Great Lakes Forecast
Issued by NWS

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009
FZUS63 KMQT 291408
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1008 AM EDT SUN MAY 29 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.8 INCH LOW PRESSURE SYSTEM OVER WESTERN LAKE
SUPERIOR THIS MORNING WILL REACH JAMES BAY THIS EVENING. AS THIS LOW
MOVES OVER QUEBEC ON MONDAY...A 29.9 INCH RIDGE AXIS WILL BUILD INTO
THE UPPER GREAT LAKES...SOUTH OF A LARGER 30.4 INCH HIGH PRESSURE
CENTER BUILDING ACROSS HUDSON BAY. A 29.7 INCH LOW PRESSURE TAKING
SHAPE ACROSS THE NORTHERN PLAINS ON TUESDAY WILL DRIFT INTO MINNESOTA
ON TUESDAY NIGHT AND TRACK ACROSS LAKE SUPERIOR ON WEDNESDAY AS THE
HIGH PRESSURE OVER HUDSON BAY REMAINS NEARLY STATIONARY. THE LOW WILL
MOVE TO JAMES BAY ON THURSDAY AS A 30.1 INCH RIDGE BUILDS ACROSS THE
NORTHERN PLAINS AND UPPER MISSISSIPPI VALLEY.

LSZ162-292215-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1008 AM EDT SUN MAY 29 2016 /908 AM CDT SUN MAY 29 2016/

...DENSE FOG ADVISORY IN EFFECT UNTIL 4 PM EDT /3 PM CDT/ THIS
AFTERNOON...

.REST OF TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST
10 TO 20 KNOTS BY MID AFTERNOON. WIDESPREAD DENSE FOG. SCATTERED
RAIN SHOWERS AND ISOLATED THUNDERSTORMS. WAVES CALM TO 2 FEET
BUILDING TO 1 TO 3 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS
THROUGH MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...NORTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN
SHOWERS THROUGH EARLY AFTERNOON...THEN RAIN SHOWERS LIKELY. WAVES
BUILDING TO 3 TO 6 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. RAIN SHOWERS LIKELY. WAVES
SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...NORTHEAST WINDS 5 TO 15 KNOTS BACKING WEST. RAIN
SHOWERS LIKELY...THEN A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2
FEET.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST. WAVES
CALM TO 2 FEET.

$$

LSZ263-292215-
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-
1008 AM EDT SUN MAY 29 2016

...DENSE FOG ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING...

.REST OF TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS BY MID AFTERNOON. WIDESPREAD DENSE FOG. ISOLATED
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET BUILDING TO 1 TO 3
FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. WIDESPREAD FOG THROUGH
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO
2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING
TO CALM TO 2 FEET.
.MONDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES
BUILDING TO 3 TO 5 FEET.
.TUESDAY NIGHT...EAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. RAIN SHOWERS LIKELY. WAVES SUBSIDING TO
CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS VEERING WEST. RAIN SHOWERS
LIKELY...THEN A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST. WAVES
CALM TO 2 FEET.

$$

LSZ264-292215-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1008 AM EDT SUN MAY 29 2016

...DENSE FOG ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

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

$$

LSZ265-292215-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1008 AM EDT SUN MAY 29 2016

...DENSE FOG ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

.REST OF TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST BY
MID AFTERNOON. WIDESPREAD DENSE FOG. SCATTERED SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
AFTER MIDNIGHT. WIDESPREAD DENSE FOG THROUGH MIDNIGHT...THEN
WIDESPREAD FOG. A SLIGHT CHANCE OF SHOWERS THROUGH MIDNIGHT. WAVES
BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST BY MID
AFTERNOON. A CHANCE OF RAIN SHOWERS BY MID AFTERNOON. WAVES CALM
TO 2 FEET.
.TUESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. RAIN SHOWERS LIKELY. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS. RAIN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS...THEN
A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 1 TO 3 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ266-292215-
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-
1008 AM EDT SUN MAY 29 2016

...DENSE FOG ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

.REST OF TODAY...SOUTH WINDS 5 TO 15 KNOTS VEERING WEST BY MID
AFTERNOON. WIDESPREAD DENSE FOG. SCATTERED SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF RAIN
SHOWERS THROUGH MIDNIGHT. WIDESPREAD DENSE FOG THROUGH
MIDNIGHT...THEN WIDESPREAD FOG. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. AREAS OF FOG THROUGH EARLY
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS THROUGH MIDNIGHT...THEN
RAIN SHOWERS LIKELY. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS. RAIN SHOWERS LIKELY...THEN A CHANCE OF RAIN SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ267-292215-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1008 AM EDT SUN MAY 29 2016

...DENSE FOG ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

.REST OF TODAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. WIDESPREAD DENSE FOG. SCATTERED SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
AFTER MIDNIGHT. WIDESPREAD DENSE FOG THROUGH MIDNIGHT...THEN
WIDESPREAD FOG. A SLIGHT CHANCE OF THUNDERSTORMS THROUGH MIDNIGHT. A
CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. AREAS OF FOG. WAVES
SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG. WAVES
CALM TO 2 FEET.
.TUESDAY...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS THROUGH
MIDNIGHT...THEN RAIN SHOWERS LIKELY. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. RAIN SHOWERS LIKELY. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A CHANCE
OF RAIN SHOWERS. WAVES CALM TO 2 FEET.

$$
LSZ261-292215-
MAFOR 2915/
SUPERIOR WEST...DENSE FOG ADVISORY IN EFFECT...11514 11524 11623
11620 14610. PATCHY FOG LATE THIS EVENING. WAVES 1 TO 3 FEET.

SUPERIOR NORTH CENTRAL...DENSE FOG ADVISORY IN EFFECT...12514
11524 14623 11623. WAVES 1 TO 3 FEET.

SUPERIOR SOUTH CENTRAL...DENSE FOG ADVISORY IN EFFECT...10424
11514 11604 11614 12623 12620 11610. SCATTERED SHOWERS LATE THIS
MORNING...THEN SCATTERED SHOWERS AND THUNDERSTORMS THIS AFTERNOON.
ISOLATED SHOWERS EARLY THIS EVENING. PATCHY FOG LATE. WAVES 1 TO 3
FEET.

SUPERIOR EAST...DENSE FOG ADVISORY IN EFFECT...11414 11514 12604
11523 12623 11613. SCATTERED SHOWERS AND THUNDERSTORMS THIS AFTERNOON
AND EVENING. WAVES 1 TO 4 FEET.

$$

PETRO



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