574  
FZUS61 KBUF 280217  
GLFLO  
 
OPEN LAKE FORECAST FOR LAKE ONTARIO  
NATIONAL WEATHER SERVICE BUFFALO NY  
917 PM EST MON JAN 27 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 POWERFUL 28.6 INCH STORM ACROSS NORTHERN QUEBEC WILL  
PUSH ITS ASSOCIATED ARCTIC COLD FRONT ACROSS THE LAKE OVERNIGHT.  
THIS WILL BE FOLLOWED BY A 29.8 INCH HIGH THAT WILL CROSS THE  
WATERS EARLY TUESDAY. A 29.3 INCH LOW WILL DROP SOUTHEAST ACROSS  
THE GREAT LAKES REGION TUESDAY NIGHT BEFORE EXITING ACROSS  
SOUTHERN NEW ENGLAND ON WEDNESDAY. A LARGE 30.2 INCH HIGH CENTERED  
OVER THE NATIONS MID SECTION ON WEDNESDAY WILL CROSS THE GREAT  
LAKES AND OHIO VALLEY WEDNESDAY NIGHT THEN WILL MAKE ITS WAY  
ACROSS THE SOUTHERN APPALACHIANS ON THURSDAY. A 29.5 INCH LOW WILL  
DEVELOP NEAR INDIANA FRIDAY AND TRACK EASTWARD INTO THE ATLANTIC  
ON SATURDAY.  
 
LOZ062-281015-  
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-  
917 PM EST MON JAN 27 2025  
   
..GALE WARNING IN EFFECT UNTIL 6 AM EST TUESDAY  
 
   
REST OF TONIGHT  
SOUTHWEST GALES TO 45 KNOTS BECOMING NORTHWEST  
AND DIMINISHING TO 30 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY  
LATE THIS EVENING, THEN SNOW AFTER MIDNIGHT. SNOW SHOWERS LIKELY  
LATE. WAVES 15 TO 20 FEET SUBSIDING TO 11 TO 15 FEET. WAVES  
OCCASIONALLY AROUND 26 FEET.    
TUESDAY  
NORTHWEST WINDS TO 30 KNOTS BECOMING WEST AND  
DIMINISHING TO 15 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS LATE.  
WAVES 9 TO 12 FEET SUBSIDING TO 3 TO 6 FEET. WAVES OCCASIONALLY  
AROUND 15 FEET.    
TUESDAY NIGHT  
SOUTHWEST WINDS 15 TO 25 KNOTS. SNOW. WAVES 2 TO  
4 FEET BUILDING TO 5 TO 8 FEET. WAVES OCCASIONALLY AROUND  
10 FEET.    
WEDNESDAY  
WEST WINDS TO 30 KNOTS BECOMING NORTHWEST. A CHANCE  
OF SNOW AND RAIN SHOWERS IN THE MORNING, THEN A CHANCE OF SNOW  
SHOWERS IN THE AFTERNOON. WAVES 5 TO 9 FEET BUILDING TO 7 TO  
10 FEET. WAVES OCCASIONALLY AROUND 13 FEET.    
WEDNESDAY NIGHT  
NORTHWEST WINDS TO 30 KNOTS DIMINISHING TO  
15 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES 6 TO 10 FEET  
SUBSIDING TO 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 13 FEET.    
THURSDAY  
WEST WINDS 15 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS  
DURING THE DAY. WAVES 3 TO 5 FEET.    
FRIDAY  
WEST WINDS 15 TO 20 KNOTS BECOMING NORTH 10 TO  
15 KNOTS. A CHANCE OF RAIN AND SNOW SHOWERS DURING THE DAY. WAVES  
2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.    
SATURDAY  
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST. WAVES  
1 TO 2 FEET.  
 
 
 
LOZ063>065-281015-  
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE  
RIVER-  
917 PM EST MON JAN 27 2025  
   
..GALE WARNING IN EFFECT UNTIL 6 AM EST TUESDAY  
 
   
REST OF TONIGHT  
SOUTHWEST GALES TO 45 KNOTS BECOMING WEST AND  
DIMINISHING TO 30 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY LATE  
THIS EVENING, THEN SNOW AFTER MIDNIGHT. WAVES 17 TO 22 FEET  
SUBSIDING TO 15 TO 20 FEET. WAVES OCCASIONALLY AROUND 28 FEET.    
TUESDAY  
NORTHWEST WINDS TO 30 KNOTS BECOMING WEST 15 TO  
25 KNOTS. A CHANCE OF SNOW SHOWERS EARLY. A CHANCE OF SNOW  
SHOWERS LATE. WAVES 12 TO 16 FEET SUBSIDING TO 4 TO 7 FEET. WAVES  
OCCASIONALLY AROUND 20 FEET.    
TUESDAY NIGHT  
SOUTHWEST WINDS 15 TO 25 KNOTS. SNOW. WAVES 3 TO  
5 FEET BUILDING TO 3 TO 6 FEET.    
WEDNESDAY  
WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST TO  
30 KNOTS. SNOW IN THE MORNING, THEN SNOW SHOWERS LIKELY IN THE  
AFTERNOON. WAVES 5 TO 9 FEET BUILDING TO 7 TO 11 FEET. WAVES  
OCCASIONALLY AROUND 14 FEET.    
WEDNESDAY NIGHT  
NORTHWEST WINDS TO 30 KNOTS DIMINISHING TO  
15 TO 25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES 8 TO 11 FEET  
SUBSIDING TO 4 TO 7 FEET. WAVES OCCASIONALLY AROUND 14 FEET.    
THURSDAY  
WEST WINDS 15 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS  
DURING THE DAY. WAVES 3 TO 6 FEET SUBSIDING TO 3 TO 5 FEET.    
FRIDAY  
WEST WINDS 15 TO 20 KNOTS BECOMING NORTH 10 TO  
15 KNOTS. A CHANCE OF RAIN AND SNOW SHOWERS DURING THE DAY. WAVES  
3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.    
SATURDAY  
NORTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST. WAVES  
2 FEET OR LESS.  
 
 
 
LOZ061-281015-  
MAFOR 2804/  
ONTARIO WEST 1/2...GALE WARNING IN EFFECT...11667 11657 12740  
11630 11620 11527 11417. WAVES 16 TO 21 FEET SUBSIDING TO 13 TO  
17 FEET, AND OCCASIONALLY AROUND 27 FEET OVERNIGHT. WAVES 10 TO  
13 FEET SUBSIDING TO 3 TO 5 FEET, AND OCCASIONALLY AROUND 16 FEET  
TUESDAY. WAVES 2 TO 4 FEET TUESDAY EVENING.  
 
ONTARIO EAST 1/2...GALE WARNING IN EFFECT...11667 11657 12740  
11730 11620 11627 11517. A CHANCE OF SNOW SHOWERS TUESDAY  
AFTERNOON. WAVES 17 TO 22 FEET SUBSIDING TO 15 TO 20 FEET, AND  
OCCASIONALLY AROUND 28 FEET OVERNIGHT. WAVES 12 TO 16 FEET  
SUBSIDING TO 4 TO 7 FEET, AND OCCASIONALLY AROUND 20 FEET  
TUESDAY. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET TUESDAY  
EVENING.  
 
 
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