Great Lakes Forecast
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000
FZUS63 KMQT 230923
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
423 AM EST SUN NOV 23 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...LOW PRESSURE OF 29.4 INCHES OVER THE NORTHERN PLAINS
WILL SLIDE TOWARD THE WESTERN GREAT LAKES TODAY BEFORE MERGING WITH
ANOTHER LOW PRESSURE SYSTEM OF 29.2 INCHES LIFTING NORTH ACROSS THE
MIDDLE MISSISSIPPI RIVER VALLEY TONIGHT. THE NEWLY FORMED
LOW WILL THEN DEEPEN TO 28.9 INCHES AS IT TRACKS
NORTHEAST...CROSSING EASTERN UPPER MICHIGAN MONDAY AFTERNOON AND
ARRIVING OVER WESTERN QUEBEC MONDAY NIGHT. IN ITS WAKE...A 30.1 INCH
HIGH PRESSURE RIDGE WILL MOVE TO THE WESTERN GREAT LAKES TUESDAY
EVENING. A LOW PRESSURE TROUGH OF 29.8 INCHES WILL MOVE FROM THE
NORTHERN PLAINS TO THE WESTERN GREAT LAKES ON WEDNESDAY AND TO THE
LOWER GREAT LAKES THURSDAY. AT THE SAME TIME HIGH PRESSURE OF 30.6
INCHES WILL BUILD SOUTHEAST FROM CANADA INTO THE DAKOTAS.

LSZ162-231730-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
423 AM EST SUN NOV 23 2014 /323 AM CST SUN NOV 23 2014/

...GALE WARNING IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY
EVENING...

.EARLY THIS MORNING...SOUTHEAST WINDS 5 TO 15 KNOTS. A SLIGHT
CHANCE OF DRIZZLE. WAVES CALM TO 2 FEET.
.TODAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST IN THE
AFTERNOON. PATCHY FOG. A SLIGHT CHANCE OF DRIZZLE. A SLIGHT
CHANCE OF RAIN IN THE AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET...
THEN SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 15 TO 25 KNOTS
AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF RAIN IN THE EVENING.
RAIN...POSSIBLY MIXED WITH SNOW AFTER MIDNIGHT. WAVES BUILDING TO
3 TO 5 FEET.
.MONDAY...NORTH WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS IN THE AFTERNOON. SNOW LIKELY. FREEZING SPRAY IN THE
AFTERNOON. WAVES BUILDING TO 7 TO 10 FEET.
.MONDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. A FEW NORTH GALES TO 35 KNOTS IN THE
EVENING. FREEZING SPRAY IN THE EVENING. SNOW LIKELY IN THE
EVENING...THEN A SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES BUILDING
TO 8 TO 11 FEET...THEN SUBSIDING TO 3 TO 6 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST IN THE
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO
1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET...
THEN BUILDING TO 4 TO 7 FEET.
.THURSDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS. HEAVY FREEZING SPRAY. WAVES SUBSIDING TO 1 TO 3 FEET.

$$

LSZ263-231730-
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-
423 AM EST SUN NOV 23 2014

...GALE WARNING IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY
NIGHT...

.EARLY THIS MORNING...SOUTHEAST WINDS 10 TO 20 KNOTS. A SLIGHT
CHANCE OF DRIZZLE. WAVES 1 TO 3 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
IN THE AFTERNOON. AREAS OF FOG. A CHANCE OF DRIZZLE. A SLIGHT
CHANCE OF RAIN IN THE AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET...
THEN SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 15 TO 25 KNOTS
AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF RAIN IN THE EVENING.
RAIN...POSSIBLY MIXED WITH SNOW AFTER MIDNIGHT. WAVES BUILDING TO
3 TO 6 FEET.
.MONDAY...NORTH GALES TO 40 KNOTS. A SLIGHT CHANCE OF RAIN IN THE
MORNING. SNOW. FREEZING SPRAY IN THE AFTERNOON. WAVES BUILDING TO
10 TO 14 FEET.
.MONDAY NIGHT...NORTH GALES TO 35 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY IN THE EVENING. SNOW.
WAVES SUBSIDING TO 5 TO 8 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST IN THE
AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...EAST WINDS 15 TO 25 KNOTS BECOMING NORTH 20 TO
30 KNOTS. SNOW LIKELY...THEN A CHANCE OF SNOW. FREEZING SPRAY.
WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 5 TO 8 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET...THEN BUILDING TO 3 TO 5 FEET.

$$

LSZ264-231730-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
423 AM EST SUN NOV 23 2014

...GALE WARNING IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY
NIGHT...

