Great Lakes Forecast
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000
FZUS63 KMQT 220919
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
419 AM EST SAT NOV 22 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...HIGH PRESSURE OF 30.5 INCHES ALONG THE EAST COAST WILL
MOVE OVER THE ATLANTIC TODAY WHILE LOW PRESSURE OF 29.4 INCHES OVER
NORTHERN ONTARIO SLIDES TO QUEBEC. A 29.6 INCH TROUGH TRAILING FROM
THE LOW WILL CROSS LAKE SUPERIOR THIS EVENING. LOW PRESSURE OF 29.4
INCHES OVER THE NORTHERN PLAINS LATE TONIGHT WILL SLIDE TOWARD THE
WESTERN GREAT LAKES ON SUNDAY BEFORE MERGING WITH ANOTHER LOW OF
29.2 INCHES LIFTING NORTH ACROSS THE MIDDLE MISSISSIPPI RIVER VALLEY
ON SUNDAY NIGHT. 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 30.0 INCHES
WILL MOVE FROM THE NORTHERN PLAINS TO THE WESTERN GREAT LAKES ON
WEDNESDAY AS HIGH PRESSURE OF 30.8 INCHES BUILDS SOUTHEAST INTO THE
DAKOTAS.

LSZ162-221730-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
419 AM EST SAT NOV 22 2014 /319 AM CST SAT NOV 22 2014/

...GALE WARNING IN EFFECT UNTIL 7 AM EST /6 AM CST/ THIS
MORNING...

.EARLY THIS MORNING...SOUTHWEST WINDS 20 TO 30 KNOTS. GALE FORCE
GUSTS TO 35 KNOTS. WAVES 8 TO 11 FEET.
.TODAY...SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO 2 TO 4 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHEAST AFTER
MIDNIGHT. A SLIGHT CHANCE OF DRIZZLE. WAVES SUBSIDING TO CALM TO
2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST IN THE
AFTERNOON. PATCHY FOG. A 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.
.SUNDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF RAIN...POSSIBLY
MIXED WITH SNOW. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING NORTH GALES TO
35 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE MORNING. A CHANCE OF
SNOW IN THE MORNING...THEN SNOW LIKELY IN THE AFTERNOON. WAVES
BUILDING TO 6 TO 9 FEET.
.MONDAY NIGHT...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES SUBSIDING TO
4 TO 7 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST. A CHANCE
OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 3 TO
6 FEET.

$$

LSZ263-221730-
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-
419 AM EST SAT NOV 22 2014

...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING...

.EARLY THIS MORNING...SOUTHWEST WINDS 20 TO 30 KNOTS. GALE FORCE
GUSTS TO 35 KNOTS. WAVES 10 TO 14 FEET SUBSIDING TO 9 TO 12 FEET.
.TODAY...SOUTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO 3 TO 6 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHEAST AFTER
MIDNIGHT. A SLIGHT CHANCE OF DRIZZLE AFTER MIDNIGHT. WAVES SUBSIDING
TO CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
IN THE AFTERNOON. AREAS OF FOG. A CHANCE OF DRIZZLE. A CHANCE OF
RAIN IN THE AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTH 15 TO
25 KNOTS AFTER MIDNIGHT. AREAS OF FOG. A CHANCE OF RAIN IN THE
EVENING. RAIN LIKELY...POSSIBLY MIXED WITH SNOW AFTER MIDNIGHT.
WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 2 TO 4 FEET.
.MONDAY...NORTH GALES TO 40 KNOTS. PATCHY FOG IN THE MORNING.
RAIN LIKELY IN THE MORNING. SNOW. WAVES BUILDING TO 8 TO 11 FEET.
.MONDAY NIGHT...NORTH GALES TO 40 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS AFTER MIDNIGHT. SNOW LIKELY. WAVES SUBSIDING TO 6 TO
9 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 4 TO
7 FEET.

$$

LSZ264-221730-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
419 AM EST SAT NOV 22 2014

...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING...

.EARLY THIS MORNING...SOUTHWEST WINDS 20 TO 30 KNOTS. GALE FORCE
GUSTS TO 35 KNOTS. WAVES 10 TO 14 FEET SUBSIDING TO 9 TO 12 FEET.
.TODAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS
IN THE AFTERNOON. WAVES SUBSIDING TO 4 TO 7 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHEAST AFTER
MIDNIGHT. A SLIGHT CHANCE OF DRIZZLE AFTER MIDNIGHT. WAVES
SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 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.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST
15 TO 25 KNOTS AFTER MIDNIGHT. AREAS OF FOG. RAIN LIKELY. WAVES
SUBSIDING TO 1 TO 3 FEET.
.MONDAY...NORTH WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
40 KNOTS IN THE AFTERNOON. AREAS OF FOG IN THE MORNING. RAIN IN
THE MORNING. SNOW. WAVES BUILDING TO 10 TO 14 FEET.
.MONDAY NIGHT...NORTH GALES TO 40 KNOTS. SNOW LIKELY. WAVES
SUBSIDING TO 7 TO 10 FEET.
.TUESDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS. SNOW LIKELY...THEN A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 5 TO
8 FEET.

