771  
FZUS51 KBUF 210804  
NSHBUF  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE BUFFALO NY  
404 AM EDT THU MAY 21 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE  
 
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.  
 
LEZ020-LOZ030-211500-  
UPPER NIAGARA RIVER AND BUFFALO HARBOR-LOWER NIAGARA RIVER-  
404 AM EDT THU MAY 21 2026  
   
TODAY  
NORTHEAST WINDS 5 TO 10 KNOTS. BECOMING MOSTLY SUNNY.    
TONIGHT  
NORTHEAST WINDS 10 KNOTS OR LESS BECOMING EAST. MAINLY  
CLEAR.    
FRIDAY  
EAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST. PARTLY TO  
MOSTLY SUNNY.    
FRIDAY NIGHT  
EAST WINDS 5 TO 15 KNOTS. SHOWERS LIKELY  
OVERNIGHT.    
SATURDAY  
EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST. SHOWERS.   
SUNDAY  
SOUTH WINDS 5 TO 10 KNOTS BECOMING LIGHT AND VARIABLE.  
A CHANCE OF SHOWERS.    
MONDAY  
LIGHT AND VARIABLE WINDS. A CHANCE OF SHOWERS DURING  
THE DAY.  
 
THE WATER TEMPERATURE OFF BUFFALO IS 55 DEGREES.  
 
 
 
LEZ040-041-211500-  
BUFFALO TO RIPLEY ALONG LAKE ERIE-  
404 AM EDT THU MAY 21 2026  
   
TODAY  
NORTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS. MOSTLY CLOUDY THIS MORNING, THEN BECOMING MOSTLY SUNNY.  
WAVES 1 TO 3 FEET.    
TONIGHT  
NORTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST. MAINLY  
CLEAR IN THE EVENING, THEN BECOMING PARTLY CLOUDY. WAVES 1 TO  
3 FEET SUBSIDING TO 1 FOOT OR LESS.    
FRIDAY  
EAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST. PARTLY TO  
MOSTLY SUNNY. WAVES 2 FEET OR LESS.    
FRIDAY NIGHT  
EAST WINDS 5 TO 15 KNOTS. SHOWERS OVERNIGHT.  
WAVES 2 FEET OR LESS.    
SATURDAY  
SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING SOUTH.  
SHOWERS. WAVES 1 TO 3 FEET.    
SUNDAY  
SOUTH WINDS 10 TO 15 KNOTS BECOMING LIGHT AND VARIABLE.  
A CHANCE OF SHOWERS DURING THE DAY, THEN SHOWERS LIKELY SUNDAY  
NIGHT. WAVES 2 FEET OR LESS.    
MONDAY  
SOUTHWEST WINDS LESS THAN 10 KNOTS. SHOWERS LIKELY  
DURING THE DAY. WAVES 1 FOOT OR LESS.  
 
 
 
LOZ042-211500-  
NIAGARA RIVER TO HAMLIN BEACH ALONG LAKE ONTARIO-  
404 AM EDT THU MAY 21 2026  
   
TODAY  
NORTHEAST WINDS 15 TO 20 KNOTS BECOMING EAST 5 TO  
15 KNOTS. MOSTLY SUNNY. WAVES 1 TO 3 FEET.    
TONIGHT  
EAST WINDS 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES  
1 FOOT OR LESS.    
FRIDAY  
EAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS.  
PARTLY TO MOSTLY SUNNY. WAVES 1 TO 3 FEET BUILDING TO 2 TO  
4 FEET.    
FRIDAY NIGHT  
EAST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS. A CHANCE OF SHOWERS OVERNIGHT. WAVES 2 TO 4 FEET  
SUBSIDING TO 1 TO 3 FEET.    
SATURDAY  
EAST WINDS 15 TO 25 KNOTS BECOMING SOUTHEAST.  
SHOWERS. WAVES 2 TO 4 FEET BUILDING TO 3 TO 5 FEET. WAVES  
OCCASIONALLY AROUND 6 FEET.    
SUNDAY  
SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST LESS  
THAN 10 KNOTS. SHOWERS LIKELY DURING THE DAY, THEN A CHANCE OF  
SHOWERS SUNDAY NIGHT. WAVES 1 TO 3 FEET SUBSIDING TO 1 FOOT OR  
LESS.    
MONDAY  
NORTHWEST WINDS LESS THAN 10 KNOTS. A CHANCE OF SHOWERS  
DURING THE DAY. WAVES 1 FOOT OR LESS.  
 
