FZUS51 KBUF 050812 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 412 AM EDT Sun Apr 5 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. LEZ020-051500- Upper Niagara River and Buffalo Harbor- 412 AM EDT Sun Apr 5 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...Southwest winds 10 to 15 knots becoming west 15 to 20 knots. A chance of rain showers this afternoon. .TONIGHT...West winds 5 to 15 knots. A chance of rain and snow showers in the evening. .MONDAY...West winds 5 to 10 knots. A chance of snow and rain showers in the morning, then a chance of rain showers in the afternoon. .MONDAY NIGHT...Southwest winds 5 to 10 knots becoming northwest. Rain and snow showers likely in the evening, then snow showers overnight. .TUESDAY...Northwest winds 10 to 15 knots becoming light and variable. Snow showers likely during the day. .WEDNESDAY...Southeast winds less than 10 knots becoming south and increasing to 15 to 20 knots. Partly to mostly cloudy. .THURSDAY...South winds 15 to 20 knots becoming southwest 10 to 15 knots. A chance of showers. The water temperature off Buffalo is 33 degrees. $$ LOZ030-051500- Lower Niagara River- 412 AM EDT Sun Apr 5 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...West winds 10 to 15 knots increasing to 15 to 20 knots. A chance of showers this afternoon. .TONIGHT...West winds 5 to 15 knots. A chance of rain showers in the evening. .MONDAY...West winds 5 to 10 knots. A chance of rain and snow showers in the morning, then a chance of rain showers in the afternoon. .MONDAY NIGHT...West winds 5 to 15 knots becoming northwest. Rain and snow showers likely in the evening, then snow showers likely overnight. .TUESDAY...Northwest winds 10 to 15 knots becoming light and variable. Snow showers likely during the day. .WEDNESDAY...South winds 10 knots or less increasing to 15 to 20 knots. Partly to mostly cloudy. .THURSDAY...South winds 15 to 20 knots becoming southwest 10 to 15 knots. A chance of showers. $$ LEZ040-041-051500- Buffalo to Ripley along Lake Erie- 412 AM EDT Sun Apr 5 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...Southwest winds 15 to 20 knots becoming west. A chance of rain showers late. Waves in ice free areas 3 to 6 feet. Waves in ice free areas occasionally around 7 feet. .TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of rain and snow showers in the evening. Waves 3 to 6 feet subsiding to 1 to 3 feet. Waves occasionally around 7 feet. .MONDAY...West winds 5 to 10 knots. A chance of snow and rain showers. Waves 2 feet or less. .MONDAY NIGHT...West winds 5 to 15 knots becoming northwest 15 to 20 knots. Snow showers with rain showers likely in the evening, then snow showers overnight. Waves 1 to 3 feet building to 2 to 4 feet. .TUESDAY...Northwest winds 15 to 20 knots becoming light and variable. Snow showers likely during the day. Waves 3 to 5 feet subsiding to 1 foot or less. Waves occasionally around 6 feet. .WEDNESDAY...Southeast winds less than 10 knots becoming south and increasing to 15 to 25 knots. Partly cloudy. Waves 1 foot or less building to 2 to 4 feet. .THURSDAY...South winds 15 to 25 knots diminishing to 10 to 15 knots. A chance of showers Thursday night. Waves 2 to 4 feet subsiding to 1 to 3 feet. Wave heights are for ice free areas. $$ LOZ042-051500- Niagara River to Hamlin Beach along Lake Ontario- 412 AM EDT Sun Apr 5 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West winds 15 to 25 knots. A chance of rain showers late. Waves 2 to 4 feet building to 3 to 6 feet. Waves occasionally around 7 feet. .TONIGHT...West winds 15 to 25 knots. Mostly cloudy. Waves 3 to 6 feet building to 4 to 7 feet, then subsiding to 3 to 6 feet. Waves occasionally around 9 feet. .MONDAY...West winds 15 to 20 knots diminishing to 5 to 15 knots. A chance of rain and snow showers in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally around 6 feet. .MONDAY NIGHT...Northwest winds 5 to 15 knots increasing to 15 to 20 knots. Snow showers with rain showers likely. Waves 1 to 2 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .TUESDAY...Northwest winds 15 to 25 knots becoming west and diminishing to 5 to 15 knots. Snow showers likely during the day. Waves 4 to 6 feet subsiding to 1 to 3 feet. Waves occasionally around 7 feet. .WEDNESDAY...South winds 5 to 15 knots increasing to 15 to 25 