$$

LSZ265-221730-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
419 AM EST SAT NOV 22 2014

.EARLY THIS MORNING...SOUTHWEST WINDS 20 TO 30 KNOTS. WAVES 3 TO
6 FEET.
.TODAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO 20 KNOTS
IN THE AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN
BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. AREAS OF FOG. A CHANCE OF DRIZZLE.
RAIN LIKELY IN THE AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET...
THEN SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST AFTER
MIDNIGHT. AREAS OF FOG. RAIN. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...NORTHWEST WINDS 15 TO 25 KNOTS INCREASING TO GALES TO
40 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE MORNING. RAIN IN THE
MORNING...THEN SNOW IN THE AFTERNOON. WAVES BUILDING TO 9 TO
12 FEET.
.MONDAY NIGHT...NORTHWEST GALES TO 40 KNOTS. SNOW. WAVES BUILDING
TO 10 TO 14 FEET...THEN SUBSIDING TO 8 TO 11 FEET.
.TUESDAY...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST 10 TO
20 KNOTS. SNOW. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 20 TO
30 KNOTS. A CHANCE OF SNOW SHOWERS...THEN SNOW SHOWERS LIKELY.
WAVES BUILDING TO 5 TO 8 FEET.

$$

LSZ266-221730-
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-
419 AM EST SAT NOV 22 2014

...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING...

.EARLY THIS MORNING...SOUTHWEST GALES TO 35 KNOTS. WAVES 10 TO
14 FEET.
.TODAY...SOUTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST 15 TO
25 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO 4 TO 7 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH AFTER
MIDNIGHT. A SLIGHT CHANCE OF DRIZZLE AFTER MIDNIGHT. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.SUNDAY...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.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BACKING EAST AFTER
MIDNIGHT. AREAS OF FOG. RAIN. WAVES SUBSIDING TO 2 TO 4 FEET.
.MONDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST GALES TO
35 KNOTS IN THE AFTERNOON. AREAS OF FOG. RAIN. SNOW IN THE
AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 9 TO
12 FEET.
.MONDAY NIGHT...NORTHWEST GALES TO 40 KNOTS BECOMING NORTH GALES
TO 35 KNOTS AFTER MIDNIGHT. SNOW. WAVES BUILDING TO 10 TO
14 FEET...THEN SUBSIDING TO 9 TO 12 FEET.
.TUESDAY...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST 10 TO
20 KNOTS. SNOW. WAVES SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 20 TO
30 KNOTS. A CHANCE OF SNOW SHOWERS...THEN SNOW SHOWERS LIKELY.
WAVES BUILDING TO 6 TO 9 FEET.

$$

LSZ267-221730-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
419 AM EST SAT NOV 22 2014

...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING...

.EARLY THIS MORNING...SOUTHWEST GALES TO 35 KNOTS. PATCHY
DRIZZLE. WAVES 8 TO 11 FEET.
.TODAY...SOUTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. PATCHY DRIZZLE. WAVES SUBSIDING TO
3 TO 5 FEET...THEN BUILDING TO 5 TO 8 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH AFTER
MIDNIGHT. A SLIGHT CHANCE OF DRIZZLE AFTER MIDNIGHT. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30 KNOTS
IN THE AFTERNOON. AREAS OF FOG. A CHANCE OF DRIZZLE. RAIN IN THE
AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET...THEN SUBSIDING TO 3 TO
5 FEET.
.SUNDAY NIGHT...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...EAST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS IN THE AFTERNOON. AREAS OF FOG. RAIN. SNOW IN THE
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
4 TO 7 FEET.
.MONDAY NIGHT...NORTHWEST GALES TO 35 KNOTS. SNOW. WAVES BUILDING
TO 10 TO 14 FEET...THEN SUBSIDING TO 8 TO 11 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS. SNOW. WAVES SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 4 TO
7 FEET.

$$

LSZ261-221730-
MAFOR 2210/
SUPERIOR WEST...GALE WARNING IN EFFECT...
11540 19550 11540 12530 11520 11510 11400 11310. WAVES 8 TO 11 FEET
SUBSIDING TO 3 TO 5 FEET TODAY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3
FEET TONIGHT.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...
11540 19550 12640 12630 11510 11410 11420.  WAVES 10 TO 13 FEET SUBSIDING
TO 5 TO 8 FEET TODAY. WAVES 5 TO 7 FEET SUBSIDING TO 1 TO 3 FEET
TONIGHT.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...
11540 19550 11530 11630 12620 11510 11410 11420. WAVES 5 TO 7 FEET
SUBSIDING TO 2 TO 4 FEET TODAY. WAVES 1 TO 3 FEET TONIGHT.

SUPERIOR EAST...GALE WARNING IN EFFECT...
11550 11540 12530 11520 12510 11410. PATCHY DRIZZLE TODAY. WAVES
9 TO 12 FEET SUBSIDING TO 5 TO 8 FEET TODAY. WAVES 5 TO 7 FEET
SUBSIDING TO 2 TO 4 FEET TONIGHT.

$$

JLA




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