FZUS51 KBUF 300802 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 402 AM EDT Wed Apr 30 2025 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. LEZ020-301500- Upper Niagara River and Buffalo Harbor- 402 AM EDT Wed Apr 30 2025 .TODAY...Northwest winds 10 knots or less becoming west. Sunny. .TONIGHT...Light and variable winds. Mainly clear in the evening, then becoming mostly cloudy. .THURSDAY...Light and variable winds becoming southeast 5 to 10 knots. Rain showers with a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...South winds 5 to 10 knots. Showers with a chance of thunderstorms. .FRIDAY...Southwest winds 5 to 15 knots becoming west less than 10 knots. A chance of showers and thunderstorms during the day, then a chance of showers Friday night. .SATURDAY...Northwest winds 10 knots or less. A chance of showers during the day. .SUNDAY...Northwest winds 10 knots or less becoming northeast. Partly cloudy. Winds and waves higher in and near thunderstorms. The water temperature off Buffalo is 48 degrees. $$ LOZ030-301500- Lower Niagara River- 402 AM EDT Wed Apr 30 2025 .TODAY...Northwest winds around 10 knots becoming light and variable. Sunny. .TONIGHT...Light and variable winds. Mainly clear in the evening, then becoming partly cloudy. .THURSDAY...East winds 10 knots or less. Rain showers with a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...Southeast winds 5 to 15 knots becoming south. Showers with a chance of thunderstorms. .FRIDAY...Southwest winds 5 to 15 knots becoming west less than 10 knots. A chance of showers and thunderstorms during the day, then a chance of showers Friday night. .SATURDAY...Northwest winds 10 knots or less. A chance of showers during the day. .SUNDAY...Northwest winds 5 to 10 knots becoming northeast. Partly cloudy. Winds and waves higher in and near thunderstorms. $$ LEZ040-041-301500- Buffalo to Ripley along Lake Erie- 402 AM EDT Wed Apr 30 2025 .TODAY...North winds 10 knots or less becoming west. Sunny. Waves 2 feet or less. .TONIGHT...Light and variable winds. Mainly clear in the evening, then becoming mostly cloudy. Waves 1 foot or less. .THURSDAY...East winds 10 knots or less becoming south. A chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...South winds 10 to 15 knots. Showers with a chance of thunderstorms. Waves 2 feet or less. .FRIDAY...Southwest winds 15 to 20 knots becoming west 5 to 15 knots. Showers likely with a chance of thunderstorms during the day, then a chance of showers Friday night. Waves 1 to 3 feet building to 2 to 4 feet, then subsiding to 1 to 2 feet. .SATURDAY...Northwest winds 5 to 10 knots. A chance of showers during the day. Waves 2 feet or less. .SUNDAY...Northwest winds 5 to 10 knots becoming northeast. Partly cloudy. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LOZ042-301500- Niagara River to Hamlin Beach along Lake Ontario- 402 AM EDT Wed Apr 30 2025 .TODAY...Northwest winds 5 to 15 knots becoming west. Sunny. Waves 2 to 4 feet subsiding to 1 foot or less. .TONIGHT...South winds 10 knots or less becoming east. Mainly clear in the evening, then becoming partly cloudy. Waves 1 foot or less. .THURSDAY...East winds 5 to 15 knots. Showers with a chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .THURSDAY NIGHT...East winds 10 to 15 knots becoming south 15 to 20 knots. Showers with a chance of thunderstorms. Waves 1 to 3 feet. .FRIDAY...Southwest winds 15 to 20 knots becoming west and diminishing to 5 to 10 knots. Showers likely with a chance of thunderstorms during the day, then a chance of showers Friday night. Waves 2 to 4 feet building to 3 to 5 feet, then subsiding to 1 to 2 feet. Waves occasionally around 6 feet. .SATURDAY...Northwest winds 5 to 10 knots becoming west. A chance of showers during the day. Waves 1 to 2 feet. .SUNDAY...West winds 10 to 15 knots becoming northeast. Partly cloudy. Waves 1 to 2 feet. Winds and waves higher in and near thunderstorms. $$ LOZ043>045-301500- Hamlin Beach to the Saint Lawrence River along Lake Ontario including Irondequoit Bay- 402 AM EDT Wed Apr 30 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... .TODAY...Northwest winds 5 to 15 knots becoming west. Sunny. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally around 6 feet. .TONIGHT...Southwest winds 10 knots or less becoming southeast. Mainly clear. Waves 1 foot or less. .THURSDAY...Southeast winds 5 to 15 knots becoming east. Rain showers likely with a chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .THURSDAY NIGHT...Southeast winds 10 to 15 knots becoming south and increasing to 15 to 25 knots. Showers with a chance of thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet. .FRIDAY...South winds 15 to 25 knots becoming west and diminishing to 5 to 10 knots. Showers with a chance of thunderstorms during the day, then a chance of showers Friday night. Waves 3 to 6 feet subsiding to 2 to 4 feet. Waves occasionally around 7 feet. .SATURDAY...West winds 5 to 15 knots. A chance of showers. Waves 2 feet or less. .SUNDAY...West winds 10 to 15 knots becoming northeast. Partly cloudy. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. The water temperature off Rochester is 43 degrees. $$