095  
FZUS61 KBUF 190902  
GLFLO  
 
OPEN LAKE FORECAST FOR LAKE ONTARIO  
NATIONAL WEATHER SERVICE BUFFALO NY  
402 AM EST WED NOV 19 2025  
 
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 30.3 INCH HIGH CENTERED OVER THE CENTRAL GREAT LAKES  
WILL BUILD OVER THE LOWER GREAT LAKES WEDNESDAY, THEN INTO NEW  
ENGLAND THURSDAY. A 29.5 INCH SURFACE LOW ALONG THE SOUTHERN  
SHORELINE OF HUDSON BAY WILL SWING A COLD FRONT EAST ACROSS THE  
LOWER GREAT LAKES FRIDAY, FOLLOWED BY A 30.1 INCH HIGH BUILDING OVER  
THE OHIO VALLEY AND LOWER GREAT LAKES SATURDAY. A 29.5 INCH LOW WILL  
THEN MOVE ACROSS NORTHERN ONTARIO INTO LOWER HUDSON BAY ON SUNDAY,  
WHILE SENDING AN ATTENDANT WARM FRONT ACROSS THE LAKE SATURDAY NIGHT.  
 
LOZ062-191600-  
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-  
402 AM EST WED NOV 19 2025  
   
TODAY
 
NORTHEAST WINDS 5 TO 10 KNOTS BECOMING LIGHT AND  
VARIABLE. WAVES 1 FOOT OR LESS.    
TONIGHT
 
LIGHT AND VARIABLE WINDS. WAVES 1 FOOT OR LESS.    
THURSDAY
 
SOUTHEAST WINDS LESS THAN 10 KNOTS. WAVES 1 FOOT OR  
LESS.    
THURSDAY NIGHT
 
SOUTH WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST  
10 TO 15 KNOTS. A CHANCE OF SHOWERS OVERNIGHT. WAVES 2 FEET OR  
LESS.    
FRIDAY
 
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 5 TO  
15 KNOTS. A CHANCE OF SHOWERS DURING THE DAY. WAVES 1 TO 3 FEET.    
SATURDAY
 
NORTH WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST. WAVES  
1 TO 2 FEET.    
SUNDAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST. WAVES  
1 TO 3 FEET.  
 

 
 
LOZ063-191600-  
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO SODUS BAY-  
402 AM EST WED NOV 19 2025  
   
TODAY
 
NORTH WINDS 10 KNOTS OR LESS BECOMING NORTHWEST. WAVES  
1 FOOT OR LESS.    
TONIGHT
 
LIGHT AND VARIABLE WINDS. WAVES 1 FOOT OR LESS.    
THURSDAY
 
SOUTH WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST.  
WAVES 1 FOOT OR LESS.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING  
SOUTHWEST. A CHANCE OF SHOWERS OVERNIGHT. WAVES 1 TO 3 FEET.    
FRIDAY
 
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 10 TO  
15 KNOTS. A CHANCE OF SHOWERS DURING THE DAY. WAVES 2 TO 4 FEET.    
SATURDAY
 
NORTH WINDS 5 TO 10 KNOTS BECOMING SOUTH. WAVES 1 TO  
2 FEET.    
SUNDAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST. WAVES  
1 TO 3 FEET.  
 

 
 
LOZ064-065-191600-  
LAKE ONTARIO OPEN WATERS FROM SODUS BAY TO THE SAINT LAWRENCE  
RIVER-  
402 AM EST WED NOV 19 2025  
   
TODAY
 
NORTH WINDS 10 KNOTS OR LESS BECOMING NORTHWEST. WAVES  
1 FOOT OR LESS.    
TONIGHT
 
LIGHT AND VARIABLE WINDS. WAVES 1 FOOT OR LESS.    
THURSDAY
 
SOUTH WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST.  
WAVES 1 FOOT OR LESS.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH  
15 TO 20 KNOTS. A CHANCE OF RAIN SHOWERS OVERNIGHT. WAVES 1 TO  
3 FEET.    
FRIDAY
 
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 10 TO  
15 KNOTS. RAIN SHOWERS LIKELY DURING THE DAY, THEN A CHANCE OF  
RAIN SHOWERS FRIDAY NIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO  
3 FEET.    
SATURDAY
 
NORTH WINDS 5 TO 10 KNOTS BECOMING SOUTH. WAVES  
2 FEET OR LESS.    
SUNDAY
 
SOUTH WINDS 5 TO 15 KNOTS BECOMING WEST. A CHANCE OF  
RAIN SHOWERS SUNDAY NIGHT. WAVES 1 TO 3 FEET.  
 

 
 
LOZ061-191600-  
MAFOR 1910/  
ONTARIO WEST 1/2 12100 11800 11700 11800 11700 12400. WAVES 1  
FOOT OR LESS.  
 
ONTARIO EAST 1/2 13800 13700 11500 11400. WAVES 1 FOOT OR LESS.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab NY Page Main Text Page