Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 201932
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
332 PM EDT SUN JUL 20 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.0 INCH HIGH PRESSURE RIDGE WILL LINGER ALONG THE
EAST COAST THROUGH TUESDAY. A 29.3 INCH LOW PRESSURE OVER NORTHERN
MANITOBA WILL TRACK EAST...REACHING HUDSON BAY MONDAY WHILE WEAKENING
TO 29.4 INCHES. LOW PRESSURE OF 29.5 INCHES WILL DEVELOP OVER SOUTH
DAKOTA MONDAY NIGHT AND WILL TRACK EAST...PASSING ACROSS THE UPPER
GREAT LAKES TUESDAY WHILE WEAKENING TO 29.7 INCHES. IN ITS WAKE...HIGH
PRESSURE OF 30.2 INCHES OVER LAKE WINNIPEG TUESDAY NIGHT WILL BUILD
SOUTHEAST AND SETTLE OVER THE UPPER GREAT LAKES THURSDAY AND WEAKEN
TO 30.1 INCHES FRIDAY.

LSZ162-210345-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
332 PM EDT SUN JUL 20 2014 /232 PM CDT SUN JUL 20 2014/

.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS AFTER MIDNIGHT. AREAS OF FOG. ISOLATED SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. AREAS OF FOG. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH EARLY AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING NORTHEAST AFTER
MIDNIGHT. AREAS OF FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH MIDNIGHT. SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES
CALM TO 2 FEET.
.TUESDAY...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH BY MID
AFTERNOON. AREAS OF FOG. SHOWERS AND THUNDERSTORMS THROUGH EARLY
AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING WEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH. A CHANCE
OF SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ263-264-210345-
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-
332 PM EDT SUN JUL 20 2014

.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS AFTER MIDNIGHT. AREAS OF FOG. ISOLATED SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. AREAS OF FOG. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH EARLY AFTERNOON. WAVES
SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING NORTHEAST AFTER
MIDNIGHT. AREAS OF FOG. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH MIDNIGHT. SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES
CALM TO 2 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTH BY MID AFTERNOON.
AREAS OF FOG. SHOWERS AND THUNDERSTORMS THROUGH EARLY AFTERNOON. A
CHANCE OF SHOWERS AND THUNDERSTORMS BY MID AFTERNOON. WAVES CALM TO 2
FEET.
.TUESDAY NIGHT AND WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.WEDNESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST. WAVES
CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS.
A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ265-210345-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
332 PM EDT SUN JUL 20 2014

.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. ISOLATED SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO CALM
TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID AFTERNOON.
PATCHY FOG. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM
TO 2 FEET.
.MONDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. AREAS OF FOG. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. AREAS OF FOG. SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. AREAS OF FOG. WAVES
CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST.
WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ266-267-210345-
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-
332 PM EDT SUN JUL 20 2014

.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
AFTER MIDNIGHT. AREAS OF FOG. ISOLATED SHOWERS AND THUNDERSTORMS
AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS. AREAS OF FOG. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...SOUTH 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.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. AREAS OF FOG. SHOWERS AND THUNDERSTORMS. WAVES CALM TO
2 FEET.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. AREAS OF FOG. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST.
WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ261-210345-
MAFOR 2021/
SUPERIOR WEST 11410 11423 14523 11513 11503. ISOLATED SHOWERS AND
THUNDERSTORMS OVERNIGHT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
MONDAY. WAVES 2 FEET OR LESS.

SUPERIOR NORTH CENTRAL 11420 12423 13523 12513. SCATTERED SHOWERS
AND THUNDERSTORMS OVERNIGHT AND MONDAY. WAVES 1 TO 3 FEET.

SUPERIOR SOUTH CENTRAL 14420 12520 12410. PATCHY FOG. ISOLATED SHOWERS
AND THUNDERSTORMS OVERNIGHT AND MONDAY. WAVES CALM TO 4 FEET.

SUPERIOR EAST 12420 11430 14423 11413. ISOLATED SHOWERS AND
THUNDERSTORMS OVERNIGHT AND A CHANCE OF SHOWERS AND A SLIGHT CHANCE
OF THUNDERSTORMS MONDAY. WAVES 1 TO 3 FEET.

$$

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