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 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZUS63 KMQT 292059
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
359 PM EST THU JAN 29 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.7 INCH LOW PRESSURE SYSTEM CENTERED OVER NORTHWEST
GEORGIAN BAY LATE THIS AFTERNOON WILL MOVE INTO QUEBEC THIS EVENING
WHILE ANOTHER 29.7 INCH LOW NEAR DETROIT SHIFTS EAST ACROSS THE LOWER
GREAT LAKES AND INTO NEW ENGLAND ON FRIDAY MORNING. MEANWHILE...30.7
INCH HIGH PRESSURE OVER SOUTH CENTRAL CANADA WILL MOVE SOUTHEAST INTO
MINNESOTA ON FRIDAY. AS THIS HIGH DRIFTS INTO THE OHIO RIVER VALLEY
ON SATURDAY...A LOW PRESSURE TROUGH AVERAGING 30.1 INCHES WILL SLIDE
ACROSS THE UPPER GREAT LAKES. EXPECT 30.8 INCH HIGH PRESSURE OVER
CENTRAL CANADA ON SATURDAY TO MOVE SOUTHEAST INTO THE NORTHERN PLAINS
ON SUNDAY...AND THE MID MISSISSIPPI RIVER VALLEY ON MONDAY. A 29.8
INCH TROUGH WILL THEN CROSS THE UPPER GREAT LAKES ON TUESDAY.

LSZ162-300500-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
359 PM EST THU JAN 29 2015

.LATE THIS AFTERNOON...NORTHWEST WINDS 20 TO 30 KNOTS. ISOLATED
SNOW SHOWERS. WAVES 3 TO 6 FEET.
.TONIGHT...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS. WAVES SUBSIDING
TO 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS IN THE AFTERNOON. ISOLATED SNOW SHOWERS IN THE
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST AFTER
MIDNIGHT. A CHANCE OF SNOW. WAVES BUILDING TO 1 TO 3 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 25 KNOTS VEERING NORTH IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES BUILDING TO
2 TO 4 FEET.
.SATURDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS IN THE AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 2 TO
4 FEET.

$$

LSZ263-300500-
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-
359 PM EST THU JAN 29 2015

...GALE WARNING IN EFFECT UNTIL 1 AM EST FRIDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH LATE TONIGHT...

.LATE THIS AFTERNOON...NORTH GALES TO 35 KNOTS. HEAVY FREEZING
SPRAY. ISOLATED SNOW SHOWERS. WAVES 4 TO 8 FEET.
.TONIGHT...NORTH WINDS 20 TO 30 KNOTS WITH GALE FORCE GUSTS TO 35
KNOTS DIMINISHING TO 15 TO 25 KNOTS AFTER MIDNIGHT. HEAVY FREEZING
SPRAY IN THE EVENING. ISOLATED SNOW SHOWERS. WAVES SUBSIDING TO 2 TO
4 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST IN THE
AFTERNOON. SCATTERED SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST AFTER
MIDNIGHT. A CHANCE OF SNOW. WAVES BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH 20 TO
30 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 3 TO 6 FEET.
.SATURDAY NIGHT...NORTH 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.
.SUNDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. SNOW SHOWERS LIKELY...THEN A CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 2 TO 4 FEET.

$$

LSZ264-300500-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
359 PM EST THU JAN 29 2015

...GALE WARNING IN EFFECT UNTIL 1 AM EST FRIDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH FRIDAY
MORNING...

.LATE THIS AFTERNOON...NORTH GALES TO 35 KNOTS. HEAVY FREEZING
SPRAY. ISOLATED SNOW SHOWERS. WAVES 8 TO 12 FEET.
.TONIGHT...NORTH GALES TO 35 KNOTS DIMINISHING TO 15 TO 25 KNOTS
AFTER MIDNIGHT. HEAVY FREEZING SPRAY. SCATTERED SNOW SHOWERS.
WAVES SUBSIDING TO 3 TO 5 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS IN THE AFTERNOON. SCATTERED SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
IN THE EVENING...THEN SNOW LIKELY AFTER MIDNIGHT. WAVES BUILDING
TO 2 TO 4 FEET.
.SATURDAY...NORTHWEST WINDS 20 TO 30 KNOTS VEERING NORTH IN THE
AFTERNOON. HEAVY FREEZING SPRAY. A CHANCE OF SNOW SHOWERS IN THE
MORNING. SNOW SHOWERS LIKELY IN THE AFTERNOON. WAVES BUILDING TO
6 TO 9 FEET.
.SATURDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY IN THE EVENING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. SNOW SHOWERS LIKELY...THEN A
CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. SNOW SHOWERS LIKELY...THEN A CHANCE OF SNOW SHOWERS.
WAVES BUILDING TO 3 TO 5 FEET.

$$

LSZ265-300500-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
359 PM EST THU JAN 29 2015

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.LATE THIS AFTERNOON...NORTH GALES TO 40 KNOTS. SCATTERED SNOW
SHOWERS. WAVES 6 TO 9 FEET.
.TONIGHT...NORTH GALES TO 35 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS OVERNIGHT. SCATTERED SNOW SHOWERS. WAVES SUBSIDING TO 3 TO
5 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 5 TO
15 KNOTS IN THE AFTERNOON. ISOLATED SNOW SHOWERS. WAVES SUBSIDING
TO CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH GALES
TO 35 KNOTS IN THE AFTERNOON. SNOW SHOWERS. WAVES BUILDING TO
4 TO 7 FEET.
.SATURDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES CALM TO 2 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. SNOW SHOWERS LIKELY. WAVES BUILDING TO 1 TO 3 FEET.

$$

LSZ266-300500-
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-
359 PM EST THU JAN 29 2015

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH FRIDAY
MORNING...

