Marine Weather Forecast from Environment Canada

Winds


Issued 06:30 PM EDT 03 June 2023

Tonight and Sunday. Wind light becoming southeast 10 knots late overnight then veering to south 10 Sunday morning. Wind becoming light Sunday afternoon.

Extended Forecast


Issued 06:30 PM EDT 03 June 2023
Monday Wind northeast 15 knots.
Tuesday Wind northeast 15 knots backing to northwest 15.
Wednesday Wind light becoming northwest 15 knots.

Waves


Issued 06:30 PM EDT 03 June 2023

Tonight and Sunday. Waves 0.5 metres or less.

Weather & Visibility


Issued 06:30 PM EDT 03 June 2023

Tonight and Sunday.Scattered showers Sunday evening with a risk of thunderstorms. Fog patches forming this evening and dissipating Sunday morning.

Ice Forecast*


Issued 

Tonight and Sunday At 6:30 p.m. EDT tonight departing high 1031 mb located over
northeastern Quebec.

By 6:30 p.m. EDT Sunday low 1015 mb located over central Quebec.

By 6:30 p.m. EDT Sunday high 1037 mb lo

 

Lake Superior Mafor Forecast and Weather Conditions
From NOAA National Weather Service Weather Forecast Office



  
816  
FZUS63 KMQT 040143  
GLFLS  
 
OPEN LAKE FORECAST FOR LAKE SUPERIOR  
NATIONAL WEATHER SERVICE MARQUETTE MI  
943 PM EDT SAT JUN 3 2023  
 
FOR WATERS BEYOND 5 NAUTICAL MILES OF SHORE ON LAKE SUPERIOR.  
 
WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE  
HIGHEST 1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE  
AVERAGE OF THE HIGHEST 1/10 OF THE WAVE SPECTRUM.  
   
SYNOPSIS
 
30.1 INCH RIDGING EXTENDING SOUTHWEST OF A 30.4 INCH  
HIGH OVER NEWFOUNDLAND WILL REMAIN OVER THE LAKE TONIGHT AND BRIEFLY  
RISE TO 30.2 INCHES SUNDAY MORNING. THIS HIGH WILL WEAKEN AND  
SLIDE SOUTH ON SUNDAY, RESULTING IN THE RIDGING OVER THE LAKE TO  
FALL TO 30.1 INCHES AGAIN. A WEAK 30.0 INCH TROUGH BRIEFLY PASSES  
OVER THE LAKE SUNDAY AFTERNOON AND EVENING. A 30.5 INCH HIGH  
PRESSURE FOLLOWS ACROSS HUDSON BAY INTO MONDAY, EXTENDING RIDGING  
AT 30.1 INCHES OVER THE LAKE SUNDAY NIGHT. 30.1 TO 30.2 INCH  
RIDGING WILL CONTINUE TO EXTEND OVER THE LAKE FROM THIS HIGH ON  
MONDAY AND TUESDAY BEFORE WEAKENING TO 30.0 INCHES ON WEDNESDAY  
AND THURSDAY AS IT TRACKS EAST THROUGH FAR NORTHERN QUEBEC.  
 
 
LSZ162-040945-  
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND  
PORTAGE MN BEYOND 5NM-  
943 PM EDT SAT JUN 3 2023 /843 PM CDT SAT JUN 3 2023/  
 
...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT /10 AM CDT/  
SUNDAY...  
   
REST OF TONIGHT
 
NORTHEAST WINDS 5 TO 15 KNOTS. AREAS OF DENSE  
FOG. WAVES CALM TO 2 FEET.    
SUNDAY
 
EAST WINDS 5 TO 15 KNOTS VEERING SOUTHWEST IN THE  
AFTERNOON, THEN BACKING SOUTH LATE. PATCHY DENSE FOG. A SLIGHT  
CHANCE OF RAIN SHOWERS BY MID AFTERNOON. WAVES CALM TO 2 FEET.    
SUNDAY NIGHT
 
EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST AFTER  
MIDNIGHT. A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. WAVES CALM TO 2 FEET.    
MONDAY
 
NORTHEAST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS THROUGH EARLY AFTERNOON. WAVES BUILDING  
TO 2 TO 4 FEET.    
MONDAY NIGHT
 
NORTHEAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING  
TO CALM TO 2 FEET.    
TUESDAY
 
NORTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO  
25 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET  
OCCASIONALLY TO 7 FEET.    
TUESDAY NIGHT
 
NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO  
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.    
WEDNESDAY
 
NORTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.   
THURSDAY
 
SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO  
20 KNOTS. A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.  
 

 
 
LSZ263-040945-  
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-  
943 PM EDT SAT JUN 3 2023  
   
REST OF TONIGHT
 
EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST  
AFTER MIDNIGHT. PATCHY FOG. WAVES CALM TO 2 FEET.    
SUNDAY
 
SOUTHWEST WINDS 5 TO 15 KNOTS. PATCHY FOG. A SLIGHT  
CHANCE OF RAIN SHOWERS BY MID AFTERNOON. WAVES CALM TO 2 FEET.    
SUNDAY NIGHT
 
EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST AFTER  
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES  
CALM TO 2 FEET.    
MONDAY
 
NORTHEAST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO  
4 FEET, THEN SUBSIDING TO 1 TO 3 FEET.    
MONDAY NIGHT
 
NORTHEAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING  
TO CALM TO 2 FEET, THEN BUILDING TO 1 TO 3 FEET.    
TUESDAY
 
NORTHEAST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO  
4 FEET, THEN SUBSIDING TO 1 TO 3 FEET.    
TUESDAY NIGHT
 
NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO  
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.    
WEDNESDAY
 
NORTHEAST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST  
5 TO 15 KNOTS. WAVES CALM TO 2 FEET.    
THURSDAY
 
SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO  
20 KNOTS. WAVES CALM TO 2 FEET.  
 

 
 
LSZ264-040945-  
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU  
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-  
943 PM EDT SAT JUN 3 2023  
   
REST OF TONIGHT
 
EAST WINDS 5 TO 15 KNOTS VEERING SOUTH LATE.  
HAZE AFTER MIDNIGHT. WAVES CALM TO 2 FEET.    
SUNDAY
 
SOUTH WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN  
10 KNOTS IN THE AFTERNOON. HAZE THROUGH EARLY AFTERNOON. PATCHY  
DENSE FOG. WAVES CALM TO 2 FEET.    
SUNDAY NIGHT
 
EAST WINDS LESS THAN 10 KNOTS BECOMING NORTHEAST  
5 TO 15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS.  
WAVES CALM TO 2 FEET.    
MONDAY
 
NORTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.    
MONDAY NIGHT
 
NORTHEAST WINDS 5 TO 15 KNOTS. WAVES BUILDING TO  
1 TO 3 FEET.    
TUESDAY
 
NORTHEAST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM  
TO 2 FEET.    
TUESDAY NIGHT
 
NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST  
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.    
WEDNESDAY
 
NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTHWEST.  
WAVES CALM TO 2 FEET.    
THURSDAY
 
SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.  
 

 
 
LSZ265-040945-  
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI  
BEYOND 5NM FROM SHORE-  
943 PM EDT SAT JUN 3 2023  
   
REST OF TONIGHT
 
EAST WINDS 5 TO 15 KNOTS VEERING SOUTH LATE.  
AREAS OF FOG. WAVES CALM TO 2 FEET.    
SUNDAY
 
SOUTH WINDS 5 TO 15 KNOTS BACKING EAST LATE. WAVES CALM  
TO 2 FEET.    
SUNDAY NIGHT
 
EAST WINDS 5 TO 15 KNOTS BACKING NORTH AFTER  
MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES  
CALM TO 2 FEET.    
MONDAY
 
NORTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO  
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.    
MONDAY NIGHT
 
NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST AFTER  
MIDNIGHT. WAVES CALM TO 2 FEET.    
TUESDAY
 
NORTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO  
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.    
TUESDAY NIGHT
 
NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH  
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.    
WEDNESDAY
 
NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST. WAVES  
CALM TO 2 FEET.    
THURSDAY
 
NORTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST.  
WAVES CALM TO 2 FEET.  
 

 
 
LSZ266-040945-  
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-  
943 PM EDT SAT JUN 3 2023  
   
REST OF TONIGHT
 
NORTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH  
AFTER MIDNIGHT. HAZE. WAVES CALM TO 2 FEET.    
SUNDAY
 
SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST LATE. HAZE.  
WAVES CALM TO 2 FEET.    
SUNDAY NIGHT
 
EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST AFTER  
MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.    
MONDAY
 
NORTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO  
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.    
MONDAY NIGHT
 
NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST AFTER  
MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.    
TUESDAY
 
NORTHEAST WINDS 10 TO 20 KNOTS BACKING NORTH BY MID  
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.    
TUESDAY NIGHT
 
NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST  
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.    
WEDNESDAY
 
NORTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO  
2 FEET.    
THURSDAY
 
NORTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST.  
WAVES CALM TO 2 FEET.  
 

 
 
LSZ267-040945-  
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF  
SHORE TO THE US/CANADIAN BORDER-  
943 PM EDT SAT JUN 3 2023  
   
REST OF TONIGHT
 
SOUTH WINDS 5 TO 15 KNOTS. HAZE. AREAS OF SMOKE  
OVER FAR EAST. WAVES CALM TO 2 FEET.    
SUNDAY
 
SOUTH WINDS 5 TO 15 KNOTS BACKING EAST IN THE  
AFTERNOON. HAZE. WAVES CALM TO 2 FEET.    
SUNDAY NIGHT
 
EAST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO  
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS. WAVES CALM  
TO 2 FEET.    
MONDAY
 
NORTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO  
3 FEET.    
MONDAY NIGHT
 
NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST  
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.    
TUESDAY
 
NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 15 TO  
25 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET, THEN  
BUILDING TO 2 TO 4 FEET.    
TUESDAY NIGHT
 
NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO  
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.    
WEDNESDAY
 
NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH. WAVES  
BUILDING TO 1 TO 3 FEET, THEN SUBSIDING TO CALM TO 2 FEET.    
THURSDAY
 
NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST. WAVES  
CALM TO 2 FEET.  
 

 
LSZ261-040945-  
MAFOR 0403/  
SUPERIOR WEST 11100 19104 12104 11300 19304 13500 11100. WAVES 1  
FOOT OR LESS.  
 
SUPERIOR NORTH CENTRAL 11200 11300 11400 11404 12400 11300 11200.  
WAVES 1 FOOT OR LESS.  
 
SUPERIOR SOUTH CENTRAL 11200 11300 19304 12400 14300. WAVES 1  
FOOT OR LESS.  
 
SUPERIOR EAST 12500 12400 13300 11200. WAVES 1 FOOT OR LESS.  
 

 
 
JABLONSKI  
 
EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT  
WEATHER.GOV/MQT/GLFTABLE  
 
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:  
WEATHER.GOV/GREATLAKES  
 




Random Weather Facts

Weather Terms
Flash Flood Warning - Flash flooding is occurring, imminent or highly likely. A flash flood is a flood that occurs within 6 hours of excessive rainfall and that poses a threat to life and/or property. Ice jams and dam failures can also cause flash floods. These warnings are issued on a county by county basis by the local Weather Forecast Office in Chicago/Romeoville and are generally in effect for up to 6 hours.