Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 270148
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
948 PM EDT THU MAR 26 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.9 INCH TROUGH OVER THE LOWER GREAT LAKES WILL MOVE
EASTWARD OVERNIGHT. 30.5 INCH HIGH PRESSURE OVER THE SOUTHERN
MANITOBA AND ONTARIO BORDER WILL MOVE OVER LAKE SUPERIOR ON FRIDAY.
EXPECT THIS HIGH TO DRIFT SOUTHEASTWARD TO NEAR LOWER MICHIGAN ON
SATURDAY AND OVER THE MID ATLANTIC STATES ON SUNDAY. A 29.5 INCH LOW
PRESSURE SYSTEM OVER NORTHWEST ONTARIO ON SUNDAY WILL PASS A TROUGH
ACROSS THE UPPER GREAT LAKES SUNDAY AFTERNOON...THEN MOVE INTO QUEBEC
ON MONDAY. IN ITS WAKE...LOOK FOR A 30.0 INCH HIGH PRESSURE RIDGE TO
FOLLOW INTO THE UPPER GREAT LAKES ON MONDAY. ANOTHER 29.7 INCH LOW
PRESSURE WILL THEN TRACK SOUTHEASTWARD ACROSS THE GREAT LAKES REGION
MONDAY NIGHT THROUGH TUESDAY.

LSZ162-271000-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
948 PM EDT THU MAR 26 2015

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHEAST 10
TO 20 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS. WAVES 1 TO 3 FEET
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH LESS
THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST
GALES TO 35 KNOTS LATE. A CHANCE OF SNOW AFTER MIDNIGHT. WAVES
BUILDING TO 3 TO 5 FEET.
.SUNDAY...WEST GALES TO 35 KNOTS. RAIN...POSSIBLY MIXED WITH SNOW
THROUGH EARLY AFTERNOON. WAVES 3 TO 5 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING NORTHEAST. WAVES
CALM TO 2 FEET.

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

$$

LSZ263-271000-
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-
948 PM EDT THU MAR 26 2015

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHEAST 10
TO 20 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS THROUGH EARLY
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST
GALES TO 35 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW AFTER MIDNIGHT.
WAVES BUILDING TO 3 TO 6 FEET.
.SUNDAY...SOUTHWEST GALES TO 35 KNOTS VEERING WEST BY MID
AFTERNOON. RAIN AND SNOW LIKELY THROUGH EARLY AFTERNOON...THEN A
CHANCE OF RAIN. WAVES 3 TO 6 FEET.
.SUNDAY NIGHT...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES SUBSIDING
TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO 15 KNOTS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST. WAVES CALM TO
2 FEET.

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

$$

LSZ264-271000-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
948 PM EDT THU MAR 26 2015

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS.
.FRIDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING WEST LESS THAN
10 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS
THROUGH EARLY AFTERNOON.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON.
.SATURDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO GALES
TO 35 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW AFTER MIDNIGHT.
.SUNDAY...SOUTHWEST GALES TO 35 KNOTS VEERING WEST BY MID AFTERNOON.
SNOW...POSSIBLY MIXED WITH RAIN THROUGH EARLY AFTERNOON...THEN A
CHANCE OF RAIN...POSSIBLY MIXED WITH SNOW.
.SUNDAY NIGHT...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS BY MIDNIGHT. A CHANCE OF SNOW.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST.

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

$$

LSZ265-271000-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
948 PM EDT THU MAR 26 2015

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES 2 TO
4 FEET SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
CALM TO 2 FEET.
.FRIDAY NIGHT...NORTH WINDS LESS THAN 10 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY...SOUTHWEST GALES TO 35 KNOTS VEERING WEST BY MID AFTERNOON.
SNOW...POSSIBLY MIXED WITH RAIN THROUGH EARLY AFTERNOON...THEN A
CHANCE OF RAIN...POSSIBLY MIXED WITH SNOW. WAVES BUILDING TO 3 TO 5
FEET.
.SUNDAY NIGHT...WEST GALES TO 35 KNOTS BECOMING NORTHWEST 20 TO 30
KNOTS BY MIDNIGHT. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO 6
FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

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

$$

LSZ266-271000-
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-
948 PM EDT THU MAR 26 2015

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KNOTS. SCATTERED SNOW
SHOWERS.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST LESS
THAN 10 KNOTS AFTER MIDNIGHT.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON.
.SATURDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO GALES
TO 35 KNOTS AFTER MIDNIGHT.
.SUNDAY...SOUTH GALES TO 35 KNOTS VEERING WEST BY MID AFTERNOON.
SNOW LIKELY. RAIN LIKELY BY MID AFTERNOON.
.SUNDAY NIGHT...WEST GALES TO 35 KNOTS BECOMING NORTHWEST 20 TO 30
KNOWS AFTER MIDNIGHT. A CHANCE OF SNOW.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS. A CHANCE OF SNOW.
.TUESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS.

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

$$

LSZ267-271000-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
948 PM EDT THU MAR 26 2015

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KNOTS. SCATTERED SNOW
SHOWERS...BECOMING ISOLATED OVERNIGHT.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS THROUGH EARLY
AFTERNOON.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST AFTER
MIDNIGHT.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT.
.SUNDAY...SOUTH GALES TO 35 KNOTS VEERING WEST BY MID AFTERNOON.
SNOW LIKELY.
.SUNDAY NIGHT...WEST GALES TO 35 KNOTS BECOMING NORTHWEST 20 TO 30
KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW.
.MONDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 5 TO
15 KNOTS. A CHANCE OF SNOW.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST.

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

$$
LSZ261-271000-
MAFOR 2703/
SUPERIOR WEST 11830 13120 11210 13300. WAVES 3 FEET OR LESS.

SUPERIOR NORTH CENTRAL 12820 11810 11100 11800 11700 11600 11500.
WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR SOUTH CENTRAL 11840 11830 12820 12810 12800. SCATTERED
SNOW SHOWERS THROUGH FRIDAY MORNING. WAVES 1 TO 4 FEET OVERNIGHT
SUBSIDING TO 2 FEET OR LESS FRIDAY AND FRIDAY EVENING.

SUPERIOR EAST 11830 12820 12810 13710. SCATTERED SNOW
SHOWERS...ENDING OVERNIGHT. WAVES OMITTED FOR MOSTLY ICE COVERED
AREAS.

$$

KLUBER


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