Great Lakes Forecast
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000
FZUS63 KMQT 161959
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
359 PM EDT SUN APR 16 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS, WHICH
IS THE AVERAGE OF THE HIGHEST 1/3 OF THE WAVE, ALONG WITH THE
AVERAGE HEIGHT OF THE HIGHEST 10% OF THE WAVES WHICH WILL
OCCASIONALLY BE ENCOUNTERED.

.SYNOPSIS...AS A 29.6 INCH LOW PRESSURE OVER EASTERN ONTARIO MOVES
OVER QUEBEC TONIGHT...A 29.9 INCH TROUGH OVER THE UPPER GREAT LAKES
WILL DISSIPATE. A 30.3 INCH RIDGE OVER THE NORTHERN PLAINS MONDAY
AFTERNOON WILL MOVE OVER THE EASTERN GREAT LAKES TUESDAY AS A
29.6 INCH LOW MOVES OVER MINNESOTA. THE LOW WILL CROSS LAKE
SUPERIOR AT 29.7 INCHES TUESDAY NIGHT WHILE A 30.3 INCH HIGH
PRESSURE MOVES INTO NORTHERN ONTARIO. THE HIGH WILL MOVE OVER
QUEBEC ON THURSDAY AS A 29.6 INCH LOW PRESSURE MOVES FROM THE
CENTRAL PLAINS TO LOWER MICHIGAN. THE LOW WILL REACH THE EAST
COAST FRIDAY AS A 30.3 INCH RIDGE MOVES OVER THE NORTHERN GREAT
LAKES.

LSZ162-170400-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
359 PM EDT SUN APR 16 2017 /259 PM CDT SUN APR 16 2017/

.LATE THIS AFTERNOON...EAST WINDS 5 TO 15 KNOTS. ISOLATED RAIN
SHOWERS. WAVES 1 TO 3 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
AFTER MIDNIGHT. ISOLATED RAIN SHOWERS THROUGH MIDNIGHT. AREAS OF
DRIZZLE. ISOLATED SNOW SHOWERS AFTER MIDNIGHT. PATCHY FOG AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...EAST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN
SHOWERS...POSSIBLY MIXED WITH SNOW AFTER MIDNIGHT. WAVES BUILDING
TO 1 TO 3 FEET.
.TUESDAY...SOUTHEAST WINDS 15 TO 25 KNOTS VEERING SOUTH BY MID
AFTERNOON. RAIN SHOWERS LIKELY. WAVES BUILDING TO 3 TO 5 FEET
OCCASIONALLY TO 7 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET
OCCASIONALLY TO 7 FEET.
.THURSDAY...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...EAST WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ263-170400-
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-
359 PM EDT SUN APR 16 2017

.LATE THIS AFTERNOON...NORTHEAST WINDS 5 TO 15 KNOTS. ISOLATED
RAIN AND SNOW SHOWERS. WAVES 1 TO 3 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. ISOLATED RAIN SHOWERS THROUGH MIDNIGHT. AREAS OF
DRIZZLE...SCATTERED SNOW SHOWERS AND AREAS OF FREEZING DRIZZLE.
WAVES 1 TO 3 FEET.
.MONDAY...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. ISOLATED SNOW SHOWERS THROUGH EARLY AFTERNOON.
WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
.TUESDAY...SOUTHEAST WINDS 15 TO 25 KNOTS VEERING SOUTH BY MID
AFTERNOON. RAIN SHOWERS. WAVES BUILDING TO 3 TO 6 FEET
OCCASIONALLY TO 8 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTH AFTER
MIDNIGHT. A CHANCE OF RAIN SHOWERS THROUGH MIDNIGHT. WAVES
SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET
OCCASIONALLY TO 7 FEET.
.THURSDAY...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.FRIDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTHWEST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ264-170400-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
359 PM EDT SUN APR 16 2017

.LATE THIS AFTERNOON...NORTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG.
SCATTERED SNOW SHOWERS...POSSIBLY MIXED WITH RAIN. WAVES 1 TO
3 FEET.
.TONIGHT...NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. ISOLATED RAIN SHOWERS THROUGH MIDNIGHT.
ISOLATED SNOW SHOWERS AND PATCHY FREEZING DRIZZLE. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.MONDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. ISOLATED SNOW SHOWERS THROUGH EARLY AFTERNOON. WAVES
SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...SOUTHEAST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30
KNOTS WITH GALE FORCE GUSTS TO 35 KNOTS BY MID AFTERNOON. A
CHANCE OF RAIN SHOWERS THROUGH EARLY AFTERNOON...THEN RAIN
SHOWERS. WAVES BUILDING TO 5 TO 9 FEET OCCASIONALLY TO 11 FEET.
.TUESDAY NIGHT...WEST WINDS 15 TO 25 KNOTS BECOMING NORTH 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES BUILDING
TO 3 TO 5 FEET OCCASIONALLY TO 7 FEET.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
1 TO 3 FEET.
.FRIDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTHWEST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ265-170400-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
359 PM EDT SUN APR 16 2017

