Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 251353
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
953 AM EDT MON AUG 25 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...LOW PRESSURE OF 29.6 INCHES OVER SOUTHEAST MANITOBA WILL
REACH JAMES BAY TONIGHT AND QUEBEC TUESDAY MORNING. AN ASSOCIATED
29.9 INCH TROUGH WILL CROSS LAKE SUPERIOR THIS EVENING. IN ITS
WAKE...HIGH PRESSURE OF 30.2 INCHES WILL SHIFT EAST...SETTLING OVER
THE UPPER GREAT LAKES TUESDAY NIGHT THROUGH THURSDAY. AS THE HIGH
SHIFTS TO THE LOWER GREAT LAKES FRIDAY...A LOW PRESSURE TROUGH OF
29.6 INCHES WILL MOVE SOUTHEAST... EXTENDING FROM JAMES BAY TO THE
DAKOTAS BY FRIDAY EVENING.

LSZ162-252200-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
953 AM EDT MON AUG 25 2014 /853 AM CDT MON AUG 25 2014/

.REST OF TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS BY MID AFTERNOON. PATCHY FOG BY LATE MORNING.
WAVES CALM TO 2 FEET BUILDING TO 3 TO 5 FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS. WAVES 3 TO 5 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTHWEST WINDS LESS THAN 10 KNOTS BACKING SOUTH BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS LESS THAN 10 KNOTS. WAVES CALM
TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES CALM TO
2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST. WAVES CALM TO
2 FEET.

$$

LSZ263-252200-
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-
953 AM EDT MON AUG 25 2014

.REST OF TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS BY MID AFTERNOON. PATCHY FOG BY LATE MORNING.
WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 3 TO
5 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST
LESS THAN 10 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES
CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST. WAVES CALM
TO 2 FEET.

$$

LSZ264-252200-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
953 AM EDT MON AUG 25 2014

.REST OF TODAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST BY
MID AFTERNOON. PATCHY FOG. WAVES 3 TO 5 FEET SUBSIDING TO CALM TO
2 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE EVENING. WAVES BUILDING TO 3 TO 5 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST. WAVES CALM
TO 2 FEET.

$$

LSZ265-252200-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
953 AM EDT MON AUG 25 2014

.REST OF TODAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY
MID AFTERNOON. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
THIS EVENING. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS. WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH LESS
THAN 10 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...WEST WINDS LESS THAN 10 KNOTS INCREASING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES CALM TO
2 FEET.
.FRIDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES CALM
TO 2 FEET.

$$

LSZ266-252200-
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-
953 AM EDT MON AUG 25 2014

.REST OF TODAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. AREAS OF FOG. ISOLATED SHOWERS AND
THUNDERSTORMS. WAVES 3 TO 5 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. PATCHY FOG THROUGH
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES 2 TO 4 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING
TO CALM TO 2 FEET.
.WEDNESDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. WAVES
CALM TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ267-252200-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
953 AM EDT MON AUG 25 2014

.REST OF TODAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH BY
MID AFTERNOON. PATCHY FOG. SCATTERED SHOWERS AND THUNDERSTORMS.
WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST AFTER MIDNIGHT.
PATCHY FOG. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...NORTH WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. WAVES
CALM TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.

$$
LSZ261-252200-
MAFOR 2515/
SUPERIOR WEST 11510 12530 14630 11630. PATCHY FOG THIS AFTERNOON.
WAVES 2 FEET OR LESS BUILDING TO 2 TO 5 FEET THIS AFTERNOON AND
TONIGHT.

SUPERIOR NORTH CENTRAL 11410 11510 11420 11530 11630 11620 12630.
PATCHY FOG THIS AFTERNOON AND EVENING. WAVES 1 TO 5 FEET.

SUPERIOR SOUTH CENTRAL 11420 12310 11420 13620 11630. SLIGHT CHANCE
OF RAIN SHOWERS AND THUNDERSTORMS THIS EVENING. WAVES 1 TO 3 FEET.

SUPERIOR EAST 11420 11413 11313 11420 11520 13620. AREAS OF FOG THIS
AFTERNOON. SCATTERED RAIN SHOWERS AND THUNDERSTORMS THIS AFTERNOON.
PATCHY FOG TONIGHT. SLIGHT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS
TONIGHT. WAVES CALM TO 3 FEET.

$$

PETRO




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