Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 261400
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1000 AM EDT THU MAY 26 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.4 INCH HIGH PRESSURE OVER NORTHERN QUEBEC WILL SLIDE
EASTWARD TODAY WHILE A 29.6 INCH LOW PRESSURE NEAR LAKE WINNIPEG
REMAINS NEARLY STATIONARY. EXPECT ANOTHER 29.6 INCH LOW TO DEVELOP
IN THE CENTRAL PLAINS ON FRIDAY AND DRIFT INTO THE UPPER MISSISSIPPI
VALLEY ON SATURDAY AND SUNDAY. A LOW PRESSURE TROUGH AVERAGING 29.9
INCHES WILL EXTEND FROM THIS LOW INTO THE UPPER GREAT LAKES THROUGH
MONDAY.

LSZ162-262200-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1000 AM EDT THU MAY 26 2016 /900 AM CDT THU MAY 26 2016/

.REST OF TODAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY
MID AFTERNOON. AREAS OF FOG. SCATTERED SHOWERS AND THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS LESS THAN 10 KNOTS BACKING NORTHEAST AFTER
MIDNIGHT. AREAS OF FOG. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...NORTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH EARLY
AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING
TO 1 TO 3 FEET.
.FRIDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG. RAIN
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES BUILDING TO
2 TO 4 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. PATCHY FOG. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTH LESS
THAN 10 KNOTS AFTER MIDNIGHT. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTHEAST. WAVES CALM
TO 2 FEET.

$$

LSZ263-262200-
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-
1000 AM EDT THU MAY 26 2016

.REST OF TODAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTH
LESS THAN 10 KNOTS BY MID AFTERNOON. AREAS OF FOG. SCATTERED SHOWERS
AND THUNDERSTORMS. WAVES 2 TO 4 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...EAST WINDS LESS THAN 10 KNOTS BACKING NORTHEAST AFTER
MIDNIGHT. AREAS OF FOG. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...NORTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG THROUGH EARLY
AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING
TO 1 TO 3 FEET.
.FRIDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. PATCHY FOG. RAIN
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS. PATCHY FOG. RAIN SHOWERS
LIKELY THROUGH EARLY AFTERNOON. A CHANCE OF THUNDERSTORMS. A
CHANCE OF RAIN SHOWERS BY MID AFTERNOON. WAVES BUILDING TO 1 TO
3 FEET.
.SATURDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH
AFTER MIDNIGHT. SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTHEAST. WAVES CALM
TO 2 FEET.

$$

LSZ264-262200-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1000 AM EDT THU MAY 26 2016

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.REST OF TODAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH
LESS THAN 10 KNOTS BY MID AFTERNOON. AREAS OF DENSE FOG. ISOLATED
SHOWERS AND THUNDERSTORMS BY MID AFTERNOON. WAVES 3 TO 5 FEET
SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS LESS THAN 10 KNOTS BECOMING EAST 5 TO
15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS THROUGH
MIDNIGHT. AREAS OF DENSE FOG THROUGH THE EVENING. WAVES CALM TO 2
FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS. AREAS OF FOG. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. PATCHY FOG. A CHANCE
OF RAIN SHOWERS THROUGH MIDNIGHT. A CHANCE OF THUNDERSTORMS. RAIN
SHOWERS LIKELY AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS. PATCHY FOG. RAIN SHOWERS
LIKELY THROUGH EARLY AFTERNOON. A CHANCE OF THUNDERSTORMS. A
CHANCE OF RAIN SHOWERS BY MID AFTERNOON. WAVES 1 TO 3 FEET.
.SATURDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH
AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTHEAST. WAVES CALM
TO 2 FEET.

$$

LSZ265-262200-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1000 AM EDT THU MAY 26 2016

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.REST OF TODAY...WEST WINDS LESS THAN 10 KNOTS BECOMING EAST 5 TO
15 KNOTS BY MID AFTERNOON. AREAS OF DENSE FOG. ISOLATED SHOWERS AND
THUNDERSTORMS BY MID AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO CALM
TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST LESS
THAN 10 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH MIDNIGHT. AREAS OF DENSE FOG THROUGH THE
EVENING. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS. PATCHY FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. PATCHY FOG. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG. SHOWERS
LIKELY THROUGH EARLY AFTERNOON. A CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS BY MID AFTERNOON. WAVES BUILDING TO 1 TO
3 FEET.
.SATURDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTHEAST. WAVES
CALM TO 2 FEET.

$$

LSZ266-262200-
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-
1000 AM EDT THU MAY 26 2016

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.REST OF TODAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING WEST LESS
THAN 10 KNOTS BY MID AFTERNOON. AREAS OF DENSE FOG. ISOLATED SHOWERS
AND THUNDERSTORMS BY MID AFTERNOON. WAVES 3 TO 5 FEET SUBSIDING TO
CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT. AREAS OF DENSE FOG THROUGH THE EVENING. WAVES CALM TO 2
FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS. AREAS OF FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. PATCHY FOG. RAIN SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. PATCHY FOG. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FEET...
THEN SUBSIDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH. WAVES CALM
TO 2 FEET.

$$

LSZ267-262200-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1000 AM EDT THU MAY 26 2016

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.REST OF TODAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING EAST LESS
THAN 10 KNOTS BY MID AFTERNOON. AREAS OF DENSE FOG. ISOLATED SHOWERS
AND THUNDERSTORMS BY MID AFTERNOON. WAVES 3 TO 5 FEET SUBSIDING TO
CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS LESS THAN 10 KNOTS BECOMING SOUTH 5 TO
15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH MIDNIGHT. AREAS OF DENSE FOG THROUGH THE
EVENING. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS. PATCHY FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS AFTER MIDNIGHT. PATCHY FOG. RAIN SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH BY MID
AFTERNOON. PATCHY FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO 15 KNOTS.
WAVES CALM TO 2 FEET.

$$
LSZ261-262200-
MAFOR 2615/
SUPERIOR WEST 11203 12103 12203 12103 11100. CHANCE OF SHOWERS
THIS AFTERNOON AND FRIDAY MORNING. WAVES 2 FEET OR LESS.

SUPERIOR NORTH CENTRAL...DENSE FOG ADVISORY IN EFFECT...11204
12404 11304 11303 11203 11103 11203. WAVES CALM TO 4 FEET.

SUPERIOR SOUTH CENTRAL...DENSE FOG ADVISORY IN EFFECT...11604
11104 11204 11304 12303 12100. CHANCE OF SHOWERS AND THUNDERSTORMS
THIS AFTERNOON AND FRIDAY MORNING. WAVES CALM TO 4 FEET.

SUPERIOR EAST...DENSE FOG ADVISORY IN EFFECT...11404 11604 11104
11304 11303 11403 11203 11200. WAVES CALM TO 4 FEET.

$$

PETRO


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