167  
FZUS61 KBUF 212040  
GLFLO  
 
OPEN LAKE FORECAST FOR LAKE ONTARIO  
NATIONAL WEATHER SERVICE BUFFALO NY  
340 PM EST SAT DEC 21 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 30.7 INCH HIGH WILL BUILD ACROSS THE LOWER GREAT  
LAKES THROUGH SUNDAY. THIS HIGH WILL MOVE ACROSS NEW ENGLAND...AS  
A 29.8 INCH LOW WILL MOVE ACROSS THE CENTRAL GREAT LAKES MONDAY.  
THIS LOW WILL THEN MOVE ACROSS THE LOWER GREAT LAKES AND INTO NEW  
ENGLAND ON TUESDAY. A 30.47 INCH HIGH WILL TRACK JUST NORTH AND  
THEN NORTHEAST OF THE LAKE ON WEDNESDAY THROUGH THURSDAY.  
 
LOZ062-220415-  
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-  
340 PM EST SAT DEC 21 2024  
   
TONIGHT
 
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTH 5 TO  
15 KNOTS. SCATTERED FLURRIES AFTER MIDNIGHT. WAVES 2 TO 4 FEET  
SUBSIDING TO 1 TO 2 FEET.    
SUNDAY
 
NORTH WINDS 5 TO 10 KNOTS BECOMING LIGHT AND VARIABLE.  
SCATTERED FLURRIES EARLY. WAVES 2 FEET OR LESS.    
SUNDAY NIGHT
 
SOUTH WINDS 10 KNOTS OR LESS. WAVES 1 FOOT OR  
LESS.    
MONDAY
 
SOUTH WINDS 10 TO 15 KNOTS. A CHANCE OF SNOW IN THE  
MORNING, THEN A CHANCE OF SNOW AND RAIN IN THE AFTERNOON. WAVES  
1 TO 3 FEET.    
MONDAY NIGHT
 
SOUTH WINDS 15 TO 20 KNOTS BECOMING WEST. RAIN  
AND SNOW. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.    
TUESDAY
 
NORTHWEST WINDS 5 TO 15 KNOTS BECOMING EAST. A CHANCE  
OF RAIN SHOWERS DURING THE DAY. WAVES 1 TO 3 FEET.    
WEDNESDAY
 
EAST WINDS 5 TO 10 KNOTS. WAVES AROUND 1 FOOT.    
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS. WAVES 1 TO 2 FEET.  
 

 
 
LOZ063>065-220415-  
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE  
RIVER-  
340 PM EST SAT DEC 21 2024  
   
TONIGHT
 
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTH 5 TO  
15 KNOTS. SCATTERED SNOW SHOWERS THIS EVENING, THEN SCATTERED  
FLURRIES AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO  
3 FEET.    
SUNDAY
 
NORTH WINDS 5 TO 10 KNOTS BECOMING LIGHT AND VARIABLE.  
SCATTERED LAKE EFFECT SNOW SHOWERS EARLY, THEN SCATTERED  
FLURRIES. WAVES 2 FEET OR LESS.    
SUNDAY NIGHT
 
WEST WINDS 10 KNOTS OR LESS BECOMING SOUTH 10 TO  
15 KNOTS. WAVES 2 FEET OR LESS.    
MONDAY
 
SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS. A CHANCE OF SNOW IN THE AFTERNOON. WAVES 1 TO 3 FEET  
BUILDING TO 2 TO 4 FEET.    
MONDAY NIGHT
 
SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST.  
SNOW IN THE EVENING, THEN SNOW AND RAIN OVERNIGHT. WAVES 3 TO  
6 FEET.    
TUESDAY
 
WEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST. SNOW  
SHOWERS WITH RAIN SHOWERS LIKELY DURING THE DAY, THEN A CHANCE OF  
SNOW SHOWERS TUESDAY NIGHT. WAVES 1 TO 3 FEET.    
WEDNESDAY
 
EAST WINDS 5 TO 10 KNOTS. WAVES 1 FOOT OR LESS.    
THURSDAY
 
EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST. WAVES  
2 FEET OR LESS.  
 

 
 
LOZ061-220415-  
MAFOR 2122/  
ONTARIO WEST 1/2 11720 11710 11810 13800 11700 11600. WAVES 2 TO  
4 FEET SUBSIDING TO 1 TO 2 FEET TONIGHT. WAVES 2 FEET OR LESS  
SUNDAY.  
 
ONTARIO EAST 1/2 11720 12810 14800 11800. A CHANCE OF SNOW  
SHOWERS EARLY THIS EVENING. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3  
FEET TONIGHT. WAVES 2 FEET OR LESS SUNDAY.  
 

 
 
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