Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
000
FZUS63 KMQT 292007
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
407 PM EDT SUN MAY 29 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.8 INCH LOW PRESSURE SYSTEM JUST NORTH OF EASTERN
LAKE SUPERIOR WILL REACH JAMES BAY LATE THIS EVENING WHILE
STRENGTHENING TO 29.6 INCHES. 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 WESTERN ONTARIO ON WEDNESDAY AS THE HIGH
PRESSURE OVER HUDSON BAY SLIDES EASTWARD. THE LOW WILL MOVE TO JAMES
BAY ON THURSDAY AS A 30.1 INCH RIDGE BUILDS ACROSS THE NORTHERN
PLAINS AND MISSISSIPPI VALLEY. THE HIGH WILL STRENGTHEN TO 30.3
INCHES OVER LAKE SUPERIOR ON FRIDAY.

LSZ162-300415-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
407 PM EDT SUN MAY 29 2016 /307 PM CDT SUN MAY 29 2016/

.LATE THIS AFTERNOON...WEST WINDS 15 TO 25 KNOTS. ISOLATED RAIN
SHOWERS. WAVES 1 TO 3 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
WAVES BUILDING TO 2 TO 4 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN SHOWERS
THROUGH EARLY AFTERNOON...THEN RAIN SHOWERS LIKELY AND A SLIGHT
CHANCE OF THUNDERSTORMS BY MID AFTERNOON. WAVES BUILDING TO 3 TO
6 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. RAIN SHOWERS LIKELY. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST BY MID
AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES CALM TO
2 FEET.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ263-300415-
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-
407 PM EDT SUN MAY 29 2016

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

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

$$

LSZ264-300415-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
407 PM EDT SUN MAY 29 2016

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

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS. WIDESPREAD
DENSE FOG. ISOLATED RAIN SHOWERS. WAVES CALM TO 2 FEET BUILDING TO 1
TO 3 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. WIDESPREAD DENSE FOG THROUGH
MIDNIGHT. ISOLATED RAIN SHOWERS THROUGH MIDNIGHT. WAVES BUILDING
TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. WAVES
SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST
5 TO 15 KNOTS AFTER MIDNIGHT. RAIN SHOWERS. WAVES BUILDING TO
2 TO 4 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS BY MID AFTERNOON. RAIN SHOWERS LIKELY THROUGH EARLY
AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST
AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...NORTH WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES CALM TO
2 FEET.

$$

LSZ265-300415-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
407 PM EDT SUN MAY 29 2016

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

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

$$

LSZ266-300415-
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-
407 PM EDT SUN MAY 29 2016

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

.LATE THIS AFTERNOON...WEST WINDS 5 TO 15 KNOTS. WIDESPREAD DENSE
FOG. SCATTERED RAIN SHOWERS AND ISOLATED THUNDERSTORMS. WAVES CALM
TO 2 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. ISOLATED RAIN SHOWERS
THROUGH MIDNIGHT. WIDESPREAD DENSE FOG THROUGH MIDNIGHT. PATCHY FOG
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS. AREAS OF FOG. WAVES SUBSIDING
TO CALM TO 2 FEET.
.MONDAY NIGHT...NORTHEAST WINDS LESS THAN 10 KNOTS INCREASING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO
1 TO 3 FEET.
.TUESDAY NIGHT...EAST WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS THROUGH
MIDNIGHT...THEN RAIN SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO
2 TO 4 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS. RAIN SHOWERS LIKELY
THROUGH EARLY AFTERNOON. A CHANCE OF RAIN SHOWERS BY MID
AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST
AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES CALM
TO 2 FEET.

$$

LSZ267-300415-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
407 PM EDT SUN MAY 29 2016

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

.LATE THIS AFTERNOON...SOUTHWEST WINDS 5 TO 15 KNOTS. 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. PATCHY FOG
AFTER MIDNIGHT. ISOLATED THUNDERSTORMS THROUGH MIDNIGHT. SCATTERED
RAIN SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY MID AFTERNOON. AREAS OF FOG. WAVES SUBSIDING TO CALM TO
2 FEET.
.MONDAY NIGHT...NORTH WINDS LESS THAN 10 KNOTS BECOMING NORTHEAST
5 TO 15 KNOTS AFTER MIDNIGHT. PATCHY FOG. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. A SLIGHT CHANCE OF RAIN SHOWERS BY MID AFTERNOON.
WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS THROUGH
MIDNIGHT...THEN RAIN SHOWERS LIKELY AFTER MIDNIGHT. WAVES
BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING SOUTH 10 TO
20 KNOTS BY MID AFTERNOON. RAIN SHOWERS. WAVES 1 TO 3 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. 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.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ261-300415-
MAFOR 2921/
SUPERIOR WEST...12620 13610 13510. WAVES 1 TO 3 FEET.

SUPERIOR NORTH CENTRAL...DENSE FOG ADVISORY IN EFFECT...11523
11623 14620 11620 11610. PATCHY FOG MONDAY MORNING THROUGH EARLY
MONDAY AFTERNOON. WAVES 1 TO 4 FEET.

SUPERIOR SOUTH CENTRAL...DENSE FOG ADVISORY IN EFFECT...11713
11623 12620 14610. SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS
EARLY THIS EVENING. PATCHY FOG MONDAY MORNING THROUGH EARLY
MONDAY AFTERNOON. WAVES 1 TO 3 FEET.

SUPERIOR EAST...DENSE FOG ADVISORY IN EFFECT...11606 11613 12623
11610 13613. SCATTERED RAIN SHOWERS AND THUNDERSTORMS THROUGH EARLY
EVENING. WAVES 1 TO 3 FEET.

$$

JS



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.