150  
FZUS61 KBUF 062102  
GLFLO  
 
OPEN LAKE FORECAST FOR LAKE ONTARIO  
NATIONAL WEATHER SERVICE BUFFALO NY  
402 PM EST FRI MAR 6 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 WARM FRONT WILL LIFT NORTH ACROSS THE LOWER GREAT  
LAKES TODAY. A 29.6 INCH LOW WILL LIFT ACROSS THE UPPER GREAT LAKES  
SATURDAY, WITH ITS TRAILING COLD FRONT CROSSING THE LAKE SATURDAY  
NIGHT. A LARGE 30.1 INCH HIGH WILL THEN MOVE FROM THE LOWER OHIO  
VALLEY TO THE MID ATLANTIC REGION SUNDAY AND MONDAY WHILE RIDGING  
NORTH ACROSS THE LAKE. A 28.9 INCH LOW MAY MOVE ACROSS JAMES BAY  
MONDAY WHILE PRESSURE AVERAGES 29.9 INCHES ACROSS THE LAKE TUESDAY.  
 
LOZ062-063-070400-  
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO SODUS BAY-  
402 PM EST FRI MAR 6 2026  
   
TONIGHT  
EAST WINDS 10 TO 15 KNOTS BECOMING SOUTH AND  
INCREASING TO 15 TO 25 KNOTS. A CHANCE OF RAIN SHOWERS LATE THIS  
EVENING. RAIN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS AFTER  
MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 3 TO 6 FEET.    
SATURDAY  
SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST TO  
30 KNOTS. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS EARLY,  
THEN A CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE MORNING.  
SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES  
3 TO 6 FEET BUILDING TO 4 TO 7 FEET. WAVES OCCASIONALLY AROUND  
9 FEET.    
SATURDAY NIGHT  
SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST.  
RAIN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE  
EVENING, THEN RAIN SHOWERS LIKELY OVERNIGHT. WAVES 4 TO 7 FEET  
SUBSIDING TO 3 TO 6 FEET. WAVES OCCASIONALLY AROUND 9 FEET.    
SUNDAY  
WEST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST. WAVES  
3 TO 6 FEET.    
SUNDAY NIGHT  
SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES 3 TO  
6 FEET.    
MONDAY  
SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST AND  
DIMINISHING TO 10 TO 15 KNOTS. WAVES 3 TO 6 FEET SUBSIDING TO  
2 TO 4 FEET.    
TUESDAY  
NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHEAST AND  
INCREASING TO 15 TO 25 KNOTS. A CHANCE OF RAIN SHOWERS DURING THE  
DAY, THEN RAIN SHOWERS TUESDAY NIGHT. WAVES 1 TO 3 FEET BUILDING  
TO 4 TO 7 FEET. WAVES OCCASIONALLY AROUND 9 FEET.    
WEDNESDAY  
NORTHEAST WINDS TO 30 KNOTS BECOMING NORTH. RAIN  
SHOWERS DURING THE DAY, THEN RAIN SHOWERS LIKELY WITH A CHANCE OF  
SNOW SHOWERS WEDNESDAY NIGHT. WAVES 5 TO 8 FEET. WAVES  
OCCASIONALLY AROUND 10 FEET.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
LOZ064-065-070400-  
LAKE ONTARIO OPEN WATERS FROM SODUS BAY TO THE SAINT LAWRENCE  
RIVER-  
402 PM EST FRI MAR 6 2026  
   
TONIGHT  
SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING SOUTH TO  
30 KNOTS. RAIN SHOWERS LIKELY AFTER MIDNIGHT. RAIN SHOWERS LIKELY  
WITH A CHANCE OF THUNDERSTORMS LATE. WAVES 1 TO 3 FEET BUILDING  
TO 4 TO 7 FEET. WAVES OCCASIONALLY AROUND 9 FEET.    
SATURDAY  
SOUTH WINDS 15 TO 25 KNOTS. SHOWERS WITH A CHANCE OF  
THUNDERSTORMS. WAVES 4 TO 7 FEET SUBSIDING TO 3 TO 6 FEET. WAVES  
OCCASIONALLY AROUND 9 FEET.    
SATURDAY NIGHT  
SOUTH WINDS 15 TO 20 KNOTS BECOMING WEST. RAIN  
SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE EVENING, THEN RAIN  
SHOWERS OVERNIGHT. WAVES 3 TO 6 FEET.    
SUNDAY  
WEST WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST. A CHANCE  
OF RAIN SHOWERS IN THE MORNING. WAVES 3 TO 6 FEET SUBSIDING TO  
2 TO 4 FEET.    
SUNDAY NIGHT  
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING SOUTH  
10 TO 15 KNOTS. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET.    
MONDAY  
SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST 10 TO  
15 KNOTS. WAVES 2 TO 4 FEET.    
TUESDAY  
NORTHWEST WINDS 5 TO 10 KNOTS BECOMING NORTHEAST AND  
INCREASING TO 15 TO 25 KNOTS. A CHANCE OF RAIN SHOWERS DURING THE  
DAY, THEN RAIN SHOWERS TUESDAY NIGHT. WAVES 1 TO 3 FEET BUILDING  
TO 3 TO 5 FEET.    
WEDNESDAY  
NORTHEAST WINDS TO 30 KNOTS BECOMING NORTH. RAIN  
SHOWERS DURING THE DAY, THEN RAIN AND SNOW SHOWERS LIKELY  
WEDNESDAY NIGHT. WAVES 3 TO 6 FEET BUILDING TO 5 TO 8 FEET. WAVES  
OCCASIONALLY AROUND 10 FEET.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
LOZ061-070400-  
MAFOR 0622/  
ONTARIO WEST 1/2 11200 11210 11420 12526 11520 12536. A CHANCE OF  
THUNDERSTORMS OVERNIGHT AND SATURDAY. WAVES 1 TO 3 FEET BUILDING  
TO 2 TO 4 FEET TONIGHT. WAVES 2 TO 4 FEET BUILDING TO 4 TO 7  
FEET, AND OCCASIONALLY AROUND 9 FEET SATURDAY.  
 
ONTARIO EAST 1/2 11310 11320 11330 11446 11436 12430 11436. A  
CHANCE OF THUNDERSTORMS OVERNIGHT AND SATURDAY. WAVES 1 TO 3 FEET  
BUILDING TO 4 TO 7 FEET, AND OCCASIONALLY AROUND 9 FEET TONIGHT.  
WAVES 4 TO 7 FEET SUBSIDING TO 3 TO 6 FEET, AND OCCASIONALLY  
AROUND 9 FEET SATURDAY.  
 
 
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