241  
FZUS61 KBUF 242010  
GLFLO  
 
OPEN LAKE FORECAST FOR LAKE ONTARIO  
NATIONAL WEATHER SERVICE BUFFALO NY  
410 PM EDT WED APR 24 2024  
 
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 LARGE 30.4 INCH CANADIAN HIGH WILL SETTLE OVER THE  
UPPER GREAT LAKES TONIGHT, THEN SLOWLY WORK ACROSS LAKE ONTARIO  
THURSDAY. THE HIGH WILL CROSS NEW ENGLAND ON FRIDAY. A WARM FRONT  
WILL LIFT NORTHEAST ACROSS THE LAKE LATE FRIDAY NIGHT AND  
SATURDAY.  
 
LOZ062-250315-  
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-  
410 PM EDT WED APR 24 2024  
   
TONIGHT
 
NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHEAST. WAVES  
1 TO 2 FEET.    
THURSDAY
 
EAST WINDS 5 TO 15 KNOTS. WAVES 2 FEET OR LESS.    
THURSDAY NIGHT
 
EAST WINDS 10 KNOTS OR LESS. WAVES 1 FOOT OR  
LESS.    
FRIDAY
 
EAST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS.  
WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET.    
FRIDAY NIGHT
 
EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST  
10 TO 15 KNOTS. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET.    
SATURDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST.  
SHOWERS DURING THE DAY, THEN A CHANCE OF SHOWERS SATURDAY NIGHT.  
WAVES 1 TO 3 FEET.    
SUNDAY
 
SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH. A CHANCE  
OF SHOWERS. WAVES 1 TO 3 FEET.    
MONDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST. A  
CHANCE OF SHOWERS. WAVES 2 FEET OR LESS.  
 

 
 
LOZ063>065-250315-  
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE  
RIVER-  
410 PM EDT WED APR 24 2024  
   
TONIGHT
 
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHEAST 10 TO  
15 KNOTS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.    
THURSDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS BECOMING NORTHWEST.  
WAVES 1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS.    
THURSDAY NIGHT
 
WEST WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST.  
WAVES 1 FOOT OR LESS.    
FRIDAY
 
SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST 15 TO  
20 KNOTS. WAVES 1 TO 3 FEET.    
FRIDAY NIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS BECOMING  
SOUTHEAST. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.    
SATURDAY
 
SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTH.  
SHOWERS LIKELY. WAVES 2 TO 4 FEET.    
SUNDAY
 
SOUTH WINDS 15 TO 20 KNOTS DIMINISHING TO 5 TO  
15 KNOTS. SHOWERS LIKELY DURING THE DAY, THEN A CHANCE OF SHOWERS  
SUNDAY NIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.    
MONDAY
 
SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH. A CHANCE  
OF SHOWERS. WAVES 2 FEET OR LESS.  
 

 
 
LOZ061-250315-  
MAFOR 2421/  
ONTARIO WEST 1/2 11700 11800 13110 13200. WAVES 1 TO 3 FEET  
TONIGHT. WAVES 2 FEET OR LESS THURSDAY.  
 
ONTARIO EAST 1/2 11820 11810 13110 11100 12800. WAVES 2 TO 4 FEET  
SUBSIDING TO 1 TO 3 FEET TONIGHT. WAVES 1 TO 3 FEET SUBSIDING TO  
1 FOOT OR LESS THURSDAY.  
 

 
 
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