FZUS51 KBUF 231403 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 1003 AM EDT Sun Aug 23 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. LEZ020-232100- Upper Niagara River and Buffalo Harbor- 1003 AM EDT Sun Aug 23 2026 .REST OF TODAY...West winds 10 to 15 knots. Showers with a chance of thunderstorms. .TONIGHT...West winds 5 to 10 knots. Showers likely with a chance of thunderstorms in the evening, then showers likely overnight. .MONDAY...West winds 5 to 15 knots increasing to 15 to 20 knots. Showers. .MONDAY NIGHT...West winds 5 to 15 knots. Showers likely in the evening. .TUESDAY...West winds 5 to 10 knots becoming light and variable. Partly cloudy. .WEDNESDAY...Southwest winds less than 10 knots becoming south. Partly cloudy. .THURSDAY...South winds 10 knots or less becoming southwest. A chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. The water temperature off Buffalo is 76 degrees. $$ LOZ030-232100- Lower Niagara River- 1003 AM EDT Sun Aug 23 2026 .REST OF TODAY...West winds 10 to 15 knots. A chance of showers and thunderstorms late this morning, then showers with a chance of thunderstorms this afternoon. .TONIGHT...West winds 5 to 15 knots becoming southwest. A chance of showers and thunderstorms in the evening, then showers likely overnight. .MONDAY...Southwest winds 10 to 15 knots becoming west 15 to 20 knots. Showers likely. .MONDAY NIGHT...West winds 15 to 20 knots diminishing to 5 to 10 knots. Showers likely in the evening, then a chance of showers overnight. .TUESDAY...West winds 5 to 10 knots becoming light and variable. A chance of showers during the day. .WEDNESDAY...Southwest winds 10 knots or less becoming south. Partly cloudy. .THURSDAY...South winds 10 knots or less becoming southwest. A chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ LEZ040-041-232100- Buffalo to Ripley along Lake Erie- 1003 AM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT... .REST OF TODAY...West winds 15 to 25 knots. A chance of waterspouts. Showers with a chance of thunderstorms. Waves 3 to 6 feet. Waves occasionally around 7 feet. .TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of waterspouts. Showers with a chance of thunderstorms. Waves 3 to 6 feet subsiding to 2 to 4 feet. Waves occasionally around 7 feet. .MONDAY...West winds 15 to 25 knots increasing to 30 knots. A chance of waterspouts. Showers. Waves 2 to 4 feet building to 4 to 7 feet. Waves occasionally around 9 feet. .MONDAY NIGHT...West winds 15 to 25 knots diminishing to 10 to 15 knots. A chance of waterspouts. Showers in the evening, then showers likely overnight. Waves 4 to 7 feet subsiding to 1 to 3 feet. Waves occasionally around 9 feet. .TUESDAY...West winds 5 to 15 knots becoming southwest less than 10 knots. A chance of waterspouts during the day. A chance of showers during the day. Waves 1 to 3 feet subsiding to 1 foot or less. .WEDNESDAY...Southwest winds 10 knots or less becoming south. Partly cloudy. Waves 1 foot or less. .THURSDAY...South winds 5 to 10 knots becoming southwest. A chance of showers and thunderstorms. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ042-232100- Niagara River to Hamlin Beach along Lake Ontario- 1003 AM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...West winds 15 to 25 knots. A chance of waterspouts. A chance of showers late this morning, then showers with a chance of thunderstorms this afternoon. Waves 2 to 4 feet building to 3 to 6 feet. Waves occasionally around 7 feet. .TONIGHT...West winds 15 to 25 knots becoming southwest. A chance of waterspouts. Showers likely with a chance of thunderstorms in the evening, then showers likely overnight. Waves 3 to 6 feet. Waves occasionally around 7 feet. .MONDAY...Southwest winds 15 to 25 knots becoming west to 30 knots. A chance of waterspouts. Showers. Waves 3 to 6 feet building to 5 to 8 feet. Waves occasionally around 10 feet. .MONDAY NIGHT...West winds to 30 knots diminishing to 15 to 20 knots. A chance of waterspouts. Showers in the evening, then a chance of showers overnight. Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves occasionally around 9 feet. .TUESDAY...West winds 15 to 20 knots diminishing to less than 10 knots. A chance of waterspouts during the day. A chance of showers during the day. Waves 3 to 5 feet subsiding to 1 foot or less. Waves occasionally around 6 feet. .WEDNESDAY...Southwest winds 10 knots or less becoming south. Partly cloudy. Waves 1 foot or less. .THURSDAY...South winds 5 to 15 knots becoming southwest. A chance of showers and thunderstorms. