337  
FZUS61 KBUF 032002  
GLFLO  
 
OPEN LAKE FORECAST FOR LAKE ONTARIO  
NATIONAL WEATHER SERVICE BUFFALO NY  
402 PM EDT THU SEP 3 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 SECONDARY COLD FRONT NEAR LAKE ONTARIO WILL SLOWLY PUSH SOUTHWARD  
TONIGHT. FOLLOWING THE FRONTAL PASSAGE, A 30.1 INCH HIGH WILL  
GRADUALLY SETTLE SOUTHWARD FROM NORTHERN ONTARIO FRIDAY THROUGH  
MONDAY. ANOTHER COLD FRONT WILL THEN CROSS THE LAKE MONDAY NIGHT,  
WITH ANOTHER 30.1 INCH HIGH THEN FORECAST TO BUILD SOUTH FROM NEAR  
JAMES BAY ON TUESDAY.  
 
LOZ062-040300-  
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-  
402 PM EDT THU SEP 3 2026  
   
TONIGHT
 
WEST WINDS LESS THAN 10 KNOTS BECOMING NORTHWEST.  
WAVES 1 FOOT OR LESS.    
FRIDAY
 
NORTHWEST WINDS 10 KNOTS OR LESS BECOMING WEST. WAVES  
1 FOOT OR LESS.    
FRIDAY NIGHT
 
WEST WINDS 5 TO 10 KNOTS BECOMING NORTH. WAVES  
1 FOOT OR LESS.    
SATURDAY
 
NORTH WINDS 10 KNOTS OR LESS. WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT
 
NORTH WINDS 10 KNOTS OR LESS BECOMING  
NORTHEAST. WAVES 2 FEET OR LESS.    
SUNDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING LIGHT AND  
VARIABLE. WAVES 2 FEET OR LESS.    
MONDAY
 
LIGHT AND VARIABLE WINDS. WAVES 1 FOOT OR LESS.    
TUESDAY
 
NORTHEAST WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST  
10 TO 15 KNOTS. A CHANCE OF SHOWERS TUESDAY NIGHT. WAVES 2 FEET  
OR LESS.  
 

 
 
LOZ063>065-040300-  
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE  
RIVER-  
402 PM EDT THU SEP 3 2026  
   
TONIGHT
 
SOUTHWEST WINDS 10 KNOTS OR LESS BECOMING NORTHWEST.  
WAVES 2 FEET OR LESS.    
FRIDAY
 
NORTHWEST WINDS 10 KNOTS OR LESS BECOMING WEST. WAVES  
1 FOOT OR LESS.    
FRIDAY NIGHT
 
WEST WINDS 5 TO 10 KNOTS BECOMING NORTH. WAVES  
2 FEET OR LESS.    
SATURDAY
 
NORTH WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.    
SATURDAY NIGHT
 
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST.  
WAVES 2 FEET OR LESS.    
SUNDAY
 
NORTHEAST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN  
10 KNOTS. WAVES 1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS.    
MONDAY
 
WEST WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST. WAVES  
1 FOOT OR LESS.    
TUESDAY
 
NORTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST.  
WAVES 1 FOOT OR LESS.  
 

 
 
LOZ061-040300-  
MAFOR 0321/  
ONTARIO WEST 1/2 12600 14700 12600. WAVES 1 FOOT OR LESS.  
 
ONTARIO EAST 1/2 13600 14700 11600. WAVES 2 FEET OR LESS.  
 

 
 
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