Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 150751
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
351 AM EDT TUE APR 15 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...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 TODAY. 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.

LSZ162-151600-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
351 AM EDT TUE APR 15 2014 /251 AM CDT TUE APR 15 2014/

.EARLY THIS MORNING...NORTHWEST WINDS 5 TO 15 KNOTS. ISOLATED
SNOW SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...NORTH WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST AFTER MIDNIGHT.
ISOLATED 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. FREEZING SPRAY BY MID
AFTERNOON. WAVES BUILDING TO 4 TO 7 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 20 TO 30 KNOTS BECOMING NORTH
15 TO 25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW LIKELY
THROUGH MIDNIGHT. A CHANCE OF SNOW AFTER MIDNIGHT. WAVES BUILDING
TO 5 TO 8 FEET...THEN SUBSIDING TO 3 TO 6 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.THURSDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...EAST 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.

$$

LSZ263-264-151600-
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-
351 AM EDT TUE APR 15 2014

.EARLY THIS MORNING...NORTH WINDS 5 TO 15 KNOTS. ISOLATED SNOW
SHOWERS. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TODAY...NORTH WINDS 5 TO 15 KNOTS BACKING WEST BY MID AFTERNOON.
ISOLATED SNOW SHOWERS. WAVES BUILDING TO 1 TO 3 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHEAST AFTER
MIDNIGHT. ISOLATED SNOW SHOWERS THROUGH MIDNIGHT. WAVES CALM TO
2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 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. FREEZING
SPRAY. SNOW. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO
3 TO 6 FEET.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. FREEZING SPRAY THROUGH EARLY
AFTERNOON. A CHANCE OF SNOW THROUGH EARLY AFTERNOON. WAVES
SUBSIDING TO 1 TO 3 FEET.
.THURSDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.FRIDAY...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST. WAVES
CALM TO 2 FEET.

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

$$

LSZ265-151600-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
351 AM EDT TUE APR 15 2014

.EARLY THIS MORNING...NORTH WINDS 5 TO 15 KNOTS.
.TODAY...NORTHEAST WINDS LESS THAN 10 KNOTS BECOMING NORTH 5 TO
15 KNOTS BY MID AFTERNOON. ISOLATED SNOW SHOWERS THROUGH EARLY
AFTERNOON.
.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 SLIGHT 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.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW.
.THURSDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST.

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

$$

LSZ266-267-151600-
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-
351 AM EDT TUE APR 15 2014

.EARLY THIS MORNING...NORTH WINDS 5 TO 15 KNOTS. ISOLATED SNOW
SHOWERS.
.TODAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. ISOLATED SNOW SHOWERS THROUGH EARLY AFTERNOON.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH AFTER MIDNIGHT.
.WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW.
.WEDNESDAY NIGHT...EAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. SNOW.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. A CHANCE OF SNOW.
.THURSDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KNOTS.

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

$$

LSZ261-151600-
MAFOR 1509/
SUPERIOR WEST 11720 11820 11720 11620 11520 11510 11410 11310.
SCATTERED SNOW SHOWERS THIS MORNING. WAVES 1 TO 3 FEET TODAY. WAVES
2 FEET OR LESS TONIGHT.

SUPERIOR NORTH CENTRAL 13810 11700 11600 12510 11500. WAVES 1 TO 3
FEET TODAY. WAVES 1 FOOT OR LESS TONIGHT.

SUPERIOR SOUTH CENTRAL
11810 11800 11100 11800 11700 11600 11400 11410. WAVES OMITTED FOR
MOSTLY ICE COVERED AREAS.

SUPERIOR EAST 13820 12720 11710 11600 11500. WAVES OMITTED FOR MOSTLY
ICE COVERED AREAS.

$$

JLB





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