 
 
LOZ043-044-211500-  
HAMLIN BEACH TO MEXICO BAY ALONG LAKE ONTARIO  
INCLUDING IRONDEQUOIT BAY-  
404 AM EDT THU MAY 21 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING  
 
   
TODAY  
NORTHEAST WINDS 15 TO 20 KNOTS DIMINISHING TO 5 TO  
15 KNOTS. BECOMING MOSTLY SUNNY. WAVES 3 TO 6 FEET SUBSIDING TO  
1 TO 3 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
TONIGHT  
NORTH WINDS 10 KNOTS OR LESS BECOMING EAST. MAINLY  
CLEAR. WAVES 1 FOOT OR LESS.    
FRIDAY  
EAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST. PARTLY TO  
MOSTLY SUNNY. WAVES 2 FEET OR LESS.    
FRIDAY NIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST. A  
CHANCE OF SHOWERS OVERNIGHT. WAVES 1 TO 3 FEET.    
SATURDAY  
SOUTHEAST WINDS 15 TO 25 KNOTS. SHOWERS. WAVES 1 TO  
3 FEET BUILDING TO 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 6 FEET.   
SUNDAY  
SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING SOUTH AND  
DIMINISHING TO 10 TO 15 KNOTS. SHOWERS. WAVES 2 TO 4 FEET  
SUBSIDING TO 1 TO 3 FEET.    
MONDAY  
SOUTH WINDS 5 TO 10 KNOTS BECOMING LIGHT AND VARIABLE.  
SHOWERS LIKELY DURING THE DAY. WAVES 1 FOOT OR LESS.  
 
THE WATER TEMPERATURE OFF ROCHESTER IS 53 DEGREES.  
 
 
 
LOZ045-211500-  
MEXICO BAY TO THE SAINT LAWRENCE RIVER ALONG LAKE ONTARIO-  
404 AM EDT THU MAY 21 2026  
   
TODAY  
NORTHEAST WINDS 15 TO 20 KNOTS BECOMING NORTH 5 TO  
15 KNOTS. MOSTLY SUNNY. WAVES 1 TO 3 FEET SUBSIDING TO 1 FOOT OR  
LESS.    
TONIGHT  
NORTH WINDS 5 TO 10 KNOTS BECOMING NORTHEAST. MAINLY  
CLEAR. WAVES 1 FOOT OR LESS.    
FRIDAY  
EAST WINDS 5 TO 10 KNOTS BECOMING NORTH. MOSTLY SUNNY.  
WAVES 1 FOOT OR LESS.    
FRIDAY NIGHT  
NORTHEAST WINDS 5 TO 10 KNOTS BECOMING EAST.  
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.    
SATURDAY  
EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST AND  
INCREASING TO 30 KNOTS. SHOWERS. WAVES 1 TO 3 FEET BUILDING TO  
3 TO 5 FEET. WAVES OCCASIONALLY AROUND 6 FEET.    
SUNDAY  
SOUTHEAST WINDS TO 30 KNOTS BECOMING SOUTH AND  
DIMINISHING TO 15 TO 20 KNOTS. SHOWERS. WAVES 3 TO 5 FEET  
SUBSIDING TO 1 TO 3 FEET. WAVES OCCASIONALLY AROUND 6 FEET.    
MONDAY  
SOUTH WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST.  
SHOWERS LIKELY DURING THE DAY. WAVES 2 FEET OR LESS.  
 
 
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