Great Lakes Forecast
Issued by NWS

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FZUS63 KMQT 021402
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1002 AM EDT SAT MAY 2 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...HIGH PRESSURE OF 30.1 INCHES CENTERED TO THE EAST OF
MEMPHIS WILL DRIFT SOUTHEAST ACROSS THE SOUTHEASTERN STATES
TODAY...WHILE AN ASSOCIATED SURFACE RIDGE OVER THE GREAT LAKES REGION
MOVES INTO THE NEW ENGLAND STATES BY SUNDAY. MEANWHILE...LOW PRESSURE
OF 29.4 INCHES IN SOUTHERN SASKATCHEWAN WILL CROSS NORTHERN ONTARIO
TONIGHT BEFORE MOVING INTO HUDSON BAY ON SUNDAY MORNING. THIS LOW
WILL DRAG A LOW PRESSURE TROUGH OF 29.7 INCHES ACROSS LAKE SUPERIOR
SUNDAY NIGHT. IN THE WAKE OF THE TROUGH...HIGH PRESSURE OF 30.2
INCHES WILL EXPAND FROM CENTRAL CANADA ACROSS THE GREAT LAKES MONDAY
INTO TUESDAY NIGHT. AS THIS RIDGE OF HIGH PRESSURE SLIDES TO THE EAST
ON WEDNESDAY...BROAD LOW PRESSURE OF 29.6 INCHES WILL DEVELOP OVER
THE PLAINS.

LSZ162-022215-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1002 AM EDT SAT MAY 2 2015

.REST OF TODAY...SOUTH WINDS LESS THAN 10 KNOTS BECOMING EAST
5 TO 15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER MIDNIGHT.
WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. WAVES CALM
TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ263-022215-
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-
1002 AM EDT SAT MAY 2 2015

.REST OF TODAY...SOUTH WINDS LESS THAN 10 KNOTS BECOMING
SOUTHEAST 5 TO 15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES
CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. A CHANCE
OF RAIN SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ264-022215-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1002 AM EDT SAT MAY 2 2015

.REST OF TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING
TO 1 TO 3 FEET.
.SUNDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH MIDNIGHT. WAVES SUBSIDING TO CALM TO
2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES
CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ265-022215-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1002 AM EDT SAT MAY 2 2015

.REST OF TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS BY MID AFTERNOON. SHOWERS AND THUNDERSTORMS LIKELY BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS THROUGH MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES
CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ266-022215-
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-
1002 AM EDT SAT MAY 2 2015

.REST OF TODAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS BY MID
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ267-022215-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1002 AM EDT SAT MAY 2 2015

.REST OF TODAY...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS AFTER MIDNIGHT. RAIN SHOWERS LIKELY THROUGH MIDNIGHT. A
SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING
TO CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.

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

$$
LSZ261-022215-
MAFOR 0215/
SUPERIOR WEST 11400 11200 12210 11300 11410 12510. WAVES 2 FEET
OR LESS.

SUPERIOR NORTH CENTRAL 12300 12310 14410. WAVES 2 FEET OR LESS.

SUPERIOR SOUTH CENTRAL 11300 11200 11210 11310 13410 11420. WAVES
CALM TO 3 FEET.

SUPERIOR EAST 11400 11300 11200 11300 14410. WAVES CALM TO 3 FEET.

$$

KEC


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