FZUS51 KBUF 132003 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 403 PM EDT Wed May 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-LOZ030-140300- Upper Niagara River and Buffalo Harbor-Lower Niagara River- 403 PM EDT Wed May 13 2026 .TONIGHT...West winds 10 to 15 knots. A chance of showers late. .THURSDAY...West winds 5 to 10 knots becoming northwest. A chance of showers. .THURSDAY NIGHT...Northwest winds 10 knots or less. A chance of showers. .FRIDAY...Northwest winds 10 knots or less becoming southwest. Partly to mostly sunny. .FRIDAY NIGHT...Southwest winds 10 knots or less becoming south. Partly cloudy. .SATURDAY...Southwest winds 5 to 15 knots diminishing to less than 10 knots. A chance of showers Saturday night. .SUNDAY...West winds less than 10 knots. A chance of showers during the day. .MONDAY...Southeast winds 10 knots or less becoming south. Partly to mostly cloudy. The water temperature off Buffalo is 50 degrees. $$ LEZ040-041-140300- Buffalo to Ripley along Lake Erie- 403 PM EDT Wed May 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .TONIGHT...West winds 15 to 20 knots. A chance of showers late. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally around 6 feet. .THURSDAY...West winds 5 to 15 knots becoming northwest. A chance of showers. Waves 1 to 3 feet. .THURSDAY NIGHT...Northwest winds 5 to 10 knots. A chance of showers. Waves 2 feet or less. .FRIDAY...West winds 10 knots or less. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest winds 10 knots or less becoming south. Partly cloudy. Waves 1 foot or less. .SATURDAY...South winds 5 to 10 knots becoming southwest. A chance of showers. Waves 2 feet or less. .SUNDAY...Southwest winds less than 10 knots. A chance of showers during the day. Waves 1 foot or less. .MONDAY...South winds 10 knots or less. Partly cloudy. Waves 1 foot or less. $$ LOZ042-140300- Niagara River to Hamlin Beach along Lake Ontario- 403 PM EDT Wed May 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT THURSDAY... .TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of showers late. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet. .THURSDAY...West winds 5 to 15 knots becoming northwest. A chance of showers. Waves 1 to 3 feet. .THURSDAY NIGHT...Northwest winds 5 to 10 knots. A chance of showers in the evening. Waves 1 to 2 feet. .FRIDAY...Northwest winds 5 to 10 knots becoming west. Mostly sunny. Waves 1 to 2 feet. .FRIDAY NIGHT...Southwest winds 5 to 15 knots becoming south. Partly to mostly cloudy. Waves 2 feet or less. .SATURDAY...Southwest winds 15 to 20 knots becoming west and diminishing to 5 to 10 knots. A chance of showers Saturday night. Waves 1 to 3 feet. .SUNDAY...West winds 10 knots or less becoming east. A chance of showers during the day. Waves 1 foot or less. .MONDAY...East winds 5 to 15 knots becoming southwest. Partly to mostly cloudy. Waves 2 feet or less. $$ LOZ043-140300- Hamlin Beach to Sodus Bay along Lake Ontario including Irondequoit Bay- 403 PM EDT Wed May 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...West winds 15 to 20 knots becoming southwest 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet. .THURSDAY...Southwest winds 5 to 10 knots becoming northwest. A chance of showers. Waves 2 feet or less. .THURSDAY NIGHT...Northwest winds 5 to 15 knots. A chance of showers. Waves 1 to 2 feet. .FRIDAY...West winds 5 to 15 knots. A chance of showers in the morning. Waves 1 to 2 feet. .FRIDAY NIGHT...Southwest winds 5 to 10 knots becoming south. Partly to mostly cloudy. Waves 1 foot or less. .SATURDAY...South winds 5 to 15