FZUS51 KBUF 130811 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 411 AM EDT Mon Apr 13 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. LEZ020-131500- Upper Niagara River and Buffalo Harbor- 411 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Southwest winds 15 to 25 knots. Showers this morning. .TONIGHT...Southwest winds 10 to 15 knots becoming south less than 10 knots. A chance of showers overnight. .TUESDAY...Southwest winds 5 to 15 knots. Showers with a chance of thunderstorms. .TUESDAY NIGHT...Southwest winds 5 to 15 knots. Showers likely with a chance of thunderstorms. .WEDNESDAY...Southwest winds 5 to 10 knots. Showers with a chance of thunderstorms. .THURSDAY...Southwest winds 5 to 10 knots. Showers. .FRIDAY...Southwest winds 10 knots or less becoming south. Mostly cloudy. Winds and waves higher in and near thunderstorms. The water temperature off Buffalo is 36 degrees. $$ LOZ030-131500- Lower Niagara River- 411 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Southwest winds 10 to 15 knots increasing to 15 to 25 knots. Showers this morning. .TONIGHT...Southwest winds 10 to 15 knots becoming southeast less than 10 knots. A chance of showers overnight. .TUESDAY...South winds 5 to 15 knots becoming southwest. Showers with a chance of thunderstorms. .TUESDAY NIGHT...Southwest winds 5 to 15 knots. Showers likely with a chance of thunderstorms. .WEDNESDAY...Southwest winds 5 to 10 knots becoming south. Showers with a chance of thunderstorms. .THURSDAY...Southwest winds 5 to 10 knots. Showers. .FRIDAY...Southwest winds 10 knots or less becoming south. Mostly cloudy. Winds and waves higher in and near thunderstorms. $$ LEZ040-041-131500- Buffalo to Ripley along Lake Erie- 411 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Southwest winds 15 to 25 knots. Showers this morning. Waves 2 to 4 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .TONIGHT...Southwest winds 10 to 15 knots becoming south 10 knots or less. A chance of showers overnight. Waves 2 to 4 feet subsiding to 1 to 3 feet. .TUESDAY...South winds 5 to 15 knots becoming southwest. Showers with a chance of thunderstorms. Waves 1 to 3 feet. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Showers with a chance of thunderstorms. Waves 1 to 3 feet. .WEDNESDAY...Southwest winds 5 to 10 knots. Showers with a chance of thunderstorms. Waves 2 feet or less. .THURSDAY...Southwest winds 5 to 15 knots. Showers. Waves 2 feet or less. .FRIDAY...Southwest winds 10 knots or less becoming south. Mostly cloudy. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ042-131500- Niagara River to Hamlin Beach along Lake Ontario- 411 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Southwest winds 15 to 25 knots. Showers this morning. Waves 1 to 3 feet building to 3 to 5 feet, then subsiding to 2 to 4 feet. Waves occasionally around 6 feet. .TONIGHT...Southwest winds 5 to 15 knots becoming east 10 knots or less. A chance of showers overnight. Waves 1 to 3 feet subsiding to 1 foot or less. .TUESDAY...Southeast winds 5 to 10 knots becoming southwest and increasing to 15 to 20 knots. Showers with a chance of thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet. .TUESDAY NIGHT...Southwest winds 15 to 20 knots diminishing to 10 to 15 knots. Showers likely with a chance of thunderstorms. Waves 2 to 4 feet subsiding to 1 to 3 feet. .WEDNESDAY...Southwest winds 5 to 15 knots becoming south. Showers likely with a chance of thunderstorms. Waves 2 feet or less. .THURSDAY...South winds 10 to 15 knots becoming southwest 15 to 20 knots. Showers likely. Waves 1 to 3 feet. .FRIDAY...West winds 5 to 15 knots becoming southeast. Mostly cloudy. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LOZ044-131500- Sodus Bay to Mexico Bay along Lake Ontario- 411 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...South winds 15 to 20 knots becoming southwest. A chance of showers early, then showers. Waves 1 to 3 feet building to 2 to 4 feet. .TONIGHT...West winds 10 to 15 knots becoming south less than 10 knots. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet. .TUESDAY...Southeast winds 10 knots or less becoming southwest. Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Showers with a chance of thunderstorms. Waves 2 feet or less. .WEDNESDAY...Southwest winds 10 knots or less becoming south. Showers likely with a chance of thunderstorms. Waves 2 feet or less. .THURSDAY...South winds 5 to 15 knots becoming southwest. Showers likely. Waves 2 feet or less. .FRIDAY...West winds 5 to 15 knots becoming south 10 knots or less. A chance of showers during the day. Waves 1 to 3 feet subsiding to 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ043-131500- Hamlin Beach to Sodus Bay along Lake Ontario including Irondequoit Bay- 411 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Southwest winds 15 to 20 knots becoming west. Showers through early afternoon. Waves 1 to 3 feet building to 2 to 4 feet. .TONIGHT...West winds 10 to 15 knots becoming southeast less than 10 knots. Mostly cloudy. Waves 1 to 3 feet subsiding to 1 foot or less. .TUESDAY...Southeast winds 5 to 15 knots becoming southwest. Showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 2 feet or less. .TUESDAY NIGHT...Southwest winds 15 to 20 knots diminishing to 5 to 15 knots. Showers with a chance of thunderstorms. Waves 2 feet or less. .WEDNESDAY...Southwest winds 5 to 10 knots. Showers likely with a chance of thunderstorms during the day, then showers likely Wednesday night. Waves 1 foot or less. .THURSDAY...South winds 5 to 15 knots becoming southwest. Showers likely. Waves 2 feet or less. .FRIDAY...West winds 5 to 15 knots becoming south 10 knots or less. Mostly cloudy. Waves 1 to 3 feet subsiding to 1 foot or less. Winds and waves higher in and near thunderstorms. The water temperature off Rochester is 40 degrees. $$ LOZ045-131500- Mexico Bay to the Saint Lawrence River along Lake Ontario- 411 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...South winds 15 to 20 knots becoming southwest. Showers through early afternoon, then a chance of showers late. Waves 2 to 4 feet. .TONIGHT...Southwest winds 5 to 15 knots becoming south less than 10 knots. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet. .TUESDAY...Southeast winds 10 knots or less becoming southwest 10 to 15 knots. Showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 2 feet or less. .TUESDAY NIGHT...Southwest winds 5 to 15 knots. Showers with a chance of thunderstorms in the evening, then showers likely overnight. Waves 1 to 3 feet. .WEDNESDAY...Southwest winds 5 to 10 knots becoming south. Showers likely with a chance of thunderstorms during the day, then showers likely Wednesday night. Waves 2 feet or less. .THURSDAY...South winds 5 to 15 knots becoming southwest. Showers. Waves 1 to 3 feet. .FRIDAY...Southwest winds 5 to 15 knots becoming southeast 10 knots or less. A chance of showers during the day. Waves 1 to 3 feet subsiding to 1 foot or less. Winds and waves higher in and near thunderstorms. $$