Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 231329
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
929 AM EDT TUE SEP 23 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.3 INCH HIGH CENTERED OVER THE OHIO VALLEY WILL MOVE
TO NEW ENGLAND BY THIS EVENING...WHILE KEEPING A RIDGE OF 30.2 INCHES
OVER LAKE SUPERIOR. THIS HIGH PRESSURE SYSTEM WILL REMAIN NEARLY
STATIONARY THROUGH FRIDAY WHILE STRENGTHENING FURTHER TO 30.6 INCHES.
THIS WILL KEEP LAKE SUPERIOR UNDER A RIDGE AVERAGING 30.3 INCHES
THROUGH THE SAME TIME PERIOD. ON SATURDAY...THE CENTER OF THE HIGH
WILL MOVE BACK OVER THE GREAT LAKES AT 30.2 INCHES. A LOW PRESSURE
TROUGH OF 29.9 INCHES WILL MOVE INTO THE NORTHERN PLAINS AND FAR
WESTERN ONTARIO SATURDAY.

LSZ162-232130-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
929 AM EDT TUE SEP 23 2014 /829 AM CDT TUE SEP 23 2014/

.REST OF TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT AND WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2
FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SHOWERS THROUGH MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY THROUGH FRIDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ263-264-232130-
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-
929 AM EDT TUE SEP 23 2014

.REST OF TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY
MID AFTERNOON. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT AND WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2
FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.THURSDAY THROUGH FRIDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ265-232130-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
929 AM EDT TUE SEP 23 2014

.REST OF TODAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTH LESS
THAN 10 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST. WAVES CALM
TO 2 FEET.
.SATURDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. WAVES
CALM TO 2 FEET.

$$

LSZ266-267-232130-
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-
929 AM EDT TUE SEP 23 2014

.REST OF TODAY...WEST WINDS LESS THAN 10 KNOTS BACKING SOUTHEAST
BY MID AFTERNOON. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST. WAVES
CALM TO 2 FEET.

$$
LSZ261-232130-
MAFOR 2315/
SUPERIOR WEST 11510 11500 11400 11300 14410. WAVES 2 FEET OR LESS.

SUPERIOR NORTH CENTRAL 12500 11400 14410 11410. WAVES 1 TO 2 FEET.

SUPERIOR SOUTH CENTRAL 11700 11800 11200 11310 11410 11510 12410.
WAVES 2 FEET OR LESS.

SUPERIOR EAST 11500 11400 12300 14410. WAVES 2 FEET OR LESS.

$$

PETRO





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