.LATE THIS AFTERNOON...NORTH GALES TO 45 KNOTS. HEAVY FREEZING
SPRAY. SCATTERED SNOW SHOWERS. WAVES 10 TO 14 FEET.
.TONIGHT...NORTH GALES TO 40 KNOTS DIMINISHING TO 20 TO 30 KNOTS
OVERNIGHT. HEAVY FREEZING SPRAY. SCATTERED SNOW SHOWERS. WAVES
SUBSIDING TO 4 TO 7 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY IN THE MORNING.
SCATTERED SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES SUBSIDING
TO CALM TO 2 FEET...THEN BUILDING TO 2 TO 4 FEET.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTH GALES TO
35 KNOTS IN THE AFTERNOON. SNOW SHOWERS. HEAVY FREEZING SPRAY IN THE
AFTERNOON. WAVES BUILDING TO 7 TO 10 FEET.
.SATURDAY NIGHT...NORTH GALES TO 35 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY IN THE EVENING.
SNOW SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS IN THE AFTERNOON. SNOW SHOWERS. WAVES SUBSIDING TO CALM
TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS. SNOW SHOWERS
LIKELY. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...WEST WINDS 15 TO 25 KNOTS. SNOW SHOWERS LIKELY...THEN A
CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 3 TO 5 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS. SNOW SHOWERS. WAVES 3 TO 6 FEET.

$$

LSZ267-300500-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
359 PM EST THU JAN 29 2015

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH FRIDAY
MORNING...

.LATE THIS AFTERNOON...NORTH GALES TO 40 KNOTS. HEAVY FREEZING
SPRAY. ISOLATED SNOW SHOWERS. WAVES 10 TO 14 FEET.
.TONIGHT...NORTH GALES TO 40 KNOTS DIMINISHING TO 20 TO 30 KNOTS
OVERNIGHT. HEAVY FREEZING SPRAY. SCATTERED SNOW SHOWERS. WAVES
SUBSIDING TO 4 TO 7 FEET.
.FRIDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING WEST 5 TO 15 KNOTS
IN THE AFTERNOON. HEAVY FREEZING SPRAY IN THE MORNING. NUMEROUS SNOW
SHOWERS IN THE MORNING...THEN SCATTERED SNOW SHOWERS. WAVES SUBSIDING
TO CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST
GALES TO 35 KNOTS IN THE AFTERNOON. SNOW SHOWERS. HEAVY FREEZING
SPRAY IN THE AFTERNOON. WAVES BUILDING TO 6 TO 9 FEET.
.SATURDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY IN THE
EVENING. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 2 TO
4 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTH IN THE
AFTERNOON. SNOW SHOWERS LIKELY IN THE AFTERNOON. WAVES SUBSIDING
TO CALM TO 2 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 2 TO 4 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS. SNOW SHOWERS LIKELY. WAVES BUILDING TO 3 TO 5 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. SNOW
SHOWERS. WAVES BUILDING TO 3 TO 6 FEET.

$$

LSZ261-300500-
MAFOR 2922/
SUPERIOR WEST...12840 11830 11730 11720 11710 11610 11510. FREEZING
SPRAY THIS EVENING. WAVES 2 TO 6 FEET TONIGHT SUBSIDING TO 1 TO 3
FEET FRIDAY.

SUPERIOR NORTH CENTRAL...GALE AND HEAVY FREEZING SPRAY WARNINGS IN
EFFECT...11862 12852 11842 11730 11720 11710 11610. SCATTERED SNOW
SHOWERS TONIGHT. WAVES 7 TO 11 FEET SUBSIDING TO 4 TO 7 FEET
TONIGHT. WAVES SUBSIDING TO 1 TO 3 FEET FRIDAY.

SUPERIOR SOUTH CENTRAL...GALE AND HEAVY FREEZING SPRAY WARNINGS IN
EFFECT...11762 12852 11752 11742 11730 11720 11620. SCATTERED SNOW
SHOWERS. WAVES 9 TO 12 FEET SUBSIDING TO 5 TO 8 FEET TONIGHT. WAVES
SUBSIDING TO 1 TO 3 FEET FRIDAY.

SUPERIOR EAST...GALE AND HEAVY FREEZING SPRAY WARNINGS IN
EFFECT...11862 12852 12842 11837 11827 11720. HEAVY FREEZING SPRAY
THROUGH TONIGHT. SCATTERED SNOW SHOWERS TONIGHT. WAVES 10 TO 14 FEET
SUBSIDING TO 5 TO 8 FEET TONIGHT. WAVES SUBSIDING TO 2 TO 4 FEET
FRIDAY.

$$

KLUBER


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