National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZUS63 KMQT 221343
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
943 AM EDT WED MAY 22 2013

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...BROAD 29.7 INCH LOW PRESSURE OVER THE GREAT LAKES REGION
THIS MORNING WILL CONSOLIDATE INTO A STRONGER 29.5 INCH LOW OVER
SOUTHERN MICHIGAN BY THIS EVENING AND INTO THE LOWER GREAT LAKES
THURSDAY MORNING. A 30.5 INCH HIGH PRESSURE RIDGE EXTENDING FROM
MANITOBA TO THE NORTHERN PLAINS WILL MOVE EASTWARD...SHIFTING OVER
THE GREAT LAKES ON FRIDAY WHILE WEAKENING TO 30.3 INCHES. THIS HIGH
WILL THEN REMAIN OVER THE LOWER GREAT LAKES THROUGH SUNDAY.

LSZ162-222145-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
943 AM EDT WED MAY 22 2013 /843 AM CDT WED MAY 22 2013/

...DENSE FOG ADVISORY IN EFFECT UNTIL 2 PM EDT /1 PM CDT/ THIS
AFTERNOON...

.REST OF TODAY...NORTHEAST WINDS 10 TO 20 KNOTS. AREAS OF FOG...
DISSIPATING THIS AFTERNOON. SCATTERED RAIN SHOWERS. WAVES 3 TO 6
FEET SUBSIDING TO 2 TO 4 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20
KNOTS. WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 4 TO 7
FEET.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST
5 TO 15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO
2 FEET.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ263-222145-
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-
943 AM EDT WED MAY 22 2013

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

.REST OF TODAY...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS BY MID AFTERNOON. AREAS OF FOG...DISSIPATING THIS
AFTERNOON. SCATTERED RAIN SHOWERS. WAVES 4 TO 7 FEET SUBSIDING TO 2
TO 4 FEET.
.TONIGHT...NORTHEAST WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO
1 TO 3 FEET...THEN BUILDING TO 4 TO 7 FEET.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. WAVES CALM
TO 2 FEET.

$$

LSZ264-222145-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
943 AM EDT WED MAY 22 2013

.REST OF TODAY...NORTHEAST WINDS 10 TO 20 KNOTS. PATCHY FOG.
SCATTERED RAIN SHOWERS. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...NORTHEAST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 4 TO 7 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. WAVES
CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. WAVES CALM
TO 2 FEET.

$$

LSZ265-222145-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
943 AM EDT WED MAY 22 2013

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

.REST OF TODAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING NORTH BY
MID AFTERNOON. AREAS OF FOG. SCATTERED RAIN SHOWERS. WAVES 3 TO
5 FEET SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...NORTHEAST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. ISOLATED RAIN SHOWERS THROUGH MIDNIGHT.
WAVES BUILDING TO 5 TO 8 FEET.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 6 TO 9 FEET...THEN
SUBSIDING TO 3 TO 5 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...WEST WINDS LESS THAN 10 KNOTS BACKING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST. WAVES
CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES CALM TO
2 FEET.

$$

LSZ266-222145-
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-
943 AM EDT WED MAY 22 2013

...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...

.REST OF TODAY...NORTHEAST WINDS 10 TO 20 KNOTS. AREAS OF FOG.
SCATTERED RAIN SHOWERS. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
3 FEET.
.TONIGHT...NORTHEAST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. ISOLATED RAIN SHOWERS THROUGH MIDNIGHT.
WAVES BUILDING TO 6 TO 9 FEET.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES SUBSIDING TO 3 TO 5 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...WEST WINDS LESS THAN 10 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...EAST WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...EAST WINDS LESS THAN 10 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS LESS THAN 10 KNOTS VEERING SOUTH. WAVES CALM
TO 2 FEET.

$$

LSZ267-222145-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
943 AM EDT WED MAY 22 2013

...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...

.REST OF TODAY...NORTHEAST WINDS 10 TO 20 KNOTS. AREAS OF FOG.
ISOLATED RAIN SHOWERS. WAVES 1 TO 3 FEET.
.TONIGHT...NORTHEAST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. ISOLATED RAIN SHOWERS. WAVES BUILDING TO
5 TO 8 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO 2 TO 4 FEET.
.THURSDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHEAST LESS
THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...NORTH WINDS LESS THAN 10 KNOTS VEERING EAST. WAVES
CALM TO 2 FEET.
.SUNDAY...NORTHEAST WINDS LESS THAN 10 KNOTS BECOMING SOUTH 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.

$$
LSZ261-222145-
MAFOR 2215/
SUPERIOR WEST 11133 12120 11130 11140 12130 11120. SCATTERED RAIN
SHOWERS THROUGH THIS AFTERNOON. WAVES 2 TO 7 FEET.

SUPERIOR NORTH CENTRAL 13120 11130 11140 11130 12830. SCATTERED RAIN
SHOWERS THROUGH THIS AFTERNOON. WAVES 2 TO 7 FEET.

SUPERIOR SOUTH CENTRAL 11123 11113 11813 11830 12140 12830.
SCATTERED RAIN SHOWERS THROUGH THIS AFTERNOON. WAVES 2 TO 6 FEET
BUILDING TO 5 TO 9 FEET TONIGHT.

SUPERIOR EAST 12123 12120 13140 11840. ISOLATED RAIN SHOWERS THROUGH
THIS AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 5 TO 8 FEET TONIGHT.

$$
PETRO