Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | 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 040236
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
936 PM EST TUE MAR 3 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...29.2 INCH LOW PRESSURE NEAR SOUTHERN JAMES BAY LATE THIS
EVENING WILL TRACK EASTWARD ACROSS QUEBEC ON WEDNESDAY AS HIGH
PRESSURE OF 30.5 INCHES MOVES FROM THE CANADIAN ROCKIES TO THE
NORTHERN PLAINS. THE HIGH WILL THEN MOVE OVER THE MID MISSISSIPPI
VALLEY THURSDAY EVENING. AS THE HIGH PRESSURE CONTINUES MOVING TO THE
SOUTHEAST...A TROUGH AVERAGING 29.7 INCHES WILL DRIFT ACROSS NORTHERN
ONTARIO AND THE UPPER GREAT LAKES FRIDAY INTO SATURDAY MORNING. A
30.3 INCH RIDGE OVER THE NORTHERN PLAINS SATURDAY WILL WEAKEN TO 30.1
INCHES AS IT MOVES OVER THE EASTERN GREAT LAKES SUNDAY MORNING. A
29.8 INCH LOW PRESSURE TROUGH OVER THE NORTHERN PLAINS SUNDAY MORNING
WILL REACH THE UPPER GREAT LAKES BY SUNDAY EVENING.

LSZ162-041045-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
936 PM EST TUE MAR 3 2015

.REST OF TONIGHT...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS IN THE AFTERNOON.
.THURSDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST IN THE
AFTERNOON.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

LSZ263-041045-
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-
936 PM EST TUE MAR 3 2015

.REST OF TONIGHT...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS.
.THURSDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST. A CHANCE OF
SNOW.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

LSZ264-041045-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
936 PM EST TUE MAR 3 2015

...GALE WARNING IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.REST OF TONIGHT...WEST GALES TO 35 KNOTS. SCATTERED SNOW SHOWERS.
.WEDNESDAY...WEST GALES TO 35 KNOTS IN THE MORNING BECOMING
NORTHWEST 15 TO 25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
5 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS.
.THURSDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF
SNOW SHOWERS.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST IN THE
AFTERNOON. A CHANCE OF SNOW.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS. A CHANCE OF SNOW.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

LSZ265-041045-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
936 PM EST TUE MAR 3 2015

...GALE WARNING IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.REST OF TONIGHT...WEST GALES TO 35 KNOTS. SCATTERED SNOW SHOWERS.
.WEDNESDAY...WEST GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS. A CHANCE OF SNOW.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST. A CHANCE OF
SNOW.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

LSZ266-041045-
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-
936 PM EST TUE MAR 3 2015

...GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING...

.REST OF TONIGHT...WEST GALES TO 40 KNOTS DIMINISHING TO 35 KNOTS
LATE. SCATTERED SNOW SHOWERS.
.WEDNESDAY...WEST GALES TO 35 KNOTS VEERING NORTHWEST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS. A CHANCE OF SNOW.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE
OF SNOW.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

LSZ267-041045-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
936 PM EST TUE MAR 3 2015

...GALE WARNING IN EFFECT FROM 1 AM EST WEDNESDAY THROUGH
WEDNESDAY EVENING...

.REST OF TONIGHT...WEST WINDS GALES TO 35 KNOTS. SCATTERED SNOW
SHOWERS.
.WEDNESDAY...WEST GALES TO 35 KNOTS. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. A CHANCE OF SNOW.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST. A CHANCE OF
SNOW.

NOTE...WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$
LSZ261-041045-
MAFOR 0404/
SUPERIOR WEST 11640 13630 12640 11730 11620. SCATTERED SNOW SHOWERS.
WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...13650 11640 12740
11730 11720. CHANCE OF SNOW SHOWERS WEDNESDAY AND WEDNESDAY EVENING.
WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...13650 13640 11740
11630. SCATTERED SNOW SHOWERS. WAVES OMITTED FOR MOSTLY ICE COVERED
AREAS.

SUPERIOR EAST...GALE WARNING IN EFFECT...11650 11750 13640 12740
11730. SCATTERED SNOW SHOWERS. WAVES OMITTED FOR MOSTLY ICE COVERED
AREAS.

$$

KLUBER



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