FZUS51 KBUF 181404 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 1004 AM EDT Sat Jul 18 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. LEZ020-182100- Upper Niagara River and Buffalo Harbor- 1004 AM EDT Sat Jul 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... .REST OF TODAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots. Showers with a chance of thunderstorms this afternoon. Some thunderstorms may produce gusty winds this afternoon. .TONIGHT...West winds 5 to 15 knots becoming north less than 10 knots. A chance of showers and thunderstorms in the evening. Some thunderstorms may produce gusty winds in the evening. .SUNDAY...North winds 10 knots or less becoming northwest. Sunny. .SUNDAY NIGHT...Light and variable winds. Mainly clear. .MONDAY...South winds 10 knots or less. A chance of showers Monday night. .TUESDAY...Southwest winds 5 to 15 knots becoming west. Showers with a chance of thunderstorms. .WEDNESDAY...West winds 10 knots or less. A chance of showers. Winds and waves higher in and near thunderstorms. The water temperature off Buffalo is 75 degrees. $$ LOZ030-182100- Lower Niagara River- 1004 AM EDT Sat Jul 18 2026 .REST OF TODAY...Southwest winds 10 to 15 knots. Showers with a chance of thunderstorms this afternoon. Some thunderstorms may produce gusty winds this afternoon. .TONIGHT...West winds 5 to 15 knots becoming north. Mostly cloudy in the evening, then clearing. .SUNDAY...North winds 10 knots or less becoming northwest. Sunny. .SUNDAY NIGHT...Light and variable winds. Mainly clear. .MONDAY...South winds 10 knots or less. A chance of showers Monday night. .TUESDAY...Southwest winds 15 to 20 knots becoming west 5 to 15 knots. Showers with a chance of thunderstorms. .WEDNESDAY...West winds 5 to 15 knots. A chance of showers. Winds and waves higher in and near thunderstorms. $$ LEZ040-041-182100- Buffalo to Ripley along Lake Erie- 1004 AM EDT Sat Jul 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING... .REST OF TODAY...Southwest winds 15 to 20 knots. Showers with a chance of thunderstorms this afternoon. Some thunderstorms may produce gusty winds this afternoon. Waves 2 to 4 feet building to 3 to 6 feet. Waves occasionally around 7 feet. .TONIGHT...West winds 15 to 20 knots becoming north 5 to 15 knots. A chance of showers and thunderstorms in the evening. Some thunderstorms may produce gusty winds in the evening. Waves 3 to 6 feet subsiding to 1 to 3 feet. Waves occasionally around 7 feet. .SUNDAY...North winds 10 knots or less becoming northwest. Sunny. Waves 2 feet or less. .SUNDAY NIGHT...Light and variable winds. Mainly clear. Waves 1 foot or less. .MONDAY...South winds less than 10 knots increasing to 10 to 15 knots. A chance of showers Monday night. Waves 2 feet or less. .TUESDAY...South winds 15 to 20 knots becoming west 10 to 15 knots. Showers with a chance of thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet. .WEDNESDAY...West winds 5 to 15 knots becoming northwest. A chance of showers. Waves 1 to 3 feet building to 2 to 4 feet, then subsiding to 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LOZ042-182100- Niagara River to Hamlin Beach along Lake Ontario- 1004 AM EDT Sat Jul 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... .REST OF TODAY...Southwest winds 15 to 20 knots. A chance of showers and thunderstorms late this morning, then showers with a chance of thunderstorms this afternoon. Some thunderstorms may produce gusty winds this afternoon. Waves 2 to 4 feet. .TONIGHT...West winds 15 to 20 knots becoming north 10 to 15 knots. Mostly cloudy in the evening, then clearing. Waves 2 to 4 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .SUNDAY...North winds 5 to 15 knots becoming west. Sunny. Waves 1 to 3 feet subsiding to 1 foot or less. .SUNDAY NIGHT...West winds 10 knots or less becoming southwest. Mainly clear. Waves 1 foot or less. .MONDAY...Southwest winds 10 knots or less becoming south 10 to 15 knots. A chance of showers Monday night. Waves 2 feet or less. .TUESDAY...South winds 15 to 20 knots becoming west. Showers with a chance of thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet. .WEDNESDAY...West winds 15 to 20 knots. A chance of showers. