Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 242045
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
345 PM EST TUE FEB 24 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.2 INCH LOW PRESSURE SYSTEM OVER JAMES BAY WILL MOVE
TO WESTERN QUEBEC TONIGHT AND WEDNESDAY WHILE WEAKENING TO 29.7
INCHES. A 30.8 INCH HIGH PRESSURE SYSTEM OVER THE CANADIAN ROCKIES
WEDNESDAY EVENING WILL SETTLE INTO THE NORTHERN PLAINS ON THURSDAY
AND THEN DRIFT INTO THE LOWER GREAT LAKES ON FRIDAY AND THE MID
ATLANTIC STATES ON SATURDAY AND OFF THE EAST COAST ON SUNDAY.

LSZ162-250445-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
345 PM EST TUE FEB 24 2015

.LATE THIS AFTERNOON...NORTHWEST WINDS 15 TO 25 KNOTS.
.TONIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. ISOLATED SNOW SHOWERS
AFTER MIDNIGHT.
.WEDNESDAY...NORTHWEST WINDS 5 TO 15 KNOTS. ISOLATED SNOW SHOWERS
IN THE MORNING.
.WEDNESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST IN THE
AFTERNOON.
.FRIDAY NIGHT AND SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS.
.SUNDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS.
A CHANCE OF SNOW.

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

$$

LSZ263-250445-
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-
345 PM EST TUE FEB 24 2015

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

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

$$

LSZ264-250445-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
345 PM EST TUE FEB 24 2015

.LATE THIS AFTERNOON...NORTHWEST WINDS 20 TO 30 KNOTS. ISOLATED
SNOW SHOWERS.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. ISOLATED SNOW SHOWERS.
.WEDNESDAY...NORTHWEST WINDS 10 TO 20 KNOTS. ISOLATED SNOW
SHOWERS.
.WEDNESDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF SNOW SHOWERS.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS.
.THURSDAY NIGHT...WEST WINDS 5 TO 15 KNOTS.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. A CHANCE OF SNOW.
.SUNDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW.

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

$$

LSZ265-250445-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
345 PM EST TUE FEB 24 2015

.LATE THIS AFTERNOON...NORTHWEST WINDS 20 TO 30 KNOTS. A FEW GALE
FORCE GUSTS TO 35 KNOTS. SCATTERED SNOW SHOWERS.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS.
.WEDNESDAY...NORTHWEST WINDS 10 TO 20 KNOTS. SCATTERED SNOW
SHOWERS.
.WEDNESDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF
SNOW SHOWERS.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS.
.SUNDAY...WEST WINDS 10 TO 20 KNOTS.

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

$$

LSZ266-250445-
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-
345 PM EST TUE FEB 24 2015

.LATE THIS AFTERNOON...NORTHWEST WINDS 20 TO 30 KNOTS. A FEW GALE
FORCE GUSTS TO 35 KNOTS. SCATTERED SNOW SHOWERS.
.TONIGHT...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS. SCATTERED SNOW
SHOWERS.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS.
.THURSDAY NIGHT AND FRIDAY...WEST WINDS 10 TO 20 KNOTS.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 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.

$$

LSZ267-250445-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
345 PM EST TUE FEB 24 2015

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

$$

LSZ261-250445-
MAFOR 2422/
SUPERIOR WEST 11730 12720 13710 12700. WAVES OMITTED FOR MOSTLY
ICE COVERED AREAS.

SUPERIOR NORTH CENTRAL 12740 12730 14720. WAVES OMITTED FOR
MOSTLY ICE COVERED AREAS.

SUPERIOR SOUTH CENTRAL 11740 19750 11740 12730 14720. SCATTERED SNOW
SHOWERS TONIGHT AND EARLY WEDNESDAY AFTERNOON. WAVES OMITTED FOR
MOSTLY ICE COVERED AREAS.

SUPERIOR EAST 11740 19750 12740 11730 14720. SCATTERED SNOW SHOWERS
EARLY THIS EVENING AND OVERNIGHT. SCATTERED SNOW SHOWERS EARLY
WEDNESDAY AFTERNOON. WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

07


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