Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 200744
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
344 AM EDT WED AUG 20 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...29.7 INCH LOW PRESSURE CENTERED OVER UPPER MICHIGAN WILL
SLOWLY MOVE SOUTHEAST TO LOWER MICHIGAN TODAY WHILE WEAKENING TO
29.9 INCHES. BROAD LOW PRESSURE OF 29.6 INCHES WILL THEN DEVELOP OVER
THE CENTRAL AND NORTHERN HIGH PLAINS TODAY WHILE 30.2 INCH HIGH
PRESSURE SETTLES OVER QUEBEC. THIS GENERAL PATTERN WILL PERSIST INTO
THE END OF THE WEEK WHILE A PORTION OF THE TROUGH EXTENDS EASTWARD
ACROSS THE MIDDLE MISSISSIPPI VALLEY ON FRIDAY. THE TROUGH WILL THEN
SHIFT EASTWARD TO THE UPPER MISSISSIPPI VALLEY AT 29.7 INCHES AS THE
HIGH SETTLES OVER THE MARITIME PROVINCES ON SATURDAY. THE LOW WILL
CONTINUE EASTWARD REACHING THE UPPER GREAT LAKES DURING THE DAY
SUNDAY AT 29.8 INCHES.

LSZ162-201545-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
344 AM EDT WED AUG 20 2014 /244 AM CDT WED AUG 20 2014/

.EARLY THIS MORNING...NORTHWEST WINDS LESS THAN 10 KNOTS. WAVES
CALM TO 2 FEET.
.TODAY...WEST WINDS LESS THAN 10 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FEET.
.THURSDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. AREAS OF FOG.
SHOWERS AND THUNDERSTORMS LIKELY THROUGH MIDNIGHT. A CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM
TO 2 FEET.
.FRIDAY...NORTH WINDS LESS THAN 10 KNOTS VEERING NORTHEAST BY MID
AFTERNOON. AREAS OF FOG. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...EAST WINDS LESS THAN 10 KNOTS. AREAS OF FOG.
WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST.
AREAS OF FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM
TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. AREAS OF FOG.
A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ263-264-201545-
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-
344 AM EDT WED AUG 20 2014

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

$$

LSZ265-201545-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
344 AM EDT WED AUG 20 2014

.EARLY THIS MORNING...NORTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG.
SCATTERED SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH BY MID
AFTERNOON. ISOLATED SHOWERS THROUGH EARLY AFTERNOON. WAVES CALM
TO 2 FEET.
.TONIGHT...NORTH WINDS LESS THAN 10 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. AREAS OF FOG. SHOWERS AND
THUNDERSTORMS LIKELY THROUGH MIDNIGHT. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET...
THEN SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON. AREAS OF FOG. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS
THAN 10 KNOTS AFTER MIDNIGHT. AREAS OF FOG. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. AREAS OF FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. AREAS OF
FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ266-201545-
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-
344 AM EDT WED AUG 20 2014

.EARLY THIS MORNING...NORTH WINDS 5 TO 15 KNOTS. PATCHY FOG.
ISOLATED SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. ISOLATED SHOWERS THROUGH EARLY AFTERNOON. WAVES CALM
TO 2 FEET.
.TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS AFTER MIDNIGHT. AREAS OF FOG. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS BY MID AFTERNOON. AREAS OF FOG. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. AREAS OF FOG. A CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING
TO CALM TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS 5 TO 15 KNOTS. AREAS OF FOG. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...EAST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS AFTER MIDNIGHT. AREAS OF FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. AREAS
OF FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. AREAS OF
FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ267-201545-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
344 AM EDT WED AUG 20 2014

.EARLY THIS MORNING...EAST WINDS LESS THAN 10 KNOTS. PATCHY FOG.
SCATTERED SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...NORTHWEST WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS BY MID AFTERNOON. ISOLATED SHOWERS. WAVES CALM TO
2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF SHOWERS
THROUGH MIDNIGHT. AREAS OF FOG. WAVES CALM TO 2 FEET.
.THURSDAY...NORTHWEST WINDS LESS THAN 10 KNOTS VEERING EAST BY
MID AFTERNOON. AREAS OF FOG. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. AREAS OF FOG. A CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. AREAS OF FOG. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. AREAS OF FOG. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. AREAS OF FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. AREAS OF FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.

$$

LSZ261-201545-
MAFOR 2009/
SUPERIOR WEST 12700 12600 11400 13200. WAVES 2 FEET OR LESS.

SUPERIOR NORTH CENTRAL 11810 13800 12700 11600 11803. PATCHY FOG
THIS MORNING. SCATTERED RAIN SHOWERS THIS MORNING. AREAS OF FOG
TONIGHT. WAVES 2 FEET OR LESS.

SUPERIOR SOUTH CENTRAL 14710 11700 12800 11700. PATCHY FOG THIS
MORNING. ISOLATED RAIN SHOWERS TODAY. PATCHY FOG OVERNIGHT. WAVES 2
FEET OR LESS.

SUPERIOR EAST 12100 11800 12700 13703. PATCHY FOG THIS MORNING.
SCATTERED RAIN SHOWERS TODAY. AREAS OF FOG TONIGHT. WAVES 1 FOOT OR
LESS.

$$

TITUS




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