Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 211352
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
952 AM EDT THU AUG 21 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...LOW PRESSURE OF 29.9 INCHES OVER SOUTHERN ONTARIO WILL
WEAKEN AS IT MOVES EAST INTO NEW ENGLAND THROUGH TONIGHT.
MEANWHILE...LOW PRESSURE OF 29.7 INCHES ACROSS THE NORTHERN PLAINS
WILL WEAKEN TO 29.9 INCHES AS IT REACHES THE WESTERN GREAT LAKES ON
FRIDAY AND THEN DISSIPATES.  BEYOND THIS...LOW PRESSURE OF 29.9
INCHES WILL DEEPEN TO 29.6 INCHES OVER THE DAKOTAS THROUGH THIS
WEEKEND WITH HIGH PRESSURE OF 30.1 INCHES TAKING SHAPE ACROSS THE
MID ATLANTIC STATES. THIS LOW WILL LIFT NORTH INTO MANITOBA THROUGH
THE DAY MONDAY AS THE RIDGE OVER THE MID ATLANTIC STRENGTHENS TO
30.2 INCHES AND REACHES WESTWARD INTO THE EASTERN GREAT LAKES.

LSZ162-212200-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
952 AM EDT THU AUG 21 2014 /852 AM CDT THU AUG 21 2014/

.REST OF TODAY...EAST WINDS 10 TO 20 KNOTS BECOMING NORTHEAST
15 TO 25 KNOTS BY MID AFTERNOON. AREAS OF FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET BUILDING TO 2 TO
4 FEET.
.TONIGHT...NORTHEAST WINDS 10 TO 20 KNOTS. PATCHY FOG. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTHEAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH EARLY AFTERNOON. AREAS OF FOG.
WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. AREAS OF FOG.
WAVES CALM TO 2 FEET.
.SATURDAY...NORTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. AREAS OF FOG. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. AREAS OF FOG. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS. AREAS OF FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. AREAS OF FOG. WAVES CALM TO
2 FEET.

$$

LSZ264-212200-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
952 AM EDT THU AUG 21 2014

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING...

.REST OF TODAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. WIDESPREAD FOG BY LATE MORNING...THEN
AREAS OF FOG BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
AFTER MIDNIGHT. AREAS OF FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. AREAS OF FOG. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. AREAS OF FOG. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS THROUGH EARLY AFTERNOON. AREAS OF FOG. WAVES
CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. AREAS OF FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. AREAS OF
FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO
1 TO 3 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. AREAS OF
FOG. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ263-212200-
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-
952 AM EDT THU AUG 21 2014

.REST OF TODAY...EAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST
10 TO 20 KNOTS BY MID AFTERNOON. AREAS OF FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET BUILDING TO 1 TO
3 FEET.
.TONIGHT...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST AFTER
MIDNIGHT. AREAS OF FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. AREAS OF FOG. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. AREAS OF FOG. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
EARLY AFTERNOON. AREAS OF FOG. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. AREAS OF FOG. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS 10 TO 20 KNOTS VEERING SOUTH. AREAS OF FOG.
A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. AREAS OF
FOG. WAVES CALM TO 2 FEET.

$$

LSZ265-212200-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
952 AM EDT THU AUG 21 2014

.REST OF TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST
10 TO 20 KNOTS BY MID AFTERNOON. WIDESPREAD FOG BY LATE MORNING...
THEN AREAS OF FOG BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
AFTER MIDNIGHT. AREAS OF FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS THROUGH EARLY AFTERNOON. AREAS OF FOG. WAVES
CALM TO 2 FEET.
.FRIDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. AREAS OF FOG. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS. AREAS OF FOG. WAVES CALM TO
2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. AREAS OF FOG. WAVES CALM TO
2 FEET.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. AREAS OF
FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO
1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. AREAS OF
FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ266-267-212200-
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-
952 AM EDT THU AUG 21 2014

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING...

.REST OF TODAY...SOUTHEAST WINDS LESS THAN 10 KNOTS BECOMING EAST
5 TO 15 KNOTS BY MID AFTERNOON. WIDESPREAD FOG BY LATE MORNING...
THEN AREAS OF FOG BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS. AREAS OF FOG. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS THROUGH EARLY AFTERNOON. AREAS OF FOG. WAVES
CALM TO 2 FEET.
.FRIDAY NIGHT...EAST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS AFTER MIDNIGHT. AREAS OF FOG. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS BY MID AFTERNOON. AREAS OF FOG. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. AREAS OF FOG. WAVES CALM TO
2 FEET.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. AREAS OF
FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO
1 TO 3 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. AREAS OF FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.

$$

LSZ261-212200-
MAFOR 2115/
SUPERIOR WEST 11220 12130 12140 12133 11113. PATCHY FOG. CHANCE OF
RAIN SHOWERS AND THUNDERSTORMS THIS AFTERNOON. AREAS OF FOG. CHANCE
OF RAIN SHOWERS AND THUNDERSTORMS TONIGHT. AREAS OF FOG. SLIGHT
CHANCE OF RAIN SHOWERS AND THUNDERSTORMS FRIDAY MORNING. WAVES 1 TO
3 FEET THIS AFTERNOON. WAVES 2 TO 4 FEET TONIGHT. WAVES 1 TO 3 FEET
FRIDAY MORNING.

SUPERIOR NORTH CENTRAL 12313 14223 12213. AREAS OF FOG THIS
AFTERNOON. AREAS OF FOG. CHANCE OF RAIN SHOWERS AND THUNDERSTORMS
TONIGHT. AREAS OF FOG. SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS FRIDAY MORNING. WAVES 1 FOOT OR LESS THIS AFTERNOON.
WAVES 2 FEET OR LESS TONIGHT. WAVES AROUND 1 FOOT FRIDAY MORNING.

SUPERIOR SOUTH CENTRAL 11313 11323 14223 11213 11203. AREAS OF FOG
THIS AFTERNOON. AREAS OF FOG. CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS TONIGHT. AREAS OF FOG. SLIGHT CHANCE OF RAIN SHOWERS
AND THUNDERSTORMS FRIDAY MORNING. WAVES 2 FEET OR LESS THIS
AFTERNOON. WAVES 1 TO 2 FEET TONIGHT. WAVES 1 FOOT OR LESS FRIDAY
MORNING.

SUPERIOR EAST 11403 11203 11113 14213 11213. AREAS OF FOG THIS
AFTERNOON. AREAS OF FOG. SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS OVERNIGHT. AREAS OF FOG. SLIGHT CHANCE OF RAIN SHOWERS
AND THUNDERSTORMS FRIDAY MORNING. WAVES 1 FOOT OR LESS.

$$

ARNOTT




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