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 192056
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
356 PM EST MON JAN 19 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...30.4 INCH HIGH PRESSURE WILL LINGER OVER NORTHERN QUEBEC
THROUGH TUESDAY AS A RIDGE AXIS AVERAGING 30.1 INCHES REMAINS IN
PLACE OVER NORTHWEST ONTARIO. MEANWHILE...A 29.7 INCH LOW PRESSURE
SYSTEM OVER NORTH DAKOTA WILL SLIDE SOUTHEAST THROUGH MINNESOTA AND
INTO THE LOWER GREAT LAKES BY LATE TUESDAY. IN ITS WAKE...A LOW
PRESSURE TROUGH AVERAGING 30.1 INCHES WILL LINGER BACK INTO THE UPPER
GREAT LAKES THROUGH WEDNESDAY TO THE SOUTH OF A 30.3 INCH HIGH
PRESSURE CENTERED NEAR JAMES BAY. ANOTHER LOW PRESSURE TROUGH
AVERAGING 30.2 INCHES WILL DROP ACROSS LAKE SUPERIOR ON THURSDAY IN
ADVANCE OF A 30.4 INCH HIGH PRESSURE RIDGE MOVING INTO NORTHWEST
ONTARIO. AS THE HIGH MOVES INTO QUEBEC ON FRIDAY...EXPECT A 29.5 INCH
LOW PRESSURE SYSTEM IN SOUTH CENTRAL CANADA TO MOVE EAST ACROSS
NORTHWEST ONTARIO AND INTO QUEBEC SATURDAY. THIS WILL PLACE A TROUGH
AVERAGING 29.7 INCHES ACROSS LAKE SUPERIOR.

LSZ162-200500-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
356 PM EST MON JAN 19 2015

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

$$

LSZ263-200500-
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-
356 PM EST MON JAN 19 2015

.LATE THIS AFTERNOON...EAST WINDS 10 TO 20 KNOTS. SCATTERED SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
AFTER MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF FREEZING DRIZZLE
AND SNOW SHOWERS. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS DIMINISHING TO
LESS THAN 10 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF
SNOW SHOWERS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.THURSDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES BUILDING
TO 3 TO 6 FEET.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO 1 TO 3 FEET...THEN
BUILDING TO 2 TO 4 FEET.
.SATURDAY...NORTH WINDS 15 TO 25 KNOTS VEERING NORTHEAST. WAVES
BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 1 TO 3 FEET.

$$

LSZ264-200500-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
356 PM EST MON JAN 19 2015

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

$$

LSZ265-200500-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
356 PM EST MON JAN 19 2015

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

$$

LSZ266-200500-
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-
356 PM EST MON JAN 19 2015

.LATE THIS AFTERNOON...EAST WINDS 5 TO 15 KNOTS. SCATTERED SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS. SCATTERED SNOW SHOWERS.
WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS LESS THAN 10 KNOTS VEERING SOUTHEAST IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS...POSSIBLY MIXED WITH
FREEZING DRIZZLE IN THE AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS DIMINISHING TO
LESS THAN 10 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS.
WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS LESS THAN 10 KNOTS VEERING WEST IN
THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...WEST WINDS LESS THAN 10 KNOTS. A CHANCE OF
SNOW SHOWERS. WAVES CALM TO 2 FEET.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES BUILDING
TO 3 TO 6 FEET.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A
CHANCE OF SNOW. WAVES SUBSIDING TO 2 TO 4 FEET...THEN BUILDING TO
3 TO 6 FEET.
.SATURDAY...NORTH WINDS 20 TO 30 KNOTS. FREEZING SPRAY. WAVES
BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 2 TO 4 FEET.

$$

LSZ267-200500-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
356 PM EST MON JAN 19 2015

.LATE THIS AFTERNOON...NORTHEAST WINDS 5 TO 15 KNOTS. ISOLATED
SNOW SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS. ISOLATED SNOW SHOWERS IN THE
EVENING. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST LESS THAN
10 KNOTS IN THE AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTH WINDS LESS THAN 10 KNOTS. A SLIGHT CHANCE
OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS LESS THAN 10 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHWEST WINDS LESS THAN 10 KNOTS VEERING
WEST AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES CALM TO
2 FEET.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES BUILDING
TO 3 TO 5 FEET.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A
CHANCE OF SNOW. WAVES SUBSIDING TO 2 TO 4 FEET...THEN BUILDING TO
3 TO 6 FEET.
.SATURDAY...NORTHWEST WINDS 20 TO 30 KNOTS VEERING NORTH.
FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 4 TO
7 FEET...THEN SUBSIDING TO 2 TO 4 FEET.

$$

LSZ261-200500-
MAFOR 1922/
SUPERIOR WEST 14220 12210 11200 11300. SCATTERED SNOW SHOWERS
TONIGHT. WAVES CALM TO 3 FEET.

SUPERIOR NORTH CENTRAL 13210 13200 12400. SCATTERED SNOW SHOWERS
THIS EVENING. SCATTERED SNOW SHOWERS AND SLIGHT CHANCE OF LIGHT
FREEZING DRIZZLE TUESDAY AFTERNOON. WAVES 2 FEET OR LESS.

SUPERIOR SOUTH CENTRAL 12210 11217 14200 11300. SCATTERED SNOW
SHOWERS THIS EVENING. SCATTERED SNOW SHOWERS TUESDAY AFTERNOON.
WAVES 1 FOOT OR LESS.

SUPERIOR EAST 12110 12210 13200 11300. WAVES 1 FOOT OR LESS.

$$


KEC


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