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ043-232100- Hamlin Beach to Sodus Bay along Lake Ontario including Irondequoit Bay- 1003 AM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...Southwest winds 15 to 25 knots becoming west. A chance of waterspouts. A chance of showers late this morning, then a chance of showers and thunderstorms early this afternoon. Showers likely with a chance of thunderstorms late. Waves 1 to 3 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .TONIGHT...West winds 15 to 20 knots becoming southwest. A chance of waterspouts. Showers likely with a chance of thunderstorms in the evening, then a chance of showers overnight. Waves 3 to 6 feet. Waves occasionally around 7 feet. .MONDAY...Southwest winds 15 to 25 knots. A chance of waterspouts. Showers likely. Waves 2 to 4 feet building to 4 to 7 feet. Waves occasionally around 9 feet. .MONDAY NIGHT...Southwest winds 15 to 25 knots becoming west. A chance of waterspouts. Showers likely in the evening, then showers overnight. Waves 3 to 6 feet. Waves occasionally around 7 feet. .TUESDAY...West winds 15 to 20 knots diminishing to 5 to 15 knots. A chance of waterspouts during the day. Showers during the day. Waves 3 to 6 feet subsiding to 2 feet or less. Waves occasionally around 7 feet. .WEDNESDAY...West winds 5 to 10 knots becoming south. Mainly clear, then becoming partly cloudy. Waves 1 foot or less. .THURSDAY...South winds 5 to 10 knots becoming southwest. A chance of showers and thunderstorms during the day, then showers likely with a chance of thunderstorms Thursday night. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. The water temperature off Rochester is 60 degrees. $$ LOZ044-232100- Sodus Bay to Mexico Bay along Lake Ontario- 1003 AM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...Southwest winds 10 to 15 knots becoming west 15 to 20 knots. A chance of waterspouts. A chance of showers and thunderstorms late this morning, then showers likely with a chance of thunderstorms this afternoon. Waves 1 to 3 feet building to 2 to 4 feet. .TONIGHT...West winds 15 to 20 knots becoming southwest. A chance of waterspouts. Showers with a chance of thunderstorms in the evening, then showers likely overnight. Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves occasionally around 9 feet. .MONDAY...Southwest winds 15 to 25 knots. A chance of waterspouts. Showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 3 to 6 feet buildingto 4 to 7 feet. Waves occasionally around 9 feet. .MONDAY NIGHT...Southwest winds 15 to 25 knots becoming west. A chance of waterspouts. Showers with a chance of thunderstorms in the evening, then showers overnight. Waves 5 to 8 feet. Waves occasionally around 10 feet. .TUESDAY...West winds 15 to 20 knots diminishing to 5 to 15 knots. A chance of waterspouts during the day. Showers during the day. Waves 3 to 6 feet subsiding to 1 to 3 feet. Waves occasionally around 7 feet. .WEDNESDAY...West winds 10 knots or less becoming southeast. Mainly clear, then becoming partly cloudy. Waves 1 foot or less. .THURSDAY...South winds 5 to 15 knots. A chance of showers and thunderstorms during the day, then showers likely with a chance of thunderstorms Thursday night. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ045-232100- Mexico Bay to the Saint Lawrence River along Lake Ontario- 1003 AM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...Southwest winds 15 to 20 knots. A chance of waterspouts. A chance of showers and thunderstorms late this morning, then showers with a chance of thunderstorms this afternoon. Waves 2 to 4 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .TONIGHT...Southwest winds 15 to 25 knots. A chance of waterspouts. Showers with a chance of thunderstorms in the evening, then showers overnight. Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves occasionally around 9 feet. .MONDAY...Southwest winds 15 to 25 knots. A chance of waterspouts. Showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 3 to 6 feet building to 5 to 8 feet. Waves occasionally around 10 feet. .MONDAY NIGHT...Southwest winds 15 to 25 knots becoming west. A chance of waterspouts. Showers with a chance of thunderstorms in the evening, then showers overnight. Waves 5 to 8 feet subsiding to 3 to 6 feet. Waves occasionally around 10 feet. .TUESDAY...West winds 15 to 20 knots diminishing to 5 to 15 knots. A chance of waterspouts during the day. Showers during the day. Waves 3 to 6 feet subsiding to 1 to 3 feet. Waves occasionally around 7 feet. .WEDNESDAY...West winds 10 knots or less becoming southeast 10 to 15 knots. Mainly clear, then becoming partly cloudy. Waves 2 feet or less. .THURSDAY...South winds 10 to 15 knots. A chance of showers and thunderstorms during the day, then showers likely with a chance of thunderstorms Thursday night. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$