Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 012049
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
349 PM EST SUN MAR 1 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.8 INCH LOW PRESSURE TROUGH TRACKING SOUTHEAST
ACROSS CENTRAL CANADA WILL SWEEP ACROSS LAKE SUPERIOR THROUGH
TONIGHT. HIGH PRESSURE OF 30.5 INCHES BUILDING ACROSS THE NORTHERN
PLAINS WILL PASS ACROSS THE WESTERN GREAT LAKES AND OHIO VALLEY
MONDAY AND MONDAY NIGHT. AS THE HIGH REACHES THE EAST COAST
TUESDAY...29.7 INCH LOW PRESSURE WILL TRACK EAST ACROSS THE CENTRAL
PLAINS TO THE SOUTH OF A 29.5 INCH LOW MOVING OVER FAR NORTHERN
ONTARIO. THE PLAINS LOW WILL REACH THE LOWER GREAT LAKES WEDNESDAY
MORNING WHILE THE NORTHERN LOW MOVES TO JAMES BAY. A 30.0 INCH TROUGH
ASSOCIATED WITH THESE LOWS WILL TRACK SOUTHEASTWARD ACROSS LAKE
SUPERIOR ON WEDNESDAY. MEANWHILE...HIGH PRESSURE OF 30.5 INCHES WILL
BUILD OVER THE NORTHERN HIGH PLAINS ON WEDNESDAY...AND TRACK TO THE
OHIO VALLEY BY THURSDAY NIGHT. AS THE HIGH PRESSURE CONTINUES MOVING
EASTWARD ON FRIDAY...A TROUGH AVERAGING 29.9 INCHES WILL MOVE
EASTWARD ACROSS NORTHWEST ONTARIO AND THE UPPER GREAT LAKES REGION.

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

.LATE THIS AFTERNOON...WEST WINDS 15 TO 25 KNOTS. FLURRIES.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS IN THE EVENING.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO 20 KNOTS
IN THE AFTERNOON. SNOW LIKELY IN THE MORNING...THEN A CHANCE OF
SNOW.
.TUESDAY NIGHT...WEST WINDS 20 TO 30 KNOTS.
.WEDNESDAY...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS IN THE AFTERNOON.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
5 TO 15 KNOTS AFTER MIDNIGHT.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS.

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

$$

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-
349 PM EST SUN MAR 1 2015

.LATE THIS AFTERNOON...WEST WINDS 20 TO 30 KNOTS. SCATTERED SNOW
SHOWERS.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS.
.MONDAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS IN THE AFTERNOON.
.MONDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS AFTER
MIDNIGHT.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST IN THE
AFTERNOON. SNOW LIKELY.
.TUESDAY NIGHT...WEST WINDS 20 TO 30 KNOTS. A CHANCE OF SNOW.
.WEDNESDAY...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS IN THE AFTERNOON.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST
AFTER MIDNIGHT.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS.

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

$$

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

.LATE THIS AFTERNOON...WEST WINDS 20 TO 30 KNOTS. SCATTERED SNOW
SHOWERS.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS. SCATTERED SNOW SHOWERS.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST IN THE
AFTERNOON.
.MONDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS AFTER
MIDNIGHT.
.TUESDAY...SOUTH WINDS 15 TO 25 KNOTS. SNOW LIKELY.
.TUESDAY NIGHT...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST
GALES TO 35 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW.
.WEDNESDAY...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE
OF SNOW.

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

$$

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

.LATE THIS AFTERNOON...WEST WINDS 10 TO 20 KNOTS. FLURRIES.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30 KNOTS
AFTER MIDNIGHT. ISOLATED SNOW SHOWERS.
.MONDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO 15 KNOTS
IN THE AFTERNOON.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS AFTER MIDNIGHT.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS. SNOW.
.TUESDAY NIGHT...WEST WINDS 15 TO 25 KNOTS INCREASING TO GALES TO
35 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW.
.WEDNESDAY...WEST GALES TO 35 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST
10 TO 20 KNOTS AFTER MIDNIGHT.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST.

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

$$

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-
349 PM EST SUN MAR 1 2015

.LATE THIS AFTERNOON...WEST WINDS 15 TO 25 KNOTS. SCATTERED SNOW
SHOWERS.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30 KNOTS
AFTER MIDNIGHT. SCATTERED SNOW SHOWERS.
.MONDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO 15 KNOTS
IN THE AFTERNOON. ISOLATED SNOW SHOWERS IN THE MORNING.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS AFTER MIDNIGHT.
.TUESDAY...SOUTH WINDS 15 TO 25 KNOTS. SNOW.
.TUESDAY NIGHT...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST
GALES TO 35 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW.
.WEDNESDAY...WEST GALES TO 35 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE
OF SNOW.

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

$$

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

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 15 KNOTS. SCATTERED
SNOW SHOWERS.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO 30 KNOTS
AFTER MIDNIGHT. SCATTERED SNOW SHOWERS.
.MONDAY...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST 10 TO
20 KNOTS IN THE AFTERNOON. ISOLATED SNOW SHOWERS IN THE MORNING.
.MONDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT.
.TUESDAY...SOUTH WINDS 15 TO 25 KNOTS BACKING SOUTHEAST IN THE
AFTERNOON. SNOW LIKELY IN THE MORNING...THEN SNOW IN THE
AFTERNOON.
.TUESDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST
GALES TO 35 KNOTS AFTER MIDNIGHT. SNOW LIKELY IN THE EVENING...
THEN A CHANCE OF SNOW.
.WEDNESDAY...WEST GALES TO 35 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS IN THE AFTERNOON. 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 BACKING SOUTHWEST.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS. A CHANCE OF SNOW.

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

$$

LSZ261-020500-
MAFOR 0122/
SUPERIOR WEST 13630 12620 11510 12520. WAVES OMITTED FOR MOSTLY
ICE COVERED AREAS.

SUPERIOR NORTH CENTRAL 11640 14630 12620 11520. SCATTERED SNOW
SHOWERS EARLY THIS EVENING. WAVES OMITTED FOR MOSTLY ICE COVERED
AREAS.

SUPERIOR SOUTH CENTRAL 11620 12630 12640 11630 11620 11610.
SCATTERED SNOW SHOWERS OVERNIGHT. WAVES OMITTED FOR MOSTLY ICE
COVERED AREAS.

SUPERIOR EAST 11620 12630 12740 11730 11720 11620. SCATTERED SNOW
SHOWERS TONIGHT. WAVES OMITTED FOR MOSTLY ICE COVERED AREAS.

$$

KLUBER


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