062  
FZUS61 KBUF 041403  
GLFLO  
 
OPEN LAKE FORECAST FOR LAKE ONTARIO  
NATIONAL WEATHER SERVICE BUFFALO NY  
1003 AM EDT THU JUN 4 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 30.4 INCH HIGH WILL EXTEND FROM THE OHIO VALLEY TO  
THE EASTERN SEABOARD TODAY. THIS HIGH WILL DRIFT OFF THE SOUTHEAST  
COAST FRIDAY. A WEAK COLD FRONT WILL SETTLE SOUTH ACROSS THE LOWER  
GREAT LAKES SATURDAY THROUGH SATURDAY NIGHT. ANOTHER 30.4 INCH HIGH  
WILL BUILD SOUTHEAST INTO THE REGION MONDAY AND CENTER NEAR OR JUST  
EAST OF THE LAKE THROUGH WEDNESDAY.  
 
LOZ062-042100-  
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-  
1003 AM EDT THU JUN 4 2026  
   
THIS AFTERNOON  
SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 FEET OR  
LESS.    
TONIGHT  
SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 2 FEET.    
FRIDAY  
SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS. WAVES 1 TO 3 FEET.    
FRIDAY NIGHT  
SOUTHWEST WINDS 15 TO 20 KNOTS. SHOWERS LIKELY  
OVERNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.    
SATURDAY  
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST  
5 TO 15 KNOTS. SHOWERS WITH A CHANCE OF THUNDERSTORMS. WAVES 2 TO  
4 FEET SUBSIDING TO 1 TO 3 FEET.    
SUNDAY  
NORTHWEST WINDS 5 TO 10 KNOTS BECOMING EAST. WAVES  
1 FOOT OR LESS.    
MONDAY  
EAST WINDS 5 TO 15 KNOTS. WAVES 1 TO 2 FEET.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
LOZ063>065-042100-  
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE  
RIVER-  
1003 AM EDT THU JUN 4 2026  
   
THIS AFTERNOON  
SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST.  
WAVES 2 FEET OR LESS.    
TONIGHT  
SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES 2 FEET OR LESS.    
FRIDAY  
SOUTHWEST WINDS 5 TO 10 KNOTS. WAVES 1 FOOT OR LESS.    
FRIDAY NIGHT  
SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH. A  
CHANCE OF SHOWERS OVERNIGHT. WAVES 2 FEET OR LESS.    
SATURDAY  
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST 10 TO  
15 KNOTS. SHOWERS WITH A CHANCE OF THUNDERSTORMS. WAVES 2 TO  
4 FEET SUBSIDING TO 1 TO 3 FEET.    
SUNDAY  
NORTHWEST WINDS 5 TO 10 KNOTS BECOMING NORTHEAST. A  
CHANCE OF SHOWERS DURING THE DAY. WAVES 2 FEET OR LESS.    
MONDAY  
EAST WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST. WAVES  
2 FEET OR LESS.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
LOZ061-042100-  
MAFOR 0415/  
ONTARIO WEST 1/2 12610 13510 13500. WAVES 2 FEET OR LESS.  
 
ONTARIO EAST 1/2 11510 11700 11410 12510 13500. WAVES 2 FEET OR  
LESS.  
 
 
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