.EARLY THIS MORNING...SOUTHEAST WINDS 15 TO 25 KNOTS. A SLIGHT
CHANCE OF DRIZZLE. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
.TODAY...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO 20 KNOTS
IN THE AFTERNOON. PATCHY FOG. A CHANCE OF DRIZZLE. A CHANCE OF
RAIN IN THE AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET...THEN
SUBSIDING TO 2 TO 4 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS AFTER MIDNIGHT. AREAS OF FOG. A CHANCE OF RAIN IN THE
EVENING. RAIN...POSSIBLY MIXED WITH SNOW AFTER MIDNIGHT. WAVES
SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 3 TO 6 FEET.
.MONDAY...NORTH GALES TO 40 KNOTS. RAIN IN THE MORNING. SNOW.
FREEZING SPRAY IN THE AFTERNOON. WAVES BUILDING TO 12 TO 17 FEET.
.MONDAY NIGHT...NORTH GALES TO 40 KNOTS. FREEZING SPRAY. SNOW.
WAVES SUBSIDING TO 6 TO 9 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS. SCATTERED SNOW
SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...EAST WINDS 10 TO 20 KNOTS BECOMING NORTH 20 TO
30 KNOTS. SNOW LIKELY. FREEZING SPRAY. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 5 TO 8 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 6 TO 9 FEET...THEN SUBSIDING TO 3 TO 5 FEET.

$$

LSZ265-231730-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
423 AM EST SUN NOV 23 2014

...GALE WARNING IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY
NIGHT...

.EARLY THIS MORNING...SOUTH WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE
OF DRIZZLE. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
.TODAY...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO 20 KNOTS
IN THE AFTERNOON. AREAS OF FOG. A SLIGHT CHANCE OF DRIZZLE. A
CHANCE OF RAIN IN THE AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET...
THEN SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS AFTER MIDNIGHT. AREAS OF FOG. RAIN. WAVES SUBSIDING TO
CALM TO 2 FEET.
.MONDAY...NORTH WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
45 KNOTS IN THE AFTERNOON. AREAS OF FOG IN THE MORNING. RAIN IN
THE MORNING. SNOW. WAVES BUILDING TO 12 TO 17 FEET.
.MONDAY NIGHT...NORTH GALES TO 45 KNOTS BECOMING NORTHWEST GALES
TO 35 KNOTS AFTER MIDNIGHT. SNOW. FREEZING SPRAY AFTER MIDNIGHT.
WAVES SUBSIDING TO 8 TO 11 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS BACKING WEST IN THE
AFTERNOON. NUMEROUS SNOW SHOWERS IN THE MORNING...THEN SCATTERED
SNOW SHOWERS IN THE AFTERNOON. WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...WEST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS. A CHANCE OF SNOW...THEN SNOW LIKELY. WAVES BUILDING TO
3 TO 6 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. FREEZING SPRAY. SNOW SHOWERS LIKELY. WAVES BUILDING TO
6 TO 9 FEET...THEN SUBSIDING TO 3 TO 5 FEET.

$$

LSZ266-231730-
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-
423 AM EST SUN NOV 23 2014

...GALE WARNING IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY
NIGHT...

.EARLY THIS MORNING...SOUTH WINDS 20 TO 30 KNOTS. A SLIGHT CHANCE
OF DRIZZLE. WAVES 2 TO 4 FEET.
.TODAY...SOUTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS
IN THE AFTERNOON. AREAS OF FOG. A CHANCE OF DRIZZLE. A CHANCE OF
RAIN IN THE AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET...THEN
SUBSIDING TO 2 TO 4 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS BACKING EAST AFTER
MIDNIGHT. AREAS OF FOG. RAIN. WAVES 2 TO 4 FEET.
.MONDAY...NORTH WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
45 KNOTS IN THE AFTERNOON. AREAS OF FOG IN THE MORNING. RAIN IN
THE MORNING. SNOW. A SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 12 TO 17 FEET.
.MONDAY NIGHT...NORTH GALES TO 40 KNOTS. SNOW. WAVES BUILDING TO
15 TO 20 FEET...THEN SUBSIDING TO 8 TO 11 FEET.
.TUESDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. SNOW SHOWERS IN THE MORNING...THEN
SCATTERED SNOW SHOWERS IN THE AFTERNOON. WAVES SUBSIDING TO 3 TO
6 FEET.
.TUESDAY NIGHT...WEST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS. A CHANCE OF SNOW...THEN SNOW LIKELY. WAVES SUBSIDING TO
1 TO 3 FEET...THEN BUILDING TO 4 TO 7 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. SNOW SHOWERS
LIKELY. WAVES BUILDING TO 6 TO 9 FEET...THEN SUBSIDING TO 3 TO
6 FEET.

