Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 251453
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
953 AM EST WED FEB 25 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.5 INCH LOW PRESSURE SYSTEM OVER NORTHERN QUEBEC
WILL DRIFT NORTHEAST ACROSS FAR NORTHERN QUEBEC TODAY AND WEAKEN
29.7 INCHES. IN ITS WAKE...EXPECT A 30.9 INCH HIGH PRESSURE CENTER
OVER THE CANADIAN ROCKIES WEDNESDAY EVENING TO SETTLE INTO THE
NORTHERN PLAINS ON THURSDAY...INTO THE OHIO RIVER VALLEY LATE ON
FRIDAY...INTO THE MID ATLANTIC STATES ON SATURDAY AND THEN OFF THE
EAST COAST ON SUNDAY. A 29.6 INCH LOW PRESSURE SYSTEM MOVING THROUGH
HUDSON BAY ON SATURDAY WILL DRIFT ACROSS NORTHERN QUEBEC ON SUNDAY.

LSZ162-252300-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
953 AM EST WED FEB 25 2015

.REST OF TODAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST IN
THE AFTERNOON. ISOLATED SNOW SHOWERS.
.TONIGHT...NORTH WINDS 5 TO 15 KNOTS. ISOLATED SNOW SHOWERS.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KNOTS.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS IN THE AFTERNOON.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS.
.SUNDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS.

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

$$

LSZ263-252300-
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-
953 AM EST WED FEB 25 2015

.REST OF TODAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
5 TO 15 KNOTS IN THE AFTERNOON. ISOLATED SNOW SHOWERS.
.TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH AFTER
MIDNIGHT. ISOLATED 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 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS 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.

$$

LSZ264-252300-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
953 AM EST WED FEB 25 2015

.REST OF TODAY...NORTHWEST WINDS 10 TO 20 KNOTS. ISOLATED SNOW
SHOWERS.
.TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. ISOLATED 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 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST AFTER
MIDNIGHT.
.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.

$$

LSZ265-252300-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
953 AM EST WED FEB 25 2015

.REST OF TODAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS IN THE AFTERNOON. SCATTERED SNOW SHOWERS.
.TONIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS.
.FRIDAY NIGHT...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT.
.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.

$$

LSZ266-252300-
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-
953 AM EST WED FEB 25 2015

.REST OF TODAY...NORTHWEST WINDS 15 TO 25 KNOTS. SCATTERED SNOW
SHOWERS.
.TONIGHT...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH AFTER
MIDNIGHT. SCATTERED 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...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 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.

$$

LSZ267-252300-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
953 AM EST WED FEB 25 2015

.REST OF TODAY...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS IN THE AFTERNOON. SCATTERED SNOW SHOWERS.
.TONIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS.
.THURSDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
IN THE AFTERNOON.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 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.

$$
LSZ261-252300-
MAFOR 2516/
SUPERIOR WEST 11710 11700 12710 12810 12700. WAVES OMITTED FOR
MOSTLY ICE COVERED AREAS.

SUPERIOR NORTH CENTRAL 14720 14710. WAVES OMITTED FOR MOSTLY ICE
COVERED AREAS.

SUPERIOR SOUTH CENTRAL 11727 13720 14710. SCATTERED SNOW SHOWERS
THIS AFTERNOON THROUGH MIDNIGHT TONIGHT. CHANCE OF SNOW SHOWERS
THURSDAY MORNING. WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

SUPERIOR EAST 14720 12810 11800 11700. SCATTERED SNOW SHOWERS
THIS AFTERNOON THROUGH MIDNIGHT TONIGHT. WAVES OMITTED FOR MOSTLY
ICE COVERED AREAS.

$$

JS



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