 TO 3 FEET.
.MONDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO 20 KNOTS
BY MID AFTERNOON. RAIN...POSSIBLY MIXED WITH SNOW THROUGH EARLY
AFTERNOON...THEN A CHANCE OF RAIN BY MID AFTERNOON. WAVES
SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN
THROUGH MIDNIGHT. A CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$

LSZ265-180415-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
407 PM EDT FRI APR 17 2015

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS BECOMING NORTH 20 TO 30 KNOTS
WITH A FEW GALE FORCE GUSTS TO 35 KNOTS BY MIDNIGHT...THEN
DIMINISHING TO 10 TO 20 KNOTS OVERNIGHT. WAVES BUILDING TO 3 TO 5
FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN. WAVES
BUILDING TO 2 TO 4 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING NORTHEAST
5 TO 15 KNOTS AFTER MIDNIGHT. RAIN. WAVES SUBSIDING TO CALM TO
2 FEET.
.MONDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO 20 KNOTS
BY MID AFTERNOON. RAIN...POSSIBLY MIXED WITH SNOW THROUGH EARLY
AFTERNOON...THEN A CHANCE OF RAIN BY MID AFTERNOON. WAVES CALM TO
2 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN
THROUGH MIDNIGHT. A CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$

LSZ266-180415-
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-
407 PM EDT FRI APR 17 2015

.LATE THIS AFTERNOON...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH.
WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS VEERING NORTH 20 TO 30 KNOTS
WITH A FEW GALE FORCE GUSTS TO 35 KNOTS BY MIDNIGHT...THEN
DIMINISHING TO 10 TO 20 KNOTS OVERNIGHT. WAVES BUILDING TO 3 TO 5
FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY...SOUTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN. WAVES
BUILDING TO 3 TO 6 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING EAST
10 TO 20 KNOTS AFTER MIDNIGHT. RAIN. WAVES SUBSIDING TO 1 TO
3 FEET.
.MONDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS BY MID AFTERNOON. RAIN LIKELY THROUGH EARLY AFTERNOON...
THEN A CHANCE OF RAIN BY MID AFTERNOON. WAVES SUBSIDING TO CALM
TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN
THROUGH MIDNIGHT. A CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$

LSZ267-180415-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
407 PM EDT FRI APR 17 2015

.LATE THIS AFTERNOON...WEST WINDS LESS THAN 10 KNOTS BACKING
SOUTHWEST. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS BECOMING NORTH 20 TO 30 KNOTS
AFTER MIDNIGHT...THEN DIMINISHING TO 15 TO 25 KNOTS LATE. WAVES
BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF RAIN
BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING EAST
10 TO 20 KNOTS AFTER MIDNIGHT. RAIN. WAVES CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO 15 KNOTS
BY MID AFTERNOON. RAIN LIKELY THROUGH EARLY AFTERNOON...THEN A
CHANCE OF RAIN BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A CHANCE
OF SNOW SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$

LSZ261-180415-
MAFOR 1721/
SUPERIOR WEST 11510 11620 11830 11130 11110 11100 11210 11120.
WAVES 1 TO 2 FEET.

SUPERIOR NORTH CENTRAL 11520 11640 11840 11830 11820 11810 11100
11200. WAVES 1 TO 4 FEET TONIGHT SUBSIDING TO 1 FOOT OR LESS
SATURDAY.

SUPERIOR SOUTH CENTRAL 11400 11520 11640 11840 11820 11810 11800
11100. WAVES 1 FOOT OR LESS BUILDING TO 3 TO 5 FEET TONIGHT.
WAVES SUBSIDING TO 1 FOOT OR LESS SATURDAY.

SUPERIOR EAST 11500 11410 11640 11840 11830 11810 11800 11700.
WAVES 1 FOOT OR LESS BUILDING TO 3 TO 5 FEET TONIGHT. WAVES
SUBSIDING TO 1 FOOT OR LESS SATURDAY.

$$

KLUBER


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