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NWS Forecast

FZUS63 KMQT 131427
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
927 AM EST MON FEB 13 2012

SYNOPSIS
A HIGH PRESSURE RIDGE AVERAGING 30.0 INCHES OVER THE
UPPER MISSISSIPPI VALLEY WILL MOVE SLOWLY EAST AND WEAKEN TO 29.9
INCHES OVER LAKE SUPERIOR TODAY. A SERIES OF WEAK LOW PRESSURE
TROUGHS AVERAGING 29.9 INCHES WILL MOVE ACROSS LAKE SUPERIOR TONIGHT
INTO WEDNESDAY AS THEY CIRCULATE AROUND A NEARLY STATIONARY 29.6 INCH
LOW PRESSURE SYSTEM OVER HUDSON BAY. TUESDAY AFTERNOON A LOW PRESSURE
SYSTEM AVERAGING 29.7 INCHES WILL EJECT FROM THE PANHANDLE OF TEXAS
AND LIFT NORTHEASTWARD DEEPENING TO 29.5 INCHES OVER LOWER MICHIGAN
BY THURSDAY. THE LOW WILL CONTINUE TO LIFT NORTHEAST OF LAKE HURON
THURSDAY NIGHT AND THEN INTO QUEBEC ON FRIDAY.

LSZ162-132230-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
927 AM EST MON FEB 13 2012 /827 AM CST MON FEB 13 2012/

REST OF TODAY
SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES 3 TO
5 FEET.

TONIGHT
SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST AFTER
MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.

TUESDAY
WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.

TUESDAY NIGHT
SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST AFTER
MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.

WEDNESDAY
WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS IN THE AFTERNOON. WAVES 1 TO 3 FEET.

WEDNESDAY NIGHT
WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.

THURSDAY
NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.

FRIDAY
NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES CALM TO 2 FEET.



LSZ263-132230-
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-
927 AM EST MON FEB 13 2012

REST OF TODAY
WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST
15 TO 25 KNOTS IN THE AFTERNOON. WAVES 4 TO 7 FEET.

TONIGHT
WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.

TUESDAY
WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST IN THE
AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.

TUESDAY NIGHT
SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.

WEDNESDAY
SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS IN THE AFTERNOON. WAVES 1 TO 3 FEET.

WEDNESDAY NIGHT
WEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.

THURSDAY
NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. WAVES BUILDING TO 1 TO 3 FEET.

FRIDAY
NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES 1 TO 3 FEET.



LSZ264-132230-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
927 AM EST MON FEB 13 2012

REST OF TODAY
WEST WINDS 15 TO 25 KNOTS. WAVES 4 TO 7 FEET.

TONIGHT
WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 3 TO 5 FEET.

TUESDAY
WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET.

TUESDAY NIGHT
SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.

WEDNESDAY
SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS IN THE AFTERNOON. WAVES 1 TO 3 FEET.

WEDNESDAY NIGHT
SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.

THURSDAY
NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. WAVES BUILDING TO 2 TO 4 FEET.

FRIDAY
NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH. WAVES
SUBSIDING TO 1 TO 3 FEET.



LSZ265-132230-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
927 AM EST MON FEB 13 2012

REST OF TODAY
WEST WINDS 10 TO 20 KNOTS. WAVES 3 TO 5 FEET
SUBSIDING TO 1 TO 3 FEET.

TONIGHT
WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.

TUESDAY
WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.

TUESDAY NIGHT
SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.

WEDNESDAY
SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON. WAVES CALM TO 2 FEET.

WEDNESDAY NIGHT
SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.

THURSDAY
NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. WAVES BUILDING TO 2 TO 4 FEET.

FRIDAY
NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.



LSZ266-132230-
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-
927 AM EST MON FEB 13 2012

REST OF TODAY
WEST WINDS 15 TO 25 KNOTS. WAVES 7 TO 10 FEET
SUBSIDING TO 4 TO 7 FEET.

TONIGHT
WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 3 TO 5 FEET.

TUESDAY
WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
IN THE AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.

TUESDAY NIGHT
SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.

WEDNESDAY
SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.

WEDNESDAY NIGHT
SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING
TO CALM TO 2 FEET.

THURSDAY
NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. WAVES BUILDING TO 3 TO 5 FEET.

FRIDAY
NORTHWEST WINDS 15 TO 25 KNOTS VEERING NORTH. A CHANCE
OF SNOW SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.



LSZ267-132230-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
927 AM EST MON FEB 13 2012

REST OF TODAY
WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. WAVES 8 TO 11 FEET SUBSIDING TO 4 TO
7 FEET.

TONIGHT
SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES 4 TO 7 FEET.

TUESDAY
SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.

TUESDAY NIGHT
SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.

WEDNESDAY
SOUTH WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.

WEDNESDAY NIGHT
SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.

THURSDAY
SOUTH WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO
20 KNOTS. WAVES BUILDING TO 2 TO 4 FEET.

FRIDAY
NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES 2 TO 4 FEET.


LSZ261-132230-
MAFOR 1316/
SUPERIOR WEST 14530 11530 11630 12620. WAVES 2 TO 5 FEET.

SUPERIOR NORTH CENTRAL 12630 13640 11630 12620. WAVES 2 TO 7 FEET.

SUPERIOR SOUTH CENTRAL 11630 12620 13630 12620. WAVES 2 TO 7 FEET.

SUPERIOR EAST 15630 11630 11620. WAVES 5 TO 10 FEET.



KEC