FZUS51 KBUF 181412 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 1012 AM EDT Sat Apr 18 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. LEZ020-182100- Upper Niagara River and Buffalo Harbor- 1012 AM EDT Sat Apr 18 2026 .THIS AFTERNOON...South winds 10 to 15 knots becoming southwest 15 to 20 knots. A chance of showers early. Showers with a chance of thunderstorms late. Some thunderstorms may produce gusty winds late. .TONIGHT...West winds 5 to 10 knots. Rain showers likely. .SUNDAY...West winds 5 to 15 knots. A chance of rain and snow showers in the morning, then rain showers likely in the afternoon. .SUNDAY NIGHT...West winds 5 to 10 knots becoming northwest. Rain showers likely with a chance of snow showers in the evening, then a chance of snow showers overnight. .MONDAY...Northwest winds 10 knots or less becoming southwest. Partly cloudy. .TUESDAY...South winds 5 to 10 knots becoming southwest. Mostly cloudy. .WEDNESDAY...Northwest winds 5 to 10 knots becoming light and variable. Partly cloudy, then becoming mainly clear. Winds and waves higher in and near thunderstorms. The water temperature off Buffalo is 42 degrees. $$ LOZ030-182100- Lower Niagara River- 1012 AM EDT Sat Apr 18 2026 .THIS AFTERNOON...South winds 15 to 20 knots becoming southwest 10 to 15 knots. Showers likely early. Showers with a chance of thunderstorms late. Some thunderstorms may produce gusty winds late. .TONIGHT...West winds 5 to 15 knots becoming northwest. Rain showers likely. .SUNDAY...West winds 5 to 15 knots. A chance of rain showers. .SUNDAY NIGHT...West winds 5 to 15 knots becoming northwest. A chance of rain showers in the evening. .MONDAY...Northwest winds 10 knots or less becoming southwest. Partly cloudy. .TUESDAY...South winds 5 to 15 knots becoming west. Mostly cloudy. .WEDNESDAY...North winds 5 to 10 knots becoming light and variable. Becoming mainly clear. Winds and waves higher in and near thunderstorms. $$ LEZ040-041-182100- Buffalo to Ripley along Lake Erie- 1012 AM EDT Sat Apr 18 2026 .THIS AFTERNOON...South winds 15 to 20 knots becoming southwest. A chance of showers early. Showers with a chance of thunderstorms late. Some thunderstorms may produce gusty winds late. Waves 1 to 3 feet. .TONIGHT...Southwest winds 15 to 20 knots becoming west 5 to 15 knots. Rain showers likely. Waves 2 to 4 feet subsiding to 1 to 3 feet. .SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots. A chance of rain showers in the morning, then a chance of rain and snow showers in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet. .SUNDAY NIGHT...West winds 5 to 15 knots becoming northwest. A chance of rain and snow showers. Waves 2 to 4 feet subsiding to 1 to 3 feet. .MONDAY...Northwest winds 5 to 10 knots becoming south. Partly cloudy. Waves 2 feet or less. .TUESDAY...South winds 5 to 15 knots becoming southwest. Partly to mostly cloudy. Waves 2 feet or less. .WEDNESDAY...North winds less than 10 knots. Partly cloudy, then becoming mainly clear. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ042-182100- Niagara River to Hamlin Beach along Lake Ontario- 1012 AM EDT Sat Apr 18 2026 .THIS AFTERNOON...South winds 15 to 20 knots becoming southwest. Showers likely early. Showers with a chance of thunderstorms late. Some thunderstorms may produce gusty winds late. Waves 1 to 3 feet. .TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots. Rain showers likely with a chance of thunderstorms in the evening, then rain showers likely overnight. Some thunderstorms may produce gusty winds in the evening. Waves 1 to 3 feet building to 2 to 4 feet. .SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots. A chance of rain and snow showers in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet. .SUNDAY NIGHT...West winds 15 to 20 knots becoming northwest. A chance of rain showers in the evening. Waves 2 to 4 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .MONDAY...Northwest winds 15 to 20 knots becoming southwest 5 to 15 knots. Becoming mainly clear. Waves 2 to 4 feet subsiding to 1 foot or less. .TUESDAY...South winds 15 to 20 knots becoming northwest 5 to 15 knots. A chance of rain showers. Waves 1 to 3 feet. .WEDNESDAY...North winds 10 knots or less. Becoming mainly clear. