FZUS51 KBUF 231411 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 1011 AM EDT Thu Apr 23 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. LEZ020-232100- Upper Niagara River and Buffalo Harbor- 1011 AM EDT Thu Apr 23 2026 .THIS AFTERNOON...East winds 10 knots or less becoming northeast. Sunny. .TONIGHT...Northeast winds 10 knots or less becoming east. Partly cloudy. .FRIDAY...East winds 5 to 10 knots becoming northeast. Partly to mostly sunny. .FRIDAY NIGHT...Northeast winds 5 to 10 knots becoming east. A chance of showers in the evening, then showers likely overnight. .SATURDAY...East winds 10 knots or less becoming north. Showers likely during the day, then a chance of showers Saturday night. .SUNDAY...Northeast winds less than 10 knots. Mostly cloudy, then clearing. .MONDAY...East winds 10 knots or less becoming southeast 10 to 15 knots. Showers likely Monday night. The water temperature off Buffalo is 47 degrees. $$ LOZ030-232100- Lower Niagara River- 1011 AM EDT Thu Apr 23 2026 .THIS AFTERNOON...Northeast winds 10 knots or less becoming north. Sunny. .TONIGHT...Northeast winds 10 knots or less becoming east. Partly cloudy. .FRIDAY...East winds 5 to 10 knots becoming northeast. Partly sunny. .FRIDAY NIGHT...East winds around 10 knots. A chance of showers in the evening, then showers likely overnight. .SATURDAY...East winds 10 knots or less becoming northeast. Showers likely during the day, then a chance of showers Saturday night. .SUNDAY...North winds less than 10 knots. Partly cloudy. .MONDAY...East winds 10 knots or less becoming southeast 10 to 15 knots. Showers likely Monday night. $$ LEZ040-041-232100- Buffalo to Ripley along Lake Erie- 1011 AM EDT Thu Apr 23 2026 .THIS AFTERNOON...Northeast winds 5 to 10 knots. Sunny. Waves 1 foot or less. .TONIGHT...Northeast winds 10 knots or less becoming east. Mainly clear in the evening, then becoming partly cloudy. Waves 1 foot or less. .FRIDAY...Northeast winds 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Northeast winds 5 to 10 knots becoming east. A chance of showers in the evening, then showers overnight. Waves 1 foot or less. .SATURDAY...Southeast winds 10 knots or less becoming north. Showers during the day, then a chance of showers Saturday night. Waves 1 foot or less. .SUNDAY...Northeast winds less than 10 knots becoming east. Mostly cloudy, then clearing. Waves 1 foot or less. .MONDAY...East winds 5 to 10 knots becoming southeast and increasing to 15 to 25 knots. Showers likely Monday night. Waves 1 to 3 feet. $$ LOZ042-232100- Niagara River to Hamlin Beach along Lake Ontario- 1011 AM EDT Thu Apr 23 2026 .THIS AFTERNOON...North winds 10 knots or less becoming northeast. Sunny. Waves 1 foot or less. .TONIGHT...Northeast winds 5 to 15 knots becoming east. Partly cloudy. Waves 2 feet or less. .FRIDAY...East winds 10 to 15 knots increasing to 15 to 20 knots. Mostly sunny. Waves 1 to 3 feet. .FRIDAY NIGHT...East winds 10 to 15 knots increasing to 15 to 20 knots. A chance of showers in the evening, then showers likely overnight. Waves 1 to 3 feet building to 2 to 4 feet. .SATURDAY...East winds 15 to 20 knots becoming northeast 5 to 15 knots. Showers likely during the day, then a chance of showers Saturday night. Waves 3 to 5 feet subsiding to 1 to 2 feet. Waves occasionally around 6 feet. .SUNDAY...Northeast winds 10 knots or less becoming east. Partly cloudy. Waves 2 feet or less. .MONDAY...East winds 5 to 15 knots becoming southeast 15 to 20 knots. A chance of showers Monday night. Waves 1 to 3 feet. $$ LOZ043-232100- Hamlin Beach to Sodus Bay along Lake Ontario including Irondequoit Bay- 1011 AM EDT Thu Apr 23 2026 .THIS AFTERNOON...West winds 10 knots or less becoming northeast. Mostly sunny. Waves 1 foot or less. .TONIGHT...East winds 10 knots or less becoming northeast. Partly cloudy. Waves 2 feet or less. .FRIDAY...Northeast winds 5 to 10 knots. Mostly sunny. Waves 1 to 2 feet. .FRIDAY NIGHT...East winds 5 to 15 knots. A chance of showers overnight. Waves 1 to 3 feet. .SATURDAY...East winds 15 to 20 knots diminishing to 5 to 15 knots. Showers likely. Waves 2 to 4 feet subsiding to 1 to 3 feet. .SUNDAY...North winds 5 to 10 knots becoming light and variable. Partly cloudy. Waves 1 foot or less. .MONDAY...East winds 5 to 15 knots becoming southeast 15 to 20 knots. A chance of showers Monday night. Waves 1 to 3 feet. The water temperature off Rochester is 43 degrees. $$ LOZ044-232100- Sodus Bay to Mexico Bay along Lake Ontario- 1011 AM EDT Thu Apr 23 2026 .THIS AFTERNOON...West winds 5 to 15 knots. Mostly sunny. Waves around 1 foot. .TONIGHT...West winds 10 knots or less becoming northeast. Mostly cloudy. Waves 1 foot or less. .FRIDAY...Northeast winds 5 to 10 knots becoming north. Mostly sunny. Waves 2 feet or less. .FRIDAY NIGHT...Northeast winds 5 to 15 knots becoming east. A chance of showers overnight. Waves 2 feet or less. .SATURDAY...East winds 5 to 15 knots. Showers likely. Waves 2 feet or less. .SUNDAY...North winds less than 10 knots. Partly cloudy. Waves 1 foot or less. .MONDAY...East winds 10 knots or less becoming southeast and increasing to 15 to 20 knots. A chance of showers Monday night. Waves 2 feet or less. $$ LOZ045-232100- Mexico Bay to the Saint Lawrence River along Lake Ontario- 1011 AM EDT Thu Apr 23 2026 .THIS AFTERNOON...North winds 5 to 15 knots becoming west. Sunny. Waves 1 foot or less. .TONIGHT...West winds 5 to 10 knots becoming northeast. Mostly cloudy. Waves 1 foot or less. .FRIDAY...Northeast winds 5 to 10 knots becoming north. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Northeast winds 10 knots or less becoming east. Partly cloudy. Waves 1 foot or less. .SATURDAY...East winds 5 to 15 knots diminishing to less than 10 knots. A chance of rain showers. Waves 1 foot or less. .SUNDAY...North winds less than 10 knots. Partly cloudy. Waves 1 foot or less. .MONDAY...Light and variable winds becoming southeast 15 to 25 knots. A chance of showers Monday night. Waves 1 foot or less building to 1 to 3 feet. $$