Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary Off
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 012055
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
355 PM EST SUN FEB 1 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.7 INCH HIGH PRESSURE SYSTEM CENTERED OVER THE
DAKOTAS WILL SETTLE ACROSS THE NORTHERN AND CENTRAL PLAINS STATES
TONIGHT AND WEAKEN TO 30.5 INCHES ON MONDAY MORNING. EXPECT AN
ASSOCIATED RIDGE EXTENDING FROM THIS HIGH ACROSS WESTERN LAKE
SUPERIOR TONIGHT TO SLOWLY WEAKEN TO 30.2 INCHES BY MONDAY AFTERNOON
AS THE AREA OF HIGH PRESSURE DRIFTS ACROSS THE OHIO VALLEY...AND
THEN THE MID ATLANTIC STATES TUESDAY. A 30.0 INCH TROUGH WILL THEN
CROSS THE UPPER GREAT LAKES ON TUESDAY FOLLOWED BY 30.6 INCH HIGH
PRESSURE BUILDING INTO THE NORTHERN PLAINS ON WEDNESDAY AND THEN
SLIDING INTO THE UPPER GREAT LAKES ON THURSDAY.

LSZ162-020500-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
355 PM EST SUN FEB 1 2015

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

$$

LSZ263-020500-
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-
355 PM EST SUN FEB 1 2015

.LATE THIS AFTERNOON...NORTH WINDS 10 TO 20 KNOTS. SCATTERED SNOW
SHOWERS. WAVES 1 TO 3 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES SUBSIDING
TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO 30 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO
3 TO 6 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. HEAVY FREEZING SPRAY IN THE EVENING. NUMEROUS SNOW
SHOWERS IN THE EVENING...THEN SCATTERED SNOW SHOWERS AFTER
MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS. SCATTERED SNOW
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES
BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS IN THE AFTERNOON. SCATTERED SNOW SHOWERS. WAVES BUILDING
TO 2 TO 4 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST
10 TO 20 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET...THEN BUILDING TO 3 TO 5 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET...
THEN BUILDING TO 2 TO 4 FEET.

$$

LSZ264-020500-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
355 PM EST SUN FEB 1 2015

.LATE THIS AFTERNOON...NORTH WINDS 10 TO 20 KNOTS. SCATTERED SNOW
SHOWERS. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS. SCATTERED SNOW SHOWERS.
WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO 30 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO
3 TO 6 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. HEAVY FREEZING
SPRAY IN THE EVENING. NUMEROUS SNOW SHOWERS IN THE EVENING...THEN
SCATTERED SNOW SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO
4 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS. SCATTERED SNOW
SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES BUILDING TO
2 TO 4 FEET.
.WEDNESDAY...NORTHWEST WINDS 20 TO 30 KNOTS. NUMEROUS SNOW
SHOWERS. WAVES BUILDING TO 3 TO 5 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. NUMEROUS SNOW SHOWERS IN THE
EVENING...THEN SCATTERED SNOW SHOWERS AFTER MIDNIGHT. WAVES
SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST. WAVES
BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET...
THEN BUILDING TO 3 TO 5 FEET.

$$

LSZ265-020500-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
355 PM EST SUN FEB 1 2015

.LATE THIS AFTERNOON...NORTH WINDS 10 TO 20 KNOTS. SCATTERED SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST AFTER
MIDNIGHT. SCATTERED 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.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST AFTER
MIDNIGHT. SCATTERED SNOW SHOWERS IN THE EVENING...THEN NUMEROUS
SNOW SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...
THEN BUILDING TO 1 TO 3 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS. NUMEROUS SNOW SHOWERS.
WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. SNOW SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHWEST WINDS 20 TO 30 KNOTS. SNOW SHOWERS. WAVES
BUILDING TO 3 TO 6 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BACKING WEST
AFTER MIDNIGHT. NUMEROUS SNOW SHOWERS IN THE EVENING...THEN
SCATTERED SNOW SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO
3 FEET.
.THURSDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 2 TO 4 FEET.

$$

LSZ266-020500-
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-
355 PM EST SUN FEB 1 2015

.LATE THIS AFTERNOON...NORTH WINDS 10 TO 20 KNOTS. NUMEROUS SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS IN THE EVENING...
THEN NUMEROUS SNOW SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. SNOW SHOWERS LIKELY IN THE MORNING...THEN A
CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES BUILDING TO 3 TO
5 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. FREEZING SPRAY IN THE
EVENING. HEAVY FREEZING SPRAY AFTER MIDNIGHT. SNOW SHOWERS. WAVES
BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO 5 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS IN THE AFTERNOON. SNOW SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET...THEN BUILDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES BUILDING TO
3 TO 5 FEET.
.WEDNESDAY...NORTHWEST WINDS 20 TO 30 KNOTS INCREASING TO GALES
TO 35 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY. SNOW SHOWERS.
WAVES BUILDING TO 5 TO 8 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY IN THE
EVENING. SNOW SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.THURSDAY...SOUTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 3 TO
6 FEET.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTH. A CHANCE OF
SNOW. WAVES SUBSIDING TO 2 TO 4 FEET...THEN BUILDING TO 3 TO
5 FEET.

$$

LSZ267-020500-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
355 PM EST SUN FEB 1 2015

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

$$

LSZ261-020500-
MAFOR 0122/
SUPERIOR WEST 12820 11810 11700 11710 11620 11630 11540. CHANCE
OF SNOW SHOWERS EARLY MONDAY AFTERNOON. WAVES 1 TO 5 FEET.

SUPERIOR NORTH CENTRAL 13820 11810 11710 11620 11630 11647.
SCATTERED SNOW SHOWERS EARLY THIS EVENING AND OVERNIGHT. CHANCE OF
SNOW SHOWERS EARLY MONDAY AFTERNOON. WAVES 1 TO 5 FEET.

SUPERIOR SOUTH CENTRAL 11817 12820 11710 11720 13630. SCATTERED
SNOW SHOWERS TONIGHT. CHANCE OF SNOW SHOWERS EARLY MONDAY
AFTERNOON. WAVES CALM TO 3 FEET.

SUPERIOR EAST 14120 11117 11307 11527 11637. SCATTERED SNOW
SHOWERS TONIGHT. WAVES 1 TO 4 FEET.

$$

PETRO



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