knots. Partly to mostly cloudy. Waves 1 to 3 feet. .THURSDAY...South winds 15 to 25 knots becoming southwest. A chance of showers. Waves 2 to 4 feet building to 3 to 5 feet, then subsiding to 1 to 3 feet. Waves occasionally around 6 feet. $$ LOZ043-051500- Hamlin Beach to Sodus Bay along Lake Ontario including Irondequoit Bay- 412 AM EDT Sun Apr 5 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .TODAY...West winds 15 to 25 knots. Rain showers likely early. A chance of rain showers 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. A chance of rain showers in the evening. Waves 5 to 8 feet. Waves occasionally around 10 feet. .MONDAY...West winds 15 to 20 knots diminishing to 5 to 15 knots. A chance of rain showers in the afternoon. Waves 4 to 7 feet subsiding to 1 to 3 feet. Waves occasionally around 9 feet. .MONDAY NIGHT...West winds 5 to 10 knots becoming northwest and increasing to 15 to 20 knots. Snow showers with rain showers likely. Waves 1 to 3 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .TUESDAY...Northwest winds 15 to 25 knots becoming west and diminishing to 5 to 10 knots. Snow showers likely during the day. Waves 4 to 7 feet subsiding to 1 to 3 feet. Waves occasionally around 9 feet. .WEDNESDAY...South winds 5 to 10 knots increasing to 15 to 25 knots. Mainly clear, then becoming mostly cloudy. Waves 2 feet or less building to 2 to 4 feet. .THURSDAY...South winds 15 to 25 knots becoming southwest. A chance of showers. Waves 2 to 4 feet subsiding to 1 to 3 feet. The water temperature off Rochester is 40 degrees. $$ LOZ044-051500- Sodus Bay to Mexico Bay along Lake Ontario- 412 AM EDT Sun Apr 5 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .TODAY...West winds 15 to 25 knots. Rain showers early. Waves 1 to 3 feet building to 4 to 7 feet. Waves occasionally around 9 feet. .TONIGHT...West winds 15 to 25 knots. A chance of rain showers in the evening. Waves 5 to 9 feet. Waves occasionally around 11 feet. .MONDAY...West winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of rain and snow showers in the morning. Waves 4 to 7 feet subsiding to 2 to 4 feet. Waves occasionally around 9 feet. .MONDAY NIGHT...West winds 5 to 15 knots becoming northwest 15 to 20 knots. A chance of rain and snow showers in the evening, then snow and rain showers likely overnight. Waves 1 to 3 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .TUESDAY...Northwest winds 15 to 25 knots becoming west and diminishing to 10 to 15 knots. Snow showers likely during the day. Waves 4 to 7 feet subsiding to 2 to 4 feet. Waves occasionally around 9 feet. .WEDNESDAY...South winds 5 to 10 knots increasing to 15 to 25 knots. Mainly clear, then becoming partly cloudy. Waves 2 feet or less building to 2 to 4 feet. .THURSDAY...South winds to 30 knots diminishing to 15 to 20 knots. A chance of showers Thursday night. Waves 2 to 4 feet subsiding to 1 to 3 feet. $$ LOZ045-051500- Mexico Bay to the Saint Lawrence River along Lake Ontario- 412 AM EDT Sun Apr 5 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .TODAY...Southwest winds 15 to 25 knots. Patchy fog early. Rain showers early. Waves 2 to 4 feet building to 4 to 7 feet. Waves occasionally around 9 feet. .TONIGHT...West winds 15 to 25 knots. A chance of rain and snow showers overnight. Waves 5 to 9 feet. Waves occasionally around 11 feet. .MONDAY...West winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of snow and rain showers in the morning. Waves 4 to 7 feet subsiding to 1 to 3 feet. Waves occasionally around 9 feet. .MONDAY NIGHT...West winds 5 to 10 knots becoming north and increasing to 15 to 20 knots. A chance of rain and snow showers in the evening, then snow showers likely overnight. Waves 1 to 3 feet building to 2 to 4 feet. .TUESDAY...North winds 15 to 25 knots becoming west and diminishing to 5 to 15 knots. A chance of snow showers during the day. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally around 6 feet. .WEDNESDAY...Southwest winds 5 to 10 knots becoming south and increasing to 30 knots. Mainly clear, then becoming partly cloudy. Waves 2 feet or less building to 4 to 7 feet. Waves occasionally around 9 feet. .THURSDAY...South winds to 30 knots diminishing to 15 to 25 knots. A chance of rain showers. Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves occasionally around 9 feet. $$