$$

LSZ267-231730-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
423 AM EST SUN NOV 23 2014

...GALE WARNING IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE
MONDAY NIGHT...

.EARLY THIS MORNING...SOUTH WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE
OF DRIZZLE. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
.TODAY...SOUTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS
IN THE AFTERNOON. AREAS OF FOG. A CHANCE OF DRIZZLE. A CHANCE OF
RAIN IN THE AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET...THEN
SUBSIDING TO 2 TO 4 FEET.
.TONIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING EAST 10 TO
20 KNOTS AFTER MIDNIGHT. AREAS OF FOG. RAIN. WAVES SUBSIDING TO
1 TO 3 FEET.
.MONDAY...NORTHEAST WINDS 15 TO 25 KNOTS BECOMING NORTH 20 TO
30 KNOTS IN THE AFTERNOON. AREAS OF FOG. RAIN. SNOW IN THE
AFTERNOON. WAVES BUILDING TO 10 TO 14 FEET.
.MONDAY NIGHT...NORTH GALES TO 40 KNOTS DIMINISHING TO 20 TO
30 KNOTS AFTER MIDNIGHT. SNOW. WAVES BUILDING TO 12 TO 17 FEET...
THEN SUBSIDING TO 8 TO 11 FEET.
.TUESDAY...NORTH WINDS 15 TO 25 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. NUMEROUS SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.TUESDAY NIGHT...WEST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY...SOUTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW...THEN
SNOW LIKELY. WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO
2 TO 4 FEET.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS BACKING NORTHWEST. A
CHANCE OF SNOW SHOWERS. FREEZING SPRAY. WAVES BUILDING TO 4 TO
7 FEET...THEN SUBSIDING TO 3 TO 5 FEET.

$$

LSZ261-231730-
MAFOR 2310/
SUPERIOR WEST...GALE WARNING IN EFFECT...11320 11410 11510 11503
11700 11810 11836 11837. PATCHY FOG. SLIGHT CHANCE OF DRIZZLE. SLIGHT
CHANCE OF RAIN THIS AFTERNOON. CHANCE OF RAIN IN THE EVENING. RAIN
AND SNOW LIKELY OVERNIGHT. WAVES 2 FEET OR LESS TODAY. WAVES 1 FOOT
OR LESS BUILDING TO 2 TO 4 FEET TONIGHT.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...11330 12430 12420
11423 11216 11126. CHANCE OF DRIZZLE THIS MORNING. CHANCE OF RAIN
THIS AFTERNOON AND EVENING. AREAS OF FOG. RAIN OVERNIGHT. WAVES 1 TO
3 FEET BUILDING TO 3 TO 5 FEET TODAY. WAVES 2 TO 4 FEET SUBSIDING TO
1 TO 3 FEET TONIGHT.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...12443 12433 11423
11426 11326 11216. AREAS OF FOG. SLIGHT CHANCE OF DRIZZLE THIS MORNING.
CHANCE OF RAIN THIS AFTERNOON. RAIN TONIGHT. WAVES 1 TO 3 FEET
BUILDING TO 3 TO 5 FEET... THEN SUBSIDING TO 2 TO 4 FEET TODAY. WAVES
1 TO 3 FEET TONIGHT.

SUPERIOR EAST...GALE WARNING IN EFFECT...11430 11440 11443 12433
11436 11336 11226. AREAS OF FOG. CHANCE OF DRIZZLE THIS MORNING. CHANCE
OF RAIN THIS AFTERNOON. RAIN TONIGHT. WAVES 2 TO 4 FEET BUILDING TO
4 TO 6 FEET...THEN SUBSIDING TO 3 TO 5 FEET TODAY. WAVES 2 TO 4 FEET
TONIGHT.

$$

VOSS





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