FZUS51 KBUF 212005 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 405 PM EDT Tue Apr 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. LEZ020-220300- Upper Niagara River and Buffalo Harbor- 405 PM EDT Tue Apr 21 2026 .TONIGHT...South winds 10 knots or less becoming southwest. Mostly cloudy. .WEDNESDAY...Light and variable winds. Mostly sunny. .WEDNESDAY NIGHT...Light and variable winds. Mainly clear. .THURSDAY...Light and variable winds. Mostly sunny. .THURSDAY NIGHT...Light and variable winds. Partly to mostly cloudy. .FRIDAY...East winds 5 to 10 knots. A chance of showers Friday night. .SATURDAY...East winds 10 knots or less. Showers likely during the day, then a chance of showers Saturday night. .SUNDAY...Northeast winds less than 10 knots. Mostly cloudy, then becoming partly cloudy. The water temperature off Buffalo is 44 degrees. $$ LOZ030-220300- Lower Niagara River- 405 PM EDT Tue Apr 21 2026 .TONIGHT...South winds 10 knots or less becoming southwest. Mostly cloudy. .WEDNESDAY...Light and variable winds. Mostly sunny. .WEDNESDAY NIGHT...Light and variable winds. Mainly clear. .THURSDAY...Light and variable winds. Mostly sunny. .THURSDAY NIGHT...Light and variable winds becoming northeast 5 to 10 knots. Partly to mostly cloudy. .FRIDAY...East winds 5 to 15 knots. A chance of showers Friday night. .SATURDAY...East winds 5 to 15 knots. A chance of showers. .SUNDAY...Northeast winds less than 10 knots. Mostly cloudy, then becoming partly cloudy. $$ LEZ040-041-220300- Buffalo to Ripley along Lake Erie- 405 PM EDT Tue Apr 21 2026 .TONIGHT...South winds 5 to 15 knots becoming southwest. A chance of showers from late evening on. Waves 1 foot or less. .WEDNESDAY...West winds less than 10 knots becoming southwest. Partly sunny in the morning, then becoming mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Southwest winds less than 10 knots. Becoming mainly clear. Waves 1 foot or less. .THURSDAY...Light and variable winds. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Light and variable winds. Partly cloudy. Waves 1 foot or less. .FRIDAY...Northeast winds 5 to 10 knots becoming east. Showers likely Friday night. Waves 1 foot or less. .SATURDAY...East winds 10 knots or less. Showers likely 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 becoming partly cloudy. Waves 1 foot or less. $$ LOZ042-220300- Niagara River to Hamlin Beach along Lake Ontario- 405 PM EDT Tue Apr 21 2026 .TONIGHT...Southeast winds 10 knots or less becoming south. Mostly cloudy. Waves 1 to 3 feet subsiding to 1 foot or less. .WEDNESDAY...Northwest winds less than 10 knots becoming west. Becoming mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...West winds less than 10 knots becoming northwest. Mainly clear. Waves 1 foot or less. .THURSDAY...Northwest winds less than 10 knots. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...North winds 10 knots or less becoming east 10 to 15 knots. Mostly cloudy. Waves 1 foot or less. .FRIDAY...East winds 10 to 15 knots increasing to 15 to 20 knots. A chance of showers Friday night. Waves 1 to 3 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .SATURDAY...East winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of showers. Waves 3 to 6 feet subsiding to 1 to 3 feet. Waves occasionally around 7 feet. .SUNDAY...East winds 5 to 15 knots. Partly to mostly cloudy. Waves 1 to 3 feet subsiding to 1 foot or less. $$ LOZ043-220300- Hamlin Beach to Sodus Bay along Lake Ontario including Irondequoit Bay- 405 PM EDT Tue Apr 21 2026 .TONIGHT...Southeast winds 10 to 15 knots. Mostly cloudy. Waves 1 to 3 feet subsiding to 1 foot or less. .WEDNESDAY...Southeast winds 10 knots or less becoming northwest. Becoming mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Light and variable winds. Mainly clear in the evening, then becoming partly cloudy. Waves 1 foot or less. .THURSDAY...Northwest winds less than 10 knots. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...West winds 10 knots or less becoming northeast. Mostly cloudy. Waves 1 foot or less. .FRIDAY...Northeast winds 5 to 15 knots becoming east 15 to 20 knots. A chance of rain showers Friday night. Waves 1 to 2 feet building to 2 to 4 feet. .SATURDAY...East winds 15 to 20 knots becoming southeast 10 to 15 knots. A chance of showers. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally around 6 feet. .SUNDAY...East winds 5 to 15 knots becoming southeast. Partly to mostly cloudy. Waves 2 feet or less. The water temperature off Rochester is 42 degrees. $$ LOZ044-220300- Sodus Bay to Mexico Bay along Lake Ontario- 405 PM EDT Tue Apr 21 2026 .TONIGHT...Southeast winds 10 to 15 knots. Mostly cloudy. Waves 2 feet or less. .WEDNESDAY...Southeast winds 10 knots or less becoming north. Partly to mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Northwest winds less than 10 knots. Mainly clear in the evening, then becoming partly cloudy. Waves 1 foot or less. .THURSDAY...Northwest winds 10 knots or less becoming west. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...West winds 10 knots or less becoming northeast. Mostly cloudy. Waves 1 foot or less. .FRIDAY...Northeast winds 5 to 15 knots becoming east. A chance of rain showers Friday night. Waves 2 feet or less. .SATURDAY...East winds 5 to 15 knots becoming southeast. A chance of showers. Waves 2 feet or less. .SUNDAY...East winds 10 knots or less becoming southeast. Partly cloudy. Waves 1 foot or less. $$ LOZ045-220300- Mexico Bay to the Saint Lawrence River along Lake Ontario- 405 PM EDT Tue Apr 21 2026 .TONIGHT...Southeast winds 15 to 20 knots diminishing to 10 to 15 knots. Mostly cloudy. Waves 1 to 3 feet. .WEDNESDAY...Southeast winds 5 to 15 knots becoming west less than 10 knots. Partly to mostly sunny. Waves 2 feet or less. .WEDNESDAY NIGHT...Light and variable winds. Mainly clear in the evening, then becoming partly cloudy. Waves 1 foot or less. .THURSDAY...North winds 5 to 10 knots becoming west. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...West winds 10 knots or less becoming northeast. Mostly cloudy. Waves 1 foot or less. .FRIDAY...Northeast winds 5 to 15 knots becoming east. Becoming mainly clear. Waves 1 foot or less. .SATURDAY...East winds 5 to 15 knots becoming southeast. A chance of rain showers. Waves 1 foot or less. .SUNDAY...East winds 10 knots or less. Partly cloudy. Waves 1 foot or less. $$