.LATE THIS AFTERNOON...NORTH WINDS 10 TO 20 KNOTS. PATCHY FOG.
ISOLATED RAIN AND SNOW SHOWERS. WAVES 1 TO 3 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST AFTER
MIDNIGHT. PATCHY FOG THROUGH MIDNIGHT. ISOLATED RAIN AND SNOW
SHOWERS THROUGH MIDNIGHT. PATCHY DRIZZLE. WAVES SUBSIDING TO CALM
TO 2 FEET.
.MONDAY...NORTHEAST WINDS 10 TO 20 KNOTS. ISOLATED SNOW SHOWERS.
WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...SOUTHEAST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS THROUGH EARLY
AFTERNOON...THEN RAIN SHOWERS. WAVES BUILDING TO 4 TO 7 FEET
OCCASIONALLY TO 9 FEET...THEN SUBSIDING TO 3 TO 6 FEET
OCCASIONALLY TO 8 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES 1 TO 3 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS INCREASING TO
20 TO 30 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 3 TO 5 FEET OCCASIONALLY TO 7 FEET.
.THURSDAY...NORTHEAST WINDS 15 TO 25 KNOTS BACKING NORTH. WAVES
BUILDING TO 3 TO 6 FEET OCCASIONALLY TO 8 FEET...THEN SUBSIDING
TO 2 TO 4 FEET.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ266-170400-
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-
359 PM EDT SUN APR 16 2017

.LATE THIS AFTERNOON...NORTH WINDS 10 TO 20 KNOTS. PATCHY FOG.
ISOLATED RAIN AND SNOW SHOWERS. WAVES 1 TO 3 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST AFTER
MIDNIGHT. ISOLATED RAIN SHOWERS THROUGH MIDNIGHT. ISOLATED SNOW
SHOWERS...PATCHY DRIZZLE AND FREEZING DRIZZLE. WAVES SUBSIDING TO
CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.MONDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS BY MID AFTERNOON. ISOLATED SNOW SHOWERS THROUGH EARLY
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...SOUTHEAST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30
KNOTS WITH GALE FORCE GUSTS TO 35 KNOTS BY MID AFTERNOON. A
CHANCE OF RAIN SHOWERS THROUGH EARLY AFTERNOON...THEN RAIN SHOWERS
LIKELY. WAVES BUILDING TO 5 TO 9 FEET OCCASIONALLY TO 11 FEET.
.TUESDAY NIGHT...SOUTH WINDS 20 TO 30 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. RAIN SHOWERS LIKELY THROUGH MIDNIGHT. WAVES
SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 15 TO 25 KNOTS INCREASING TO
20 TO 30 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET
OCCASIONALLY TO 7 FEET.
.THURSDAY...NORTHEAST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. A CHANCE OF RAIN AND SNOW. WAVES BUILDING TO 3 TO
6 FEET OCCASIONALLY TO 8 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ267-170400-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
359 PM EDT SUN APR 16 2017

.LATE THIS AFTERNOON...NORTH WINDS 10 TO 20 KNOTS. PATCHY FOG.
SCATTERED RAIN SHOWERS. WAVES 1 TO 3 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST AFTER
MIDNIGHT. ISOLATED RAIN SHOWERS THROUGH MIDNIGHT. WAVES 1 TO 3
FEET.
.MONDAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING NORTH BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTHEAST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES
BUILDING TO 3 TO 6 FEET OCCASIONALLY TO 8 FEET.
.TUESDAY NIGHT...SOUTH WINDS 20 TO 30 KNOTS BECOMING WEST 15 TO
25 KNOTS AFTER MIDNIGHT. RAIN SHOWERS LIKELY THROUGH MIDNIGHT...
THEN A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO
1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES 1 TO 3 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 15 TO 25 KNOTS. WAVES BUILDING
TO 2 TO 4 FEET.
.THURSDAY...NORTHEAST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. A CHANCE OF RAIN...POSSIBLY MIXED WITH SNOW. WAVES
BUILDING TO 3 TO 5 FEET OCCASIONALLY TO 7 FEET...THEN SUBSIDING
TO 2 TO 4 FEET.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.

$$

LSZ261-170400-
MAFOR 1621/
SUPERIOR WEST 11100 11210 11225 11210 13220 11210. SCATTERED RAIN
SHOWERS WITH AREAS OF DRIZZLE LATE THIS EVENING. AREAS OF DRIZZLE
AFTER MIDNIGHT TONIGHT. PATCHY MONDAY MORNING. WAVES 2 TO 3 FEET.

SUPERIOR NORTH CENTRAL 15120 12110. PATCHY FOG THIS EVENING.
SCATTERED RAIN AND SNOW SHOWERS THIS EVENING. PATCHY FREEZING
DRIZZLE OVERNIGHT. WAVES 1 TO 3 FEET.

SUPERIOR SOUTH CENTRAL 11800 13810 14110. PATCHY FOG EARLY THIS
EVENING. PATCHY DRIZZLE OVERNIGHT. SCATTERED SNOW SHOWERS LATE
MONDAY MORNING. WAVES 2 TO 3 FEET.

SUPERIOR EAST 12810 11110 13120 11110 11810. PATCHY FOG THIS
EVENING. SCATTERED RAIN SHOWERS THROUGH EARLY EVENING. PATCHY
FREEZING DRIZZLE OVERNIGHT THROUGH MID MORNING MONDAY. WAVES 1 TO
3 FEET.

$$

KLUBER

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/MQT/GLFTABLE

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES



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