Great Lakes Forecast
Issued by NWS

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FZUS63 KMQT 150142
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
942 PM EDT MON APR 14 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.3 INCH LOW PRESSURE SYSTEM OVER CENTRAL QUEBEC WILL
CONTINUE TO MOVE AWAY FROM THE REGION TONIGHT. 30.5 INCH HIGH
PRESSURE OVER SOUTH CENTRAL CANADA AND THE NORTHERN PLAINS WILL
WEAKEN TO 30.2 INCHES AS IT MOVES INTO THE UPPER GREAT LAKES ON
TUESDAY. 29.6 INCH LOW PRESSURE OVER THE CENTRAL PLAINS WEDNESDAY
MORNING WILL TRACK TO SOUTHEAST WISCONSIN ON THURSDAY AND WEAKEN TO
30.1 INCHES. A 30.5 INCH HIGH PRESSURE WILL BUILD INTO THE UPPER
GREAT LAKES ON FRIDAY INTO SATURDAY.

LSZ162-150945-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
942 PM EDT MON APR 14 2014 /842 PM CDT MON APR 14 2014/

.REST OF TONIGHT...NORTH WINDS 10 TO 20 KNOTS. ISOLATED SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. ISOLATED SNOW SHOWERS THROUGH EARLY AFTERNOON. WAVES
CALM TO 2 FEET.
.TUESDAY NIGHT...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 20 TO
30 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW THROUGH EARLY
AFTERNOON...THEN SNOW BY MID AFTERNOON. WAVES BUILDING TO 3 TO
5 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 20 TO 30 KNOTS BECOMING NORTH
15 TO 25 KNOTS AFTER MIDNIGHT. SNOW LIKELY THROUGH MIDNIGHT...
THEN A CHANCE OF SNOW AFTER MIDNIGHT. WAVES BUILDING TO 3 TO
6 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST BY MID
AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.THURSDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING
TO CALM TO 2 FEET.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.

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

$$

LSZ263-264-150945-
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-
942 PM EDT MON APR 14 2014

.REST OF TONIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...NORTH WINDS 5 TO 15 KNOTS BACKING WEST BY MID AFTERNOON.
ISOLATED SNOW SHOWERS THROUGH EARLY AFTERNOON. WAVES SUBSIDING TO
CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST 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 THROUGH EARLY AFTERNOON...THEN
SNOW LIKELY BY MID AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 20 TO 30 KNOTS. SNOW LIKELY.
WAVES BUILDING TO 3 TO 6 FEET.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO 20 KNOTS
BY MID AFTERNOON. A CHANCE OF SNOW THROUGH EARLY AFTERNOON. WAVES
SUBSIDING TO 1 TO 3 FEET.
.THURSDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING
TO CALM TO 2 FEET.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.

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

$$

LSZ265-150945-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
942 PM EDT MON APR 14 2014

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS.
.TUESDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. ISOLATED SNOW SHOWERS.
.TUESDAY NIGHT...WEST WINDS LESS THAN 10 KNOTS BECOMING SOUTH
5 TO 15 KNOTS 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 BY MID AFTERNOON.
.WEDNESDAY NIGHT...EAST WINDS 15 TO 25 KNOTS BECOMING NORTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. SNOW THROUGH MIDNIGHT...THEN SNOW
LIKELY AFTER MIDNIGHT.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
BY MID AFTERNOON. A CHANCE OF RAIN THROUGH EARLY AFTERNOON. A CHANCE
OF SNOW.
.THURSDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST.

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

$$

LSZ266-267-150945-
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-
942 PM EDT MON APR 14 2014

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS.
.TUESDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. ISOLATED SNOW SHOWERS THROUGH EARLY AFTERNOON.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH AFTER
MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW THROUGH EARLY
AFTERNOON...THEN A CHANCE OF SNOW BY MID AFTERNOON.
.WEDNESDAY NIGHT...EAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. SNOW THROUGH MIDNIGHT...THEN SNOW LIKELY
AFTER MIDNIGHT.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. A CHANCE OF SNOW...POSSIBLY MIXED WITH RAIN.
.THURSDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS.

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

$$
LSZ261-150945-
MAFOR 1503/
SUPERIOR WEST 12810 11820 11720 11710 11610 11510 11410. ISOLATED
SNOW SHOWERS TONIGHT. WAVES 2 FEET OR LESS. NOTE...WAVE HEIGHT
FORECASTS ARE FOR ICE FREE AREAS.

SUPERIOR NORTH CENTRAL 13820 12810 11700 11600 11500. ISOLATED SNOW
SHOWERS OVERNIGHT THROUGH TUESDAY MORNING. WAVES CALM TO 4 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

SUPERIOR SOUTH CENTRAL 11830 11820 12810 11800 13700. ISOLATED SNOW
SHOWERS OVERNIGHT THROUGH TUESDAY. NOTE...WAVES OMITTED FOR MOSTLY
ICE COVERED AREAS.

SUPERIOR EAST 11830 13820 12720 12710. ISOLATED SNOW SHOWERS
OVERNIGHT THROUGH TUESDAY MORNING. NOTE...WAVES OMITTED FOR MOSTLY
ICE COVERED AREAS.

$$

KEC





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