FZUS51 KBUF 211410 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 1010 AM 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. LEZ020-212100- Upper Niagara River and Buffalo Harbor- 1010 AM EDT Tue Apr 21 2026 .REST OF TODAY...South winds 5 to 10 knots. Sunny late this morning, then becoming partly sunny. .TONIGHT...South winds 5 to 15 knots becoming southwest. A chance of showers. .WEDNESDAY...Light and variable winds. Mostly sunny. .WEDNESDAY NIGHT...Light and variable winds. Mainly clear in the evening, then becoming partly cloudy. .THURSDAY...Light and variable winds. Partly cloudy. .FRIDAY...Northeast winds 10 knots or less becoming east. A chance of showers Friday night. .SATURDAY...Northeast winds 5 to 10 knots. Showers likely. The water temperature off Buffalo is 44 degrees. $$ LOZ030-212100- Lower Niagara River- 1010 AM EDT Tue Apr 21 2026 .REST OF TODAY...South winds around 10 knots. Mostly sunny late this morning, then becoming partly sunny. .TONIGHT...South winds 5 to 15 knots becoming west. A chance of rain showers. .WEDNESDAY...Light and variable winds. Mostly sunny. .WEDNESDAY NIGHT...Light and variable winds. Mainly clear in the evening, then becoming partly cloudy. .THURSDAY...Light and variable winds. Partly cloudy. .FRIDAY...Northeast winds 5 to 10 knots becoming east. A chance of showers Friday night. .SATURDAY...Northeast winds 5 to 10 knots. Showers likely during the day, then a chance of showers Saturday night. $$ LEZ040-041-212100- Buffalo to Ripley along Lake Erie- 1010 AM EDT Tue Apr 21 2026 .REST OF TODAY...South winds 5 to 15 knots. Sunny. Waves 1 foot or less. .TONIGHT...South winds 15 to 20 knots becoming southwest and diminishing to 5 to 10 knots. A chance of showers. Waves 1 to 3 feet. .WEDNESDAY...West winds less than 10 knots. 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...Light and variable winds. Partly cloudy. Waves 1 foot or less. .FRIDAY...Northeast winds 10 knots or less becoming east. Showers likely Friday night. Waves 1 foot or less. .SATURDAY...Northeast winds 10 knots or less becoming east. Showers likely. Waves 1 foot or less. $$ LOZ042-212100- Niagara River to Hamlin Beach along Lake Ontario- 1010 AM EDT Tue Apr 21 2026 .REST OF TODAY...South winds 5 to 15 knots becoming southeast 15 to 20 knots. Partly to mostly sunny. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 15 knots becoming northwest. A chance of showers. Waves 2 feet or less. .WEDNESDAY...North winds less than 10 knots becoming northeast. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast winds less than 10 knots. Mainly clear. Waves 1 foot or less. .THURSDAY...North winds 10 knots or less becoming east. Partly to mostly cloudy. Waves 1 foot or less. .FRIDAY...East winds 10 to 15 knots increasing to 15 to 20 knots. A chance of showers Friday night. Waves 1 to 3 feet building to 2 to 4 feet. .SATURDAY...East winds 15 to 20 knots becoming northeast 10 to 15 knots. Showers likely. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet. $$ LOZ043-212100- Hamlin Beach to Sodus Bay along Lake Ontario including Irondequoit Bay- 1010 AM EDT Tue Apr 21 2026 .REST OF TODAY...South winds 5 to 15 knots becoming southeast 15 to 20 knots. Partly to mostly sunny. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 15 knots becoming south. A chance of showers. Waves 2 feet or less. .WEDNESDAY...Westwinds less than 10 knots becoming north. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Light and variable winds. Mainly clear. Waves 1 foot or less. .THURSDAY...Northwest winds 10 knots or less becoming northeast. Partly cloudy. Waves 1 foot or less. .FRIDAY...Northeast winds 5 to 15 knots becoming east. A chance of showers Friday night. Waves 2 feet or less building to 2 to 4 feet. .SATURDAY...East winds 15 to 20 knots becoming southeast 10 to 15 knots. Showers likely. Waves 2 to 4 feet subsiding to 1 to 3 feet. The water temperature off Rochester is 42 degrees. $$ LOZ044-212100- Sodus Bay to Mexico Bay along Lake Ontario- 1010 AM EDT Tue Apr 21 2026 .REST OF TODAY...South winds 10 to 15 knots becoming southeast. Partly sunny. Waves 1 foot or less. .TONIGHT...Southeast winds 10 to 15 knots. A chance of showers. Waves 2 feet or less. .WEDNESDAY...Southeast winds 10 knots or less becoming north. Partly to mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Northwest winds less than 10 knots. Mainly clear in the evening, then becoming partly cloudy. Waves 1 foot or less. .THURSDAY...Northwest winds 10 knots or less becoming northeast. Partly cloudy. Waves 1 foot or less. .FRIDAY...Northeast winds 5 to 15 knots becoming east. A chance of rain showers Friday night. Waves 2 feet or less. .SATURDAY...East winds 10 to 15 knots becoming southeast. Showers likely. Waves 2 feet or less. $$ LOZ045-212100- Mexico Bay to the Saint Lawrence River along Lake Ontario- 1010 AM EDT Tue Apr 21 2026 .REST OF TODAY...South winds 10 to 15 knots increasing to 15 to 20 knots. Partly sunny late this morning, then becoming mostly cloudy. Waves 2 feet or less. .TONIGHT...Southeast winds 15 to 20 knots. A chance of showers. Waves 1 to 3 feet. .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...North winds 10 knots or less becoming northeast. Partly cloudy. Waves 1 foot or less. .FRIDAY...Northeast winds 5 to 15 knots becoming east. Partly cloudy. Waves 1 foot or less. .SATURDAY...East winds 5 to 15 knots. A chance of showers. Waves 1 foot or less. $$