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet. Winds and waves higher in and near thunderstorms. $$ LOZ043-182100- Hamlin Beach to Sodus Bay along Lake Ontario including Irondequoit Bay- 1004 AM EDT Sat Jul 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH SUNDAY MORNING... .REST OF TODAY...Southwest winds 15 to 25 knots. Areas of smoke late this morning. A chance of showers and thunderstorms late this morning, then showers with a chance of thunderstorms this afternoon. Some thunderstorms may produce gusty winds this afternoon. Waves 1 to 3 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .TONIGHT...West winds 15 to 20 knots becoming north. A chance of showers and thunderstorms in the evening. Some thunderstorms may produce gusty winds in the evening. Waves 3 to 6 feet. Waves occasionally around 7 feet. .SUNDAY...North winds 15 to 20 knots becoming west 5 to 15 knots. Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet. .SUNDAY NIGHT...West winds 10 knots or less becoming southwest. Mainly clear. Waves 2 feet or less. .MONDAY...Southwest winds less than 10 knots becoming south 10 to 15 knots. A chance of showers Monday night. Waves 2 feet or less. .TUESDAY...South winds 15 to 20 knots becoming west. Showers with a chance of thunderstorms. Waves 2 feet or less building to 2 to 4 feet. .WEDNESDAY...West winds 15 to 20 knots. A chance of showers and thunderstorms. Waves 3 to 5 feet. Waves occasionally around 6 feet. Winds and waves higher in and near thunderstorms. The water temperature off Rochester is 69 degrees. $$ LOZ044-182100- Sodus Bay to Mexico Bay along Lake Ontario- 1004 AM EDT Sat Jul 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH SUNDAY MORNING... .REST OF TODAY...South winds 10 to 15 knots becoming southwest 15 to 20 knots. Areas of smoke. Showers likely with a chance of thunderstorms late this morning, then showers with thunderstorms likely this afternoon. Some thunderstorms may produce gusty winds this afternoon. Waves 2 feet or less building to 2 to 4 feet. .TONIGHT...West winds 15 to 20 knots becoming north. A chance of showers and thunderstorms in the evening. Some thunderstorms may produce gusty winds in the evening. Waves 3 to 6 feet. Waves occasionally around 7 feet. .SUNDAY...North winds 15 to 20 knots becoming west 10 to 15 knots. Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet. .SUNDAY NIGHT...West winds 5 to 15 knots becoming southwest less than 10 knots. Mainly clear. Waves 1 to 2 feet. .MONDAY...Southwest winds 10 knots or less becoming south and increasing to 15 to 20 knots. Mainly clear, then becoming mostly cloudy. Waves 2 feet or less. .TUESDAY...South winds 15 to 20 knots becoming southwest 10 to 15 knots. Showers with a chance of thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet. .WEDNESDAY...West winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of showers and thunderstorms. Waves 3 to 5 feet. Waves occasionally around 6 feet. Winds andwaves higher in and near thunderstorms. $$ LOZ045-182100- Mexico Bay to the Saint Lawrence River along Lake Ontario- 1004 AM EDT Sat Jul 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...South winds 15 to 20 knots becoming southwest. Areas of smoke. Showers with a chance of thunderstorms late this morning, then showers with thunderstorms likely this afternoon. Some thunderstorms may produce gusty winds this afternoon. Waves 2 to 4 feet. .TONIGHT...West winds 15 to 20 knots becoming north. A chance of showers and thunderstorms in the evening. Some thunderstorms may produce gusty winds in the evening. Waves 3 to 6 feet. Waves occasionally around 7 feet. .SUNDAY...North winds 15 to 20 knots becoming west 5 to 15 knots. Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet. .SUNDAY NIGHT...West winds 5 to 15 knots becoming southwest less than 10 knots. Mainly clear. Waves 2 feet or less. .MONDAY...Southwest winds 5 to 10 knots becoming south and increasing to 15 to 20 knots. Mainly clear, then becoming mostly cloudy. Waves 1 foot or less building to 2 to 4 feet. .TUESDAY...South winds 15 to 25 knots becoming southwest. Showers with a chance of thunderstorms. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet. .WEDNESDAY...West winds 15 to 20 knots diminishing to 10 to 15 knots. Showers likely with a chance of thunderstorms during the day, then a chance of showers and thunderstorms Wednesday night. Waves 3 to 5 feet. Waves occasionally around 6 feet. Winds and waves higher in and near thunderstorms. $$