FZUS51 KBUF 220203 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 1003 PM EDT Fri Aug 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. LEZ020-220900- Upper Niagara River and Buffalo Harbor- 1003 PM EDT Fri Aug 21 2026 .OVERNIGHT...Northeast winds 10 knots or less becoming south. Mainly clear. .SATURDAY...South winds 10 knots or less. A chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds 10 knots or less becoming southwest. Showers with a chance of thunderstorms. .SUNDAY...West winds 5 to 15 knots. Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. .SUNDAY NIGHT...West winds 5 to 10 knots. Showers with a chance of thunderstorms in the evening, then a chance of showers overnight. .MONDAY...West winds 10 knots or less. Showers likely. .TUESDAY...West winds less than 10 knots. Mainly clear, then becoming partly cloudy. .WEDNESDAY...South winds less than 10 knots. A chance of showers Wednesday night. Winds and waves higher in and near thunderstorms. The water temperature off Buffalo is 76 degrees. $$ LOZ030-220900- Lower Niagara River- 1003 PM EDT Fri Aug 21 2026 .OVERNIGHT...East winds 10 knots or less becoming south. Mainly clear. .SATURDAY...South winds 10 knots or less. A chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...South winds 5 to 10 knots becoming southwest. Showers with a chance of thunderstorms. .SUNDAY...West winds 5 to 15 knots. Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. .SUNDAY NIGHT...West winds 5 to 15 knots. Showers with a chance of thunderstorms in the evening, then a chance of showers overnight. .MONDAY...West winds 5 to 15 knots. A chance of showers. .TUESDAY...West winds 10 knots or less becoming southwest. Mainly clear, then becoming partly cloudy. .WEDNESDAY...South winds 10 knots or less. A chance of showers Wednesday night. Winds and waves higher in and near thunderstorms. $$ LEZ040-041-220900- Buffalo to Ripley along Lake Erie- 1003 PM EDT Fri Aug 21 2026 .OVERNIGHT...Southeast winds 5 to 15 knots becoming south 15 to 20 knots. Mainly clear. Waves 2 feet or less. .SATURDAY...South winds 5 to 15 knots becoming southwest less than 10 knots. A chance of showers and thunderstorms in the afternoon. Waves 2 feet or less. .SATURDAY NIGHT...South winds 5 to 15 knots becoming southwest. Showers with a chance of thunderstorms. Waves 1 to 3 feet. .SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots. Showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 1 to 3 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .SUNDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots. Showers with a chance of thunderstorms. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally around 6 feet. .MONDAY...West winds 10 to 15 knots diminishing to 5 to 10 knots. Showers likely. Waves 1 to 3 feet building to 2 to 4 feet, then subsiding to 2 feet or less. .TUESDAY...West winds 5 to 10 knots becoming southwest. Mainly clear. Waves 2 feet or less. .WEDNESDAY...South winds 10 knots or less. A chance of showers Wednesday night. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ042-220900- Niagara River to Hamlin Beach along Lake Ontario- 1003 PM EDT Fri Aug 21 2026 .OVERNIGHT...East winds 10 to 15 knots becoming southeast. Mainly clear. Waves 2 feet or less. .SATURDAY...Southeast winds 10 knots or less becoming east. A chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...Southeast winds 5 to 15 knots becoming southwest. Showers with a chance of thunderstorms. Waves 2 feet or less. .SUNDAY...Southwest winds 10 to 15 knots becoming west 15 to 20 knots. A chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 1 to 3 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .SUNDAY NIGHT...West winds 15 to 20 knots. Showers with a chance of thunderstorms in the evening, then a chance of showers overnight. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet. .MONDAY...West winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of showers. Waves 2 to 4 feet building to 3 to 5 feet, then subsiding to 2 to 4 feet. Waves occasionally around 6 feet. .TUESDAY...West winds 5 to 15 knots becoming southwest. Mainly clear, then becoming partly cloudy. Waves 1 to 3 feet subsiding to 1 foot or less. .WEDNESDAY...Southwest winds 10 knots or less becoming south. A chance of showers Wednesday night. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ043-220900- Hamlin Beach to Sodus Bay along Lake Ontario including Irondequoit Bay- 1003 PM EDT Fri Aug 21 2026 .OVERNIGHT...East winds 5 to 15 knots becoming southeast. Mainly clear. Waves 1 to 2 feet. .SATURDAY...Southeast winds 5 to 15 knots. A chance of showers and thunderstorms in the afternoon. Waves 2 feet or less. .SATURDAY NIGHT...Southeast winds 5 to 15 knots becoming south. Showers with a chance of thunderstorms. Waves 1 foot or less. .SUNDAY...South winds 10 to 15 knots becoming west 15 to 20 knots. A chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet. .SUNDAY NIGHT...West winds 15 to 20 knots. Showers with a chance of thunderstorms in the evening, then showers likely overnight. Waves 3 to 5 feet. Waves occasionally around 6 feet. .MONDAY...West winds 15 to 20 knots diminishing to 10 to 15 knots. Showers likely with a chance of thunderstorms. Waves 2 to 4 feet building to 3 to 5 feet, then subsiding to 2 to 4 feet. Waves occasionally around 6 feet. .TUESDAY...West winds 5 to 15 knots becoming southwest. Partly cloudy. Waves 2 to 4 feet subsiding to 1 foot or less. .WEDNESDAY...Southwest winds 10 knots or less becoming south. Partly to mostly cloudy. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. The water temperature off Rochester is 69 degrees. $$ LOZ044-220900- Sodus Bay to Mexico Bay along Lake Ontario- 1003 PM EDT Fri Aug 21 2026 .OVERNIGHT...Northeast winds 10 to 15 knots becoming southeast 15 to 20 knots. Mainly clear. Waves 2 feet or less. .SATURDAY...Southeast winds 15 to 20 knots diminishing to 5 to 10 knots. Sunny. Waves 2 feet or less. .SATURDAY NIGHT...South winds 10 to 15 knots becoming southeast. Showers likely with a chance of thunderstorms. Waves 2 feet or less. .SUNDAY...South winds 10 to 15 knots becoming west. Showers with a chance of thunderstorms. Waves 1 to 3 feet. .SUNDAY NIGHT...West winds 15 to 20 knots. Showers with a chance of thunderstorms in the evening, then showers overnight. Waves 3 to 5 feet. Waves occasionally around 6 feet. .MONDAY...Southwest winds 15 to 20 knots becoming west 10 to 15 knots. Showers with a chance of thunderstorms. Waves 3 to 6 feet. Waves occasionally around 7 feet. .TUESDAY...West winds 5 to 15 knots becoming southwest. A chance of showers during the day. Waves 2 to 4 feet subsiding to 1 to 3 feet. .WEDNESDAY...Southwest winds 10 knots or less becoming south. Partly cloudy, then becoming mostly cloudy. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ045-220900- Mexico Bayto the Saint Lawrence River along Lake Ontario- 1003 PM EDT Fri Aug 21 2026 .OVERNIGHT...Northeast winds 10 to 15 knots becoming southeast 15 to 20 knots. Clear. Waves 1 foot or less building to 1 to 3 feet. .SATURDAY...Southeast winds 15 to 20 knots becoming south 5 to 15 knots. Sunny. Waves 1 to 3 feet subsiding to 1 foot or less. .SATURDAY NIGHT...Southeast winds 5 to 10 knots increasing to 15 to 20 knots. A chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms overnight. Waves 1 foot or less building to 1 to 3 feet. .SUNDAY...South winds 15 to 20 knots becoming southwest. Showers with a chance of thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet. .SUNDAY NIGHT...Southwest winds 15 to 20 knots becoming west. Showers with a chance of thunderstorms in the evening, then showers overnight. Waves 3 to 5 feet. Waves occasionally around 6 feet. .MONDAY...Southwest winds 15 to 20 knots becoming west 10 to 15 knots. Showers with a chance of thunderstorms. Waves 3 to 5 feet. Waves occasionally around 6 feet. .TUESDAY...West winds 5 to 15 knots becoming southwest. A chance of showers during the day. Waves 2 to 4 feet subsiding to 1 to 3 feet. .WEDNESDAY...Southwest winds 10 knots or less becoming south. Partly cloudy, then becoming mostly cloudy. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$