Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 160137
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
937 PM EDT TUE APR 15 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...HIGH PRESSURE OF 30.1 INCHES EXTENDING FROM THE GREAT
LAKES INTO THE SOUTHERN PLAINS WILL STRENGTHEN TO 30.4 INCHES AS IT
MOVES EASTWARD OVERNIGHT...CONSOLIDATING OVER THE NEW ENGLAND STATES
BY WEDNESDAY AFTERNOON. MEANWHILE...LOW PRESSURE OF 29.7 INCHES OVER
IOWA WEDNESDAY EVENING WILL LIFT NORTHEASTWARD ACROSS UPPER MICHIGAN
WEDNESDAY NIGHT INTO THURSDAY EVENING...WEAKENING TO 30.2 INCHES.
HIGH PRESSURE OF 30.5 INCHES EXTENDING FROM MANITOBA TO THE EAST
COAST THURSDAY MORNING WILL DROP A 30.3 INCH RIDGE INTO THE UPPER
GREAT LAKES BY FRIDAY...FORCING THE LOW INTO THE LOWER GREAT LAKES BY
FRIDAY EVENING. THE HIGH WILL GRADUALLY DRIFT EASTWARD SATURDAY AND
SUNDAY...EVENTUALLY SETTLING OVER THE LOWER GREAT LAKES BY LATE
SUNDAY AFTERNOON.

LSZ162-160945-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
937 PM EDT TUE APR 15 2014 /837 PM CDT TUE APR 15 2014/

...GALE WARNING IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
THURSDAY MORNING...

.REST OF TONIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST AFTER
MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES
CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 15 TO 25 KNOTS INCREASING TO GALES TO 35
KNOTS BY MID AFTERNOON. A CHANCE OF SNOW THROUGH EARLY
AFTERNOON...THEN SNOW LIKELY. WAVES BUILDING TO 5 TO 8 FEET.
.WEDNESDAY NIGHT...NORTHEAST GALES TO 35 KNOTS. SNOW LIKELY
THROUGH MIDNIGHT...THEN A CHANCE OF SNOW. WAVES BUILDING TO 7 TO 10
FEET.
.THURSDAY...NORTHEAST WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. A FEW GALE FORCE GUSTS TO 35 KNOTS IN THE
MORNING. A SLIGHT CHANCE OF SNOW. WAVES SUBSIDING TO 1 TO 3 FEET.
.THURSDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.FRIDAY...NORTH WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN. WAVES
CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES CALM TO
2 FEET.

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

$$

LSZ263-264-160945-
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-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
937 PM EDT TUE APR 15 2014

.REST OF TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING EAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW THROUGH EARLY
AFTERNOON...THEN SNOW LIKELY. WAVES BUILDING TO 3 TO 5 FEET.
.WEDNESDAY NIGHT...EAST WINDS 20 TO 30 KNOTS. SNOW. WAVES
BUILDING TO 4 TO 7 FEET.
.THURSDAY...NORTHEAST WINDS 20 TO 30 KNOTS BECOMING NORTH 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW. WAVES SUBSIDING TO
1 TO 3 FEET.
.THURSDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.FRIDAY...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. A CHANCE
OF RAIN. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES CALM
TO 2 FEET.

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

$$

LSZ265-160945-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
937 PM EDT TUE APR 15 2014

.REST OF TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH
AFTER MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW THROUGH EARLY
AFTERNOON...THEN SNOW LIKELY.
.WEDNESDAY NIGHT...EAST WINDS 20 TO 30 KNOTS. SNOW.
.THURSDAY...EAST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS BY MID AFTERNOON. SNOW THROUGH EARLY AFTERNOON...THEN A
SLIGHT CHANCE OF SNOW.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH BY MID
AFTERNOON.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF RAIN AND SNOW.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS.

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

$$

LSZ266-267-160945-
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-
937 PM EDT TUE APR 15 2014

.REST OF TONIGHT...SOUTHWEST WINDS LESS THAN 10 KNOTS BECOMING
SOUTH 5 TO 15 KNOTS AFTER MIDNIGHT.
.WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING EAST 15 TO
25 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW THROUGH EARLY
AFTERNOON...THEN SNOW LIKELY.
.WEDNESDAY NIGHT...EAST WINDS 15 TO 25 KNOTS. SNOW.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST BY
MID AFTERNOON. SNOW LIKELY THROUGH EARLY AFTERNOON...THEN A
CHANCE OF SNOW.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH BY MID
AFTERNOON.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KNOTS.

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

$$
LSZ261-160945-
MAFOR 1603/
SUPERIOR WEST...GALE WARNING IN EFFECT...11410 11310 12220 11237
12247 11157. CHANCE OF SNOW WEDNESDAY MORNING. WAVES 2 FEET OR LESS
OVERNIGHT BUILDING TO 4 TO 9 FEET WEDNESDAY. NOTE...WAVE HEIGHT
FORECASTS ARE FOR ICE FREE AREAS.

SUPERIOR NORTH CENTRAL 11510 11500 11400 11310 11320 11220 12237.
WAVES CALM TO 3 FEET. NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE
AREAS.

SUPERIOR SOUTH CENTRAL 11500 11400 11410 11310 11320 11337 11237
11247. SLIGHT CHANCE OF SNOW WEDNESDAY MORNING. NOTE...WAVES OMITTED
FOR MOSTLY ICE COVERED AREAS.

SUPERIOR EAST 11600 12500 12410 11320 12237. NOTE...WAVES OMITTED
FOR MOSTLY ICE COVERED AREAS.

$$

KEC






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