FZUS51 KBUF 170806 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 405 AM EDT Fri Apr 17 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. LEZ020-171500- Upper Niagara River and Buffalo Harbor- 405 AM EDT Fri Apr 17 2026 .TODAY...Light and variable winds. Areas of fog this morning. .TONIGHT...Light and variable winds becoming southeast 5 to 10 knots. Partly cloudy. .SATURDAY...South winds 10 to 15 knots becoming southwest. A chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Southwest winds 10 to 15 knots becoming west. Rain showers in the evening, then rain showers likely overnight. .SUNDAY...West winds 5 to 15 knots becoming northwest. A chance of rain showers. .MONDAY...Northwest winds 10 knots or less becoming southwest. Partly cloudy. .TUESDAY...South winds 5 to 10 knots becoming southwest. Partly to mostly cloudy. Winds and waves higher in and near thunderstorms. The water temperature off Buffalo is 41 degrees. $$ LOZ030-171500- Lower Niagara River- 405 AM EDT Fri Apr 17 2026 .TODAY...Light and variable winds. Areas of fog this morning. .TONIGHT...Light and variable winds becoming south 5 to 10 knots. Partly cloudy. .SATURDAY...South winds 5 to 15 knots becoming southwest. A chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. .SATURDAY NIGHT...West winds 10 to 15 knots. Rain showers in the evening, then rain showers likely overnight. .SUNDAY...West winds 10 to 15 knots becoming northwest. A chance of rain showers. .MONDAY...Northwest winds 10 knots or less becoming southwest. Partly cloudy. .TUESDAY...South winds 5 to 15 knots becoming west. Partly to mostly cloudy. Winds and waves higher in and near thunderstorms. $$ LEZ040-041-171500- Buffalo to Ripley along Lake Erie- 405 AM EDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .TODAY...Light and variable winds. Areas of fog through early afternoon. Waves 1 foot or less. .TONIGHT...Light and variable winds becoming south 10 to 15 knots. Partly cloudy. Waves 1 foot or less. .SATURDAY...South winds 15 to 20 knots becoming southwest 10 to 15 knots. A chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...Southwest winds 10 to 15 knots becoming west. Rain showers with a chance of thunderstorms in the evening, then rain showers likely overnight. Waves 1 to 3 feet. .SUNDAY...West winds 10 to 15 knots becoming northwest. A chance of rain showers. Waves 1 to 3 feet building to 2 to 4 feet, then subsiding to 1 to 3 feet. .MONDAY...Northwest winds 10 knots or less becoming southwest. 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. Winds and waves higher in and near thunderstorms. $$ LOZ042-171500- Niagara River to Hamlin Beach along Lake Ontario- 405 AM EDT Fri Apr 17 2026 .TODAY...Northwest winds less than 10 knots becoming northeast. Areas of fog through early afternoon. Waves 1 foot or less. .TONIGHT...East winds 10 knots or less becoming southeast. Partly to mostly cloudy. Waves 1 foot or less. .SATURDAY...Southeast winds 10 to 15 knots becoming southwest 15 to 20 knots. A chance of showers in the morning, then showers in the afternoon. Waves 2 feet or less building to 2 to 4 feet. .SATURDAY NIGHT...West winds 15 to 20 knots becoming northwest. Rain showers in the evening, then rain showers likely overnight. Waves 2 to 4 feet. .SUNDAY...West winds 15 to 20 knots becoming northwest. A chance of rain showers. Waves 2 to 4 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .MONDAY...Northwest winds 15 to 20 knots becoming southwest 5 to 15 knots. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally around 6 feet. .TUESDAY...South winds 15 to 20 knots becoming west 10 to 15 knots. Partly to mostly cloudy. Waves 1 to 3 feet. $$ LOZ043-044-171500- Hamlin Beach to Mexico Bay along Lake Ontario including Irondequoit Bay- 405 AM EDT Fri Apr 17 2026 .TODAY...Northwest winds 5 to 10 knots. A chance of showers early. Areas of fog through early afternoon. Waves 1 foot or less. .TONIGHT...Northeast winds 10 knots or less becoming southeast. Mostly cloudy. Waves 1 foot or less. .SATURDAY...Southeast winds 10 to 15 knots becoming south 15 to 20 knots. Showers in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...South winds 15 to 20 knots becoming west. Rain showers. Waves 1 to 3 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .SUNDAY...West winds 15 to 20 knots becoming northwest. Rain showers during the day, then a chance of rain showers Sunday night. Waves 3 to 6 feet building to 4 to 7 feet. Waves occasionally around 9 feet. .MONDAY...Northwest winds 15 to 20 knots becoming west 10 to 15 knots. Becoming mainly clear. Waves 3 to 6 feet subsiding to 2 to 4 feet. Waves occasionally around 7 feet. .TUESDAY...South winds 10 to 15 knots becoming southwest 15 to 20 knots. A chance of rain showers Tuesday night. Waves 1 to 3 feet. The water temperature off Rochester is 41 degrees. $$ LOZ045-171500- Mexico Bay to the Saint Lawrence River along Lake Ontario- 405 AM EDT Fri Apr 17 2026 .TODAY...North winds 5 to 10 knots. Patchy fog this morning. Waves 1 foot or less. .TONIGHT...North winds less than 10 knots becoming southeast 10 to 15 knots. Partly cloudy in the evening, then becoming mostly cloudy. Waves 1 foot or less. .SATURDAY...Southeast winds 15 to 20 knots becoming south. Showers likely in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet. .SATURDAY NIGHT...South winds 15 to 20 knots becoming west. Rain showers. Waves 2 to 4 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .SUNDAY...West winds 10 to 15 knots becoming northwest and increasing to 15 to 25 knots. Rain showers during the day, then a chance of rain showers Sunday night. Waves 3 to 6 feet building to 4 to 7 feet. Waves occasionally around 9 feet. .MONDAY...Northwest winds 15 to 20 knots becoming west 5 to 15 knots. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally around 6 feet. .TUESDAY...South winds 15 to 20 knots. A chance of rain showers Tuesday night. Waves 1 to 3 feet building to 2 to 4 feet. $$