FZUS51 KBUF 210803 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 403 AM EDT Sun Jun 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. LEZ020-211500- Upper Niagara River and Buffalo Harbor- 403 AM EDT Sun Jun 21 2026 .TODAY...Light and variable winds becoming southwest 5 to 10 knots. Partly to mostly sunny. .TONIGHT...Southwest winds less than 10 knots. A chance of showers overnight. .MONDAY...Light and variable winds becoming northeast 5 to 10 knots. Showers likely. .MONDAY NIGHT...Northeast winds less than 10 knots. A chance of showers in the evening. .TUESDAY...Northwest winds less than 10 knots. Partly cloudy. .WEDNESDAY...Light and variable winds. A chance of showers Wednesday night. .THURSDAY...Light and variable winds. A chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. The water temperature off Buffalo is 67 degrees. $$ LOZ030-211500- Lower Niagara River- 403 AM EDT Sun Jun 21 2026 .TODAY...Light and variable winds becoming west 5 to 10 knots. Mostly sunny. .TONIGHT...Southwest winds less than 10 knots. A chance of showers overnight. .MONDAY...Light and variable winds becoming northeast 5 to 10 knots. Showers likely. .MONDAY NIGHT...Northeast winds less than 10 knots. A chance of showers in the evening. .TUESDAY...Northwest winds less than 10 knots. Partly cloudy. .WEDNESDAY...Light and variable winds. A chance of showers Wednesday night. .THURSDAY...Southeast winds less than 10 knots. A chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ LEZ040-041-211500- Buffalo to Ripley along Lake Erie- 403 AM EDT Sun Jun 21 2026 .TODAY...West winds less than 10 knots. Partly to mostly sunny. Waves 1 foot or less. .TONIGHT...Southwest winds less than 10 knots. Showers likely overnight. Waves 1 foot or less. .MONDAY...East winds 5 to 10 knots becoming northeast. Showers. Waves 2 feet or less. .MONDAY NIGHT...Northeast winds 5 to 10 knots becoming north. Showers likely in the evening. Waves 1 to 3 feet subsiding to 1 foot or less. .TUESDAY...North winds 10 knots or less becoming northwest. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...Light and variable winds. A chance of showers Wednesday night. Waves 1 foot or less. .THURSDAY...South winds less than 10 knots. A chance of showers and thunderstorms. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ042-211500- Niagara River to Hamlin Beach along Lake Ontario- 403 AM EDT Sun Jun 21 2026 .TODAY...West winds 10 knots or less. Mostly sunny. Waves 1 foot or less. .TONIGHT...West winds less than 10 knots. A chance of showers overnight. Waves 1 foot or less. .MONDAY...South winds 10 knots or less becoming northeast. Showers likely. Waves 1 foot or less. .MONDAY NIGHT...Northeast winds 5 to 10 knots becoming northwest. A chance of showers in the evening. Waves 1 foot or less. .TUESDAY...Northwest winds 5 to 10 knots becoming west. Partly cloudy. Waves 2 feet or less. .WEDNESDAY...West winds less than 10 knots becoming south. Partly to mostly cloudy. Waves 1 foot or less. .THURSDAY...Southeast winds 10 knots or less becoming south. A chance of showers. Waves 1 foot or less. $$ LOZ043-044-211500- Hamlin Beach to Mexico Bay along Lake Ontario including Irondequoit Bay- 403 AM EDT Sun Jun 21 2026 .TODAY...West winds 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...West winds less than 10 knots. Mostly cloudy. Waves 1 foot or less. .MONDAY...South winds 10 knots or less becoming east. Showers. Waves 1 foot or less. .MONDAY NIGHT...Northeast winds 10 knots or less becoming northwest. Showers likely in the evening. Waves 1 foot or less. .TUESDAY...Northwest winds 5 to 10 knots becoming west. Partly cloudy. Waves 2 feet or less. .WEDNESDAY...West winds 10 knots or less becoming south. Partly to mostly cloudy. Waves 1 foot or less. .THURSDAY...Southeast winds 10 knots or less becoming south. A chance of showers and thunderstorms during the day, then showers likely with a chance of thunderstorms Thursday night. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. The water temperature off Rochester is 62 degrees. $$ LOZ045-211500- Mexico Bay to the Saint Lawrence River along Lake Ontario- 403 AM EDT Sun Jun 21 2026 .TODAY...West winds 10 knots or less becoming southwest. Mostly sunny. Waves 2 feet or less. .TONIGHT...Southwest winds 10 knots or less becoming south. Mostly cloudy. Waves 1 foot or less. .MONDAY...South winds 10 knots or less becoming east. Showers likely. Waves 1 foot or less. .MONDAY NIGHT...Northeast winds 10 knots or less becoming north. Showers likely in the evening. Waves 1 foot or less. .TUESDAY...Northwest winds 10 knots or less. Partly cloudy. Waves 2 feet or less. .WEDNESDAY...West winds 10 knots or less becoming south. Partly cloudy. Waves 1 foot or less. .THURSDAY...South winds 10 knots or less. A chance of showers during the day, then showers likely Thursday night. Waves 1 foot or less. $$