FZUS51 KBUF 130203 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 1003 PM EDT Tue May 12 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-LOZ030-130900- Upper Niagara River and Buffalo Harbor-Lower Niagara River- 1003 PM EDT Tue May 12 2026 .REST OF TONIGHT...Southeast winds 10 knots or less increasing to 10 to 15 knots. A chance of showers late this evening, then showers after midnight. .WEDNESDAY...South winds 10 to 15 knots becoming southwest. Showers in the morning, then a chance of showers in the afternoon. .WEDNESDAY NIGHT...West winds 5 to 15 knots. Mostly cloudy. .THURSDAY...West winds 5 to 10 knots becoming northwest. A chance of showers. .THURSDAY NIGHT...Northwest winds less than 10 knots. Mostly cloudy. .FRIDAY...Light and variable winds becoming south 5 to 10 knots. Partly to mostly cloudy. .SATURDAY...Southwest winds 5 to 15 knots becoming west. Becoming mainly clear. .SUNDAY...West winds less than 10 knots becoming southeast. Partly to mostly cloudy. The water temperature off Buffalo is 49 degrees. $$ LEZ040-041-130900- Buffalo to Ripley along Lake Erie- 1003 PM EDT Tue May 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... .REST OF TONIGHT...Southeast winds 5 to 15 knots becoming south 15 to 20 knots. A chance of showers late this evening, then showers after midnight. Waves 2 feet or less. .WEDNESDAY...South winds 15 to 20 knots becoming southwest. Showers. Waves 1 to 3 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .WEDNESDAY NIGHT...West winds 10 to 15 knots. Showers likely overnight. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally around 6 feet. .THURSDAY...West winds 5 to 10 knots becoming northwest. Showers likely in the morning, then a chance of showers in the afternoon. Waves 1 to 3 feet. .THURSDAY NIGHT...Northwest winds less than 10 knots. A chance of showers in the evening. Waves 1 foot or less. .FRIDAY...West winds 10 knots or less becoming south. Partly to mostly cloudy. Waves 1 foot or less. .SATURDAY...Southwest winds 5 to 15 knots. Becoming mainly clear. Waves 2 feet or less. .SUNDAY...Light and variable winds becoming southeast 5 to 10 knots. Partly to mostly cloudy. Waves 1 foot or less. $$ LOZ042-130900- Niagara River to Hamlin Beach along Lake Ontario- 1003 PM EDT Tue May 12 2026 .REST OF TONIGHT...East winds 5 to 15 knots becoming southeast. Showers. Waves 2 feet or less. .WEDNESDAY...South winds 15 to 20 knots becoming west. Showers in the morning, then a chance of showers in the afternoon. Waves 1 to 3 feet. .WEDNESDAY NIGHT...West winds 15 to 20 knots becoming southwest 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet. .THURSDAY...West winds 5 to 15 knots becoming northwest. Mostly cloudy. Waves 1 to 2 feet. .THURSDAY NIGHT...Northwest winds 5 to 10 knots. Mostly cloudy. Waves around 1 foot. .FRIDAY...West winds 5 to 15 knots becoming southwest. Partly to mostly cloudy. Waves 2 feet or less. .SATURDAY...Southwest winds 15 to 20 knots becoming west 10 to 15 knots. Becoming mainly clear. Waves 1 to 3 feet building to 2 to 4 feet, then subsiding to 1 to 3 feet. .SUNDAY...West winds 10 knots or less becoming east. Partly cloudy, then becoming mostly cloudy. Waves 2 feet or less. $$ LOZ043-130900- Hamlin Beach to Sodus Bay along Lake Ontario including Irondequoit Bay- 1003 PM EDT Tue May 12 2026 .REST OF TONIGHT...East winds less than 10 knots becoming southeast 10 to 15 knots. Showers. Waves 2 feet or less. .WEDNESDAY...Southeast winds 15 to 20 knots becoming southwest 10 to 15 knots. Showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .WEDNESDAY NIGHT...West winds 5 to 15 knots becoming southwest. A chance of showers in the evening. Waves 1 to 3 feet. .THURSDAY...Southwest winds 5 to 10 knots becoming northwest. Mostly cloudy in the morning, then becoming partly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northwest winds 5 to 10 knots. Mostly cloudy. Waves 1 to 2 feet. .FRIDAY...Northwest winds 5 to 10 knots becoming southwest. Mostly cloudy. Waves 2 feet or less. .SATURDAY...South winds 10 to 15 knots becoming west. Partly cloudy, then becoming mainly clear. Waves 1 foot or less building to 1 to 3 feet. .SUNDAY...West winds 5 to 15 knots becoming southeast 10 knots or less. Partly to mostly cloudy. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. The water temperature off Rochester is 49 degrees. $$ LOZ044-130900- Sodus Bay to Mexico Bay along Lake Ontario- 1003 PM EDT Tue May 12 2026 .REST OF TONIGHT...East winds 10 knots or less becoming southeast 10 to 15 knots. A chance of showers late this evening, then showers after midnight. Waves 2 feet or less. .WEDNESDAY...Southeast winds 15 to 20 knots becoming southwest 10 to 15 knots. Showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Showers likely in the evening, then a chance of showers overnight. Waves 2 feet or less. .THURSDAY...Southwest winds 10 knots or less becoming northwest. Partly sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...Northwest winds 5 to 10 knots. Mostly cloudy. Waves 1 to 2 feet. .FRIDAY...Northwest winds 10 knots or less becoming south. Mostly cloudy. Waves 2 feet or less. .SATURDAY...South winds 5 to 15 knots becoming west. A chance of showers and thunderstorms. Waves 1 to 3 feet. .SUNDAY...West winds 5 to 15 knots becoming southeast 10 knots or less. Partly to mostly cloudy. Waves 1 to 3 feet subsiding to 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ045-130900- Mexico Bay to the Saint Lawrence River along Lake Ontario- 1003 PM EDT Tue May 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT WEDNESDAY THROUGH WEDNESDAY AFTERNOON... .REST OF TONIGHT...Southeast winds 10 knots or less increasing to 10 to 15 knots. A chance of showers after midnight. Showers late. Waves 2 feet or less. .WEDNESDAY...Southeast winds 15 to 25 knots becoming south. Showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet. .WEDNESDAY NIGHT...South winds 5 to 15 knots becoming southwest. Showers with a chance of thunderstorms in the evening, then a chance of showers overnight. Waves 2 feet or less. .THURSDAY...Southwest winds 10 knots or less becoming west. Partly sunny. Waves 2 feet or less. .THURSDAY NIGHT...Northwest winds 10 knots or less becoming north. Mostly cloudy. Waves 1 foot or less. .FRIDAY...North winds 5 to 10 knots becoming south. Mostly cloudy. Waves 1 foot or less. .SATURDAY...South winds 10 to 15 knots becoming west. A chance of showers. Waves 1 to 3 feet. .SUNDAY...West winds 5 to 10 knots becoming southeast. Partly to mostly cloudy. Waves 1 to 3 feet subsiding to 1 foot or less. Winds and waves higher in and near thunderstorms. $$