735  
FZUS61 KBUF 311502  
GLFLO  
 
OPEN LAKE FORECAST FOR LAKE ONTARIO  
NATIONAL WEATHER SERVICE BUFFALO NY  
1002 AM EST SAT JAN 31 2026  
 
FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO  
 
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
 
A 30.9 INCH HIGH OVER THE UPPER MIDWEST WILL BUILD  
SOUTHWARD ACROSS THE PLAINS STATES THROUGH SATURDAY, BEFORE  
WEAKENING TO 30.4 INCHES AND SETTLING ACROSS THE GULF COAST STATES  
ON SUNDAY. THE NORTHEASTERN PORTION OF THIS RIDGE WILL SLIDE ACROSS  
THE CENTRAL AND EASTERN GREAT LAKES SUNDAY AND MONDAY, WITH A  
WEAKENING 30.0 INCH TROUGH SLIDING ACROSS THE LAKE TUESDAY. A 30.6  
INCH HIGH FROM CENTRAL CANADA WILL MOVE INTO THE UPPER MIDWEST  
WEDNESDAY.  
 
LOZ062-312200-  
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-  
1002 AM EST SAT JAN 31 2026  
   
REST OF TODAY
 
NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHWEST.  
LAKE EFFECT SNOW SHOWERS LIKELY LATE THIS MORNING, THEN SCATTERED  
SNOW SHOWERS THIS AFTERNOON. WAVES 1 TO 2 FEET.    
TONIGHT
 
NORTH WINDS 10 TO 15 KNOTS. A CHANCE OF SNOW SHOWERS  
EARLY. WAVES 1 TO 2 FEET.    
SUNDAY
 
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHWEST. WAVES  
1 TO 2 FEET.    
SUNDAY NIGHT
 
NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO  
3 FEET.    
MONDAY
 
WEST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST. WAVES  
1 TO 3 FEET.    
TUESDAY
 
WEST WINDS 10 TO 15 KNOTS BECOMING NORTHWEST. A CHANCE  
OF SNOW SHOWERS. WAVES 2 TO 3 FEET.    
WEDNESDAY
 
NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 2 FEET.  
 

 
 
LOZ063>065-312200-  
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE  
RIVER-  
1002 AM EST SAT JAN 31 2026  
   
REST OF TODAY
 
NORTH WINDS 5 TO 10 KNOTS BECOMING NORTHWEST.  
LAKE EFFECT SNOW LATE THIS MORNING, THEN LAKE EFFECT SNOW SHOWERS  
LIKELY THIS AFTERNOON. WAVES 2 FEET OR LESS.    
TONIGHT
 
NORTH WINDS 5 TO 15 KNOTS. A CHANCE OF SNOW SHOWERS  
EARLY. WAVES 2 FEET OR LESS.    
SUNDAY
 
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHWEST. WAVES  
1 TO 3 FEET.    
SUNDAY NIGHT
 
NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO  
3 FEET.    
MONDAY
 
NORTHWEST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST.  
WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET, THEN SUBSIDING TO 1 TO  
3 FEET.    
TUESDAY
 
SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST. A  
CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FEET.    
WEDNESDAY
 
NORTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF SNOW  
SHOWERS DURING THE DAY. WAVES 2 FEET OR LESS.  
 

 
 
LOZ061-312200-  
MAFOR 3116/  
ONTARIO WEST 1/2 11800 19807 11700 19707 11710 19717 14810 11810.  
WAVES 1 TO 3 FEET.  
 
ONTARIO EAST 1/2 11807 11700 19707 12800 14810. WAVES 2 FEET OR  
LESS THIS AFTERNOON AND TONIGHT. WAVES 1 TO 3 FEET SUNDAY  
MORNING.  
 

 
 
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