Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 270748
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
348 AM EDT SUN JUL 27 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.7 INCH LOW PRESSURE OVER NORTHEAST MINNESOTA EARLY
THIS MORNING WILL SHIFT INTO THE SOUTHEAST GREAT LAKES BY LATE THIS
EVENING AS A 30.2 INCH HIGH PRESSURE SYSTEM OVER SOUTH CENTRAL
CANADA BUILDS IN. THIS HIGH WILL EXTEND SLOWLY SOUTHEAST THROUGH THE
PLAINS INTO THURSDAY. AS THE LOW MOVES INTO QUEBEC ON TUESDAY AND
DEEPENS TO 29.4 INCHES...A TROUGH OF LOW PRESSURE AVERAGING 29.9
INCHES WILL DEVELOP OVER LAKE SUPERIOR BEFORE FADING AWAY ON
THURSDAY.

LSZ162-271600-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
348 AM EDT SUN JUL 27 2014 /248 AM CDT SUN JUL 27 2014/

.EARLY THIS MORNING...NORTHEAST WINDS 5 TO 15 KNOTS. PATCHY FOG.
A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES
1 TO 3 FEET.
.TODAY...NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES
BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTH AFTER MIDNIGHT.
WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID AFTERNOON. WAVES
CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS. WAVES CALM
TO 2 FEET.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO
CALM TO 2 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH
AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST. WAVES
CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ263-271600-
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-
348 AM EDT SUN JUL 27 2014

.EARLY THIS MORNING...NORTHEAST WINDS 5 TO 15 KNOTS. AREAS OF
FOG. SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES
1 TO 3 FEET.
.TODAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING NORTH BY MID
AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. SHOWERS LIKELY
THROUGH EARLY AFTERNOON WITH A SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT
CHANCE OF SHOWERS BY MID AFTERNOON. WAVES BUILDING TO 3 TO 5
FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.TONIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.MONDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID AFTERNOON. WAVES
CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS. WAVES CALM
TO 2 FEET.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES CALM TO 2 FEET.

$$

LSZ264-271600-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
348 AM EDT SUN JUL 27 2014

...DENSE FOG ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.EARLY THIS MORNING...NORTHEAST WINDS 10 TO 20 KNOTS. AREAS OF
DENSE FOG. RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TODAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING NORTH BY MID
AFTERNOON. AREAS OF DENSE FOG THROUGH EARLY AFTERNOON. A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.MONDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES CALM TO 2 FEET.

$$

LSZ265-271600-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
348 AM EDT SUN JUL 27 2014

...DENSE FOG ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 2 PM
EDT THIS AFTERNOON...

.EARLY THIS MORNING...EAST WINDS 5 TO 15 KNOTS. AREAS OF FOG. SHOWERS
LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TODAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO
20 KNOTS BY MID AFTERNOON. AREAS OF DENSE FOG THROUGH EARLY AFTERNOON.
A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES CALM
TO 2 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS BACKING SOUTHWEST. WAVES
CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES
CALM TO 2 FEET.

$$

LSZ266-271600-
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-
348 AM EDT SUN JUL 27 2014

...DENSE FOG ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.EARLY THIS MORNING...NORTHEAST WINDS 5 TO 15 KNOTS. AREAS OF
DENSE FOG. A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TODAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO
20 KNOTS BY MID AFTERNOON. AREAS OF DENSE FOG THROUGH EARLY
AFTERNOON...THEN PATCHY FOG. A CHANCE OF SHOWERS AND A SLIGHT CHANCE
OF THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO
CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.MONDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST.
WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES
CALM TO 2 FEET.

$$

LSZ267-271600-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
348 AM EDT SUN JUL 27 2014

...DENSE FOG ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.EARLY THIS MORNING...NORTH WINDS 5 TO 15 KNOTS. AREAS OF DENSE
FOG. A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TODAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO
20 KNOTS BY MID AFTERNOON. AREAS OF DENSE FOG THROUGH EARLY
AFTERNOON...THEN PATCHY FOG. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST. WAVES
CALM TO 2 FEET.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES CALM TO
2 FEET.

$$

LSZ261-271600-
MAFOR 2709/
SUPERIOR WEST 11110 11126 12130 11800 12600 11700. PATCHY FOG THIS
MORNING. SLIGHT CHANCE OF THUNDERSTORMS THIS MORNING. CHANCE OF RAIN
SHOWERS THIS AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET
TODAY. WAVES 2 TO 4 FEET SUBSIDING TO 1 FOOT OR LESS TONIGHT.

SUPERIOR NORTH CENTRAL...DENSE FOG ADVISORY IN EFFECT...
11116 12120 12810 11820 12810. AREAS OF DENSE FOG THROUGH EARLY
AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS. SLIGHT CHANCE OF RAIN
SHOWERS THIS AFTERNOON. WAVES 1 TO 3 FEET.

SUPERIOR SOUTH CENTRAL...DENSE FOG ADVISORY IN EFFECT...
11204 11114 11120 11810 13820 11810. AREAS OF DENSE FOG THIS
MORNING. PATCHY FOG THIS AFTERNOON. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS TODAY. WAVES 2 FEET OR LESS TODAY.
WAVES 2 TO 3 FEET TONIGHT.

SUPERIOR EAST...DENSE FOG ADVISORY IN EFFECT...
11804 11114 11110 11810 13820 11810. AREAS OF DENSE FOG THROUGH MID
AFTERNOON. CHANCE OF RAIN SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS
TODAY. WAVES 1 FOOT OR LESS TODAY. WAVES 1 TO 3 FEET TONIGHT.

$$

RJT





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