Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 131941
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
341 PM EDT SUN APR 13 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.4 INCH LOW PRESSURE SYSTEM OVER MISSOURI WILL
TRACK ALONG A 29.6 INCH TROUGH ACROSS WISCONSIN AND LOWER MICHIGAN
THROUGH MONDAY...REACHING SOUTHERN QUEBEC AT 29.3 INCHES BY
MONDAY AFTERNOON. MEANWHILE...30.5 INCH HIGH PRESSURE WILL BUILD
ACROSS SOUTH CENTRAL CANADA. A 30.1 INCH RIDGE EXTENDING FROM THE
HIGH WILL DRIFT ACROSS THE UPPER MISSISSIPPI VALLEY TUESDAY AND THE
GREAT LAKES REGION TUESDAY NIGHT. 29.6 INCH LOW PRESSURE OVER THE
CENTRAL PLAINS WEDNESDAY MORNING WILL EXTEND A 30.1 INCH TROUGH
ACROSS LAKE SUPERIOR WEDNESDAY NIGHT THROUGH FRIDAY. MEANWHILE...A
30.6 INCH HIGH PRESSURE WILL BUILD ACROSS NORTHERN ONTARIO.

LSZ162-140345-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
341 PM EDT SUN APR 13 2014 /241 PM CDT SUN APR 13 2014/

.LATE THIS AFTERNOON...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM
TO 2 FEET.
.TONIGHT...NORTH WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.MONDAY...NORTH WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS THROUGH EARLY
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO
2 TO 4 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF
SNOW. WAVES 2 TO 4 FEET.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES CALM TO 2 FEET.

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

$$

LSZ263-140345-
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-
341 PM EDT SUN APR 13 2014

.LATE THIS AFTERNOON...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH 20 TO
30 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW AFTER MIDNIGHT.
WAVES BUILDING TO 3 TO 6 FEET.
.MONDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW BY MID
AFTERNOON. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO
5 FEET.
.MONDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO
2 TO 4 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF
SNOW. WAVES 2 TO 4 FEET.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES CALM TO 2 FEET.

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

$$

LSZ264-140345-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
341 PM EDT SUN APR 13 2014

...GALE WARNING IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...

.LATE THIS AFTERNOON...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH 20 TO 30
KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW. WAVES BUILDING TO 5 TO
8 FEET.
.MONDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
BY MID AFTERNOON. HEAVY FREEZING SPRAY THROUGH EARLY AFTERNOON. A
SLIGHT CHANCE OF SNOW BY MID AFTERNOON. WAVES SUBSIDING TO 3 TO
5 FEET.
.MONDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH
LESS THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO
1 TO 3 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF
SNOW. WAVES BUILDING TO 2 TO 4 FEET.
.THURSDAY...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES CALM TO 2 FEET.

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

$$

LSZ265-140345-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
341 PM EDT SUN APR 13 2014

...GALE WARNING IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...

.LATE THIS AFTERNOON...NORTHWEST WINDS 5 TO 15 KNOTS.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH 20 TO
30 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW...POSSIBLY MIXED WITH RAIN
IN THE EVENING.
.MONDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW.
.MONDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW THROUGH
EARLY AFTERNOON...THEN SNOW LIKELY.
.WEDNESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST
AFTER MIDNIGHT. A CHANCE OF SNOW.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN AND SNOW
SHOWERS.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

LSZ266-267-140345-
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-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
341 PM EDT SUN APR 13 2014

...GALE WARNING IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...

.LATE THIS AFTERNOON...NORTHWEST WINDS 5 TO 15 KNOTS.
.TONIGHT...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN AND SNOW THROUGH
MIDNIGHT...THEN SNOW LIKELY.
.MONDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
BY MID AFTERNOON. A CHANCE OF SNOW.
.MONDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS.
.TUESDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH AFTER
MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING EAST BY MID
AFTERNOON. A CHANCE OF SNOW THROUGH EARLY AFTERNOON...THEN SNOW
LIKELY.
.WEDNESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN AND SNOW
SHOWERS.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

LSZ261-140345-
MAFOR 1321/
SUPERIOR WEST 12720 14830 11830 11820. WAVES 1 TO 4 FEET.
NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...11600 11720 11730
14850 11840. SLIGHT CHANCE OF SNOW OVERNIGHT. WAVES 2 FEET OR LESS
BUILDING TO 4 TO 7 FEET TONIGHT AND MONDAY. NOTE...WAVES OMITTED FOR
MOSTLY ICE COVERED AREAS.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...11700 11710 11830
14850 11840. SLIGHT CHANCE OF RAIN THIS EVENING. CHANCE OF SNOW
TONIGHT. SLIGHT CHANCE OF SNOW MONDAY. NOTE...WAVES OMITTED FOR
MOSTLY ICE COVERED AREAS.

SUPERIOR EAST...GALE WARNING IN EFFECT...11800 11710 11820 11837
12857 12840. SLIGHT CHANCE OF RAIN THIS EVENING. CHANCE OF SNOW
MONDAY AFTERNOON. NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

KEC






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