FZUS51 KBUF 201225 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 825 AM EDT Mon Apr 20 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. LEZ020-201500- Upper Niagara River and Buffalo Harbor- 825 AM EDT Mon Apr 20 2026 .TODAY...Northwest winds 5 to 10 knots. Scattered snow showers early this afternoon. .TONIGHT...Southwest winds less than 10 knots. Becoming mainly clear. .TUESDAY...South winds 5 to 10 knots. Partly sunny in the morning, then becoming mostly cloudy. .TUESDAY NIGHT...South winds 5 to 10 knots becoming light and variable. Mostly cloudy. .WEDNESDAY...Light and variable winds. Becoming mainly clear. .THURSDAY...Light and variable winds. Partly cloudy. .FRIDAY...East winds 10 knots or less. A chance of showers Friday night. The water temperature off Buffalo is 44 degrees. $$ LOZ030-201500- Lower Niagara River- 825 AM EDT Mon Apr 20 2026 .TODAY...Northwest winds 5 to 10 knots. Partly to mostly sunny. .TONIGHT...West winds less than 10 knots. Mainly clear. .TUESDAY...South winds 5 to 10 knots. Partly sunny in the morning, then becoming mostly cloudy. .TUESDAY NIGHT...South winds 5 to 10 knots becoming light and variable. Mostly cloudy. .WEDNESDAY...North winds less than 10 knots. Becoming mainly clear. .THURSDAY...Light and variable winds. Partly cloudy. .FRIDAY...East winds 5 to 10 knots. A chance of showers Friday night. $$ LEZ040-041-201500- Buffalo to Ripley along Lake Erie- 825 AM EDT Mon Apr 20 2026 .TODAY...Northwest winds 5 to 10 knots becoming west. Partly to mostly sunny. Waves 2 feet or less. .TONIGHT...West winds 10 knots or less becoming south. Mainly clear. Waves 1 foot or less. .TUESDAY...South winds 5 to 10 knots. Partly sunny. Waves 1 foot or less. .TUESDAY NIGHT...South winds 10 knots or less becoming southwest. A chance of showers. Waves 1 foot or less. .WEDNESDAY...Northwest winds less than 10 knots. Partly cloudy. Waves 1 foot or less. .THURSDAY...Light and variable winds. Partly cloudy. Waves 1 foot or less. .FRIDAY...East winds 10 knots or less. A chance of showers Friday night. Waves 1 foot or less. $$ LOZ042-201500- Niagara River to Hamlin Beach along Lake Ontario- 825 AM EDT Mon Apr 20 2026 .TODAY...Northwest winds 10 to 15 knots becoming west. Becoming mostly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet. .TONIGHT...West winds 5 to 15 knots becoming south 10 knots or less. Mainly clear. Waves 1 to 3 feet subsiding to 1 foot or less. .TUESDAY...South winds 10 to 15 knots. Partly sunny in the morning, then becoming mostly cloudy. Waves 2 feet or less. .TUESDAY NIGHT...Southeast winds 10 knots or less becoming northeast. Mostly cloudy. Waves 1 foot or less. .WEDNESDAY...Northeast winds less than 10 knots becoming northwest. Becoming mainly clear. Waves 1 foot or less. .THURSDAY...East winds 10 knots or less. Partly to mostly cloudy. Waves 1 foot or less. .FRIDAY...East winds 5 to 15 knots increasing to 15 to 20 knots. A chance of showers Friday night. Waves 1 to 3 feet. $$ LOZ043-201500- Hamlin Beach to Sodus Bay along Lake Ontario including Irondequoit Bay- 825 AM EDT Mon Apr 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .TODAY...Northwest winds 10 to 15 knots becoming west. Scattered snow showers early. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet. .TONIGHT...West winds 5 to 15 knots becoming southwest. Mainly clear. Waves 1 to 3 feet. .TUESDAY...South winds 5 to 10 knots becoming southeast. Partly sunny in the morning, then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY NIGHT...Southeast winds 5 to 10 knots becoming southwest. Mostly cloudy. Waves 1 foot or less. .WEDNESDAY...North winds less than 10 knots becoming northwest. Becoming mainly clear. Waves 1 foot or less. .THURSDAY...Northwest winds 10 knots or less becoming east. Partly to mostly cloudy. Waves 1 foot or less. .FRIDAY...East winds 5 to 15 knots. A chance of showers Friday night. Waves 1 to 3 feet. The water temperature off Rochester is 43 degrees. $$ LOZ044-201500- Sodus Bay to Mexico Bay along Lake Ontario- 825 AM EDT Mon Apr 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .TODAY...Northwest winds 10 to 15 knots becoming west. Becoming mostly sunny. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet. .TONIGHT...West winds 5 to 15 knots becoming southwest. Mainly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet. .TUESDAY...South winds 5 to 10 knots. Partly sunny in the morning, then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Mostly cloudy. Waves 1 foot or less. .WEDNESDAY...East winds 10 knots or less becoming north. Becoming mainly clear. Waves 1 foot or less. .THURSDAY...Northwest winds less than 10 knots becoming northeast. Partly to mostly cloudy. Waves 1 foot or less. .FRIDAY...Northeast winds 5 to 15 knots becoming east. A chance of showers Friday night. Waves 2 feet or less. $$ LOZ045-201500- Mexico Bay to the Saint Lawrence River along Lake Ontario- 825 AM EDT Mon Apr 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .TODAY...Northwest winds 10 to 15 knots becoming west. Partly to mostly sunny. Waves 3 to 5 feet subsiding to 1 to 3 feet. .TONIGHT...West winds 5 to 15 knots. Mainly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet. .TUESDAY...Southwest winds 5 to 15 knots becoming south. Partly sunny in the morning, then becoming mostly cloudy. Waves 2 feet or less. .TUESDAY NIGHT...Southeast winds 5 to 15 knots. Mostly cloudy. Waves 2 feet or less. .WEDNESDAY...Northeast winds 10 knots or less becoming north. Becoming mainly clear. Waves 1 foot or less. .THURSDAY...North winds less than 10 knots becoming northeast. Partly to mostly cloudy. Waves 1 foot or less. .FRIDAY...Northeast winds 10 knots or less becoming east 10 to 15 knots. A chance of showers Friday night. Waves 1 foot or less. $$