Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 290132
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
932 PM EDT TUE APR 28 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A WEAK 30.1 INCH LOW PRESSURE TROUGH WILL CROSS LAKE
SUPERIOR TONIGHT. IN ITS WAKE...A 30.2 INCH HIGH PRESSURE RIDGE WILL
MOVE OVER THE GREAT LAKES WEDNESDAY THROUGH FRIDAY NIGHT. A 29.7 INCH
TROUGH WILL CROSS LAKE SUPERIOR SATURDAY MORNING FOLLOWED BY A 30.0
INCH RIDGE SATURDAY NIGHT. A 29.7 INCH LOW PRESSURE TROUGH WILL MOVE
INTO THE WESTERN GREAT LAKES SUNDAY.

LSZ162-290945-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
932 PM EDT TUE APR 28 2015

.REST OF TONIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS VEERING SOUTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS
THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS LESS THAN 10 KNOTS. WAVES 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. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH. A CHANCE
OF RAIN SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ263-290945-
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-
932 PM EDT TUE APR 28 2015

.REST OF TONIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.THURSDAY...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS LESS THAN 10 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING EAST. A CHANCE OF
RAIN SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ264-290945-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
932 PM EDT TUE APR 28 2015

.REST OF TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS LESS THAN 10 KNOTS VEERING EAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES 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. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTHEAST. A
CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ265-290945-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
932 PM EDT TUE APR 28 2015

.REST OF TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH BY MID
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...NORTH WINDS LESS THAN 10 KNOTS. WAVES CALM TO
2 FEET.
.FRIDAY...SOUTHEAST WINDS LESS THAN 10 KNOTS BECOMING EAST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES 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. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ266-290945-
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-
932 PM EDT TUE APR 28 2015

.REST OF TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS. WAVES 2 TO 4 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.THURSDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHEAST
LESS THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS LESS THAN 10 KNOTS. WAVES CALM TO
2 FEET.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS.
A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ267-290945-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
932 PM EDT TUE APR 28 2015

.REST OF TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES
BUILDING TO 2 TO 4 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
RAIN SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.THURSDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...NORTH WINDS LESS THAN 10 KNOTS. WAVES 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 BACKING SOUTH. WAVES
CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES CALM TO 2 FEET.

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

$$
LSZ261-290945-
MAFOR 2903/
SUPERIOR WEST 11700 11810 12800 11100 12300 11200. WAVES 1 FOOT
OR LESS.

SUPERIOR NORTH CENTRAL 12710 13820 11720 12820. WAVES CALM TO 3
FEET.

SUPERIOR SOUTH CENTRAL 11700 11710 14720 12820. WAVES CALM TO 3
FEET.

SUPERIOR EAST 12700 11710 13720 12820. WAVES CALM TO 4 FEET.

$$

PETRO



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