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LOZ043-182100- Hamlin Beach to Sodus Bay along Lake Ontario including Irondequoit Bay- 1012 AM EDT Sat Apr 18 2026 .THIS AFTERNOON...South winds 15 to 20 knots. Showers likely late. Waves 1 to 3 feet. .TONIGHT...West winds 15 to 20 knots becoming northwest 10 to 15 knots. Rain showers with a chance of thunderstorms in the evening, then rain showers likely overnight. Some thunderstorms may produce gusty winds in the evening. Waves 1 to 3 feet building to 2 to 4 feet. .SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots. Rain and snow showers likely in the morning, then a chance of rain and snow showers 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. A chance of rain showers in the evening. Waves 3 to 5 feet. Waves occasionally around 6 feet. .MONDAY...Northwest winds 15 to 20 knots becoming southwest 5 to 15 knots. Becoming mainly clear. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally around 6 feet. .TUESDAY...South winds 5 to 15 knots becoming west. A chance of rain showers. Waves 2 feet or less. .WEDNESDAY...North winds 5 to 15 knots. Becoming mainly clear. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. The water temperature off Rochester is 41 degrees. $$ LOZ044-182100- Sodus Bay to Mexico Bay along Lake Ontario- 1012 AM EDT Sat Apr 18 2026 .THIS AFTERNOON...South winds 15 to 20 knots. A chance of showers late. Waves 1 to 3 feet. .TONIGHT...Southwest winds 15 to 20 knots becoming northwest 10 to 15 knots. Rain showers. Waves 1 to 3 feet building to 2 to 4 feet. .SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots. Rain and snow showers likely in the morning, then a chance of snow showers in the afternoon. Waves 2 to 4 feet building to 3 to 6 feet. Waves occasionally around 7 feet. .SUNDAY NIGHT...West winds 15 to 20 knots. Partly cloudy. Waves 3 to 6 feet. Waves occasionally around 7 feet. .MONDAY...Northwest winds 15 to 20 knots becoming west 5 to 15 knots. Partly cloudy, then becoming mainly clear. Waves 3 to 6 feet subsiding to 1 to 3 feet. Waves occasionally around 7 feet. .TUESDAY...South winds 5 to 15 knots becoming southwest. A chance of rain showers. Waves 2 feet or less. .WEDNESDAY...North winds 5 to 15 knots diminishing to less than 10 knots. Becoming mainly clear. Waves 1 to 3 feet subsiding to 1 foot or less. $$ LOZ045-182100- Mexico Bay to the Saint Lawrence River along Lake Ontario- 1012 AM EDT Sat Apr 18 2026 .THIS AFTERNOON...South winds 15 to 20 knots. A chance of showers late. Waves 1 to 3 feet building to 2 to 4 feet. .TONIGHT...South winds 15 to 20 knots becoming west 10 to 15 knots. Rain showers. Waves 2 to 4 feet. .SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots. Rain showers with snow showers likely in the morning, then a chance of rain and snow showers 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 becoming northwest. Partly cloudy. Waves 3 to 6 feet. Waves occasionally around 7 feet. .MONDAY...Northwest winds 15 to 20 knots becoming west 5 to 15 knots. Becoming mainly clear. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally around 6 feet. .TUESDAY...South winds 10 to 15 knots. A chance of rain showers. Waves 2 feet or less. .WEDNESDAY...North winds 10 knots or less. Becoming mainly clear. Waves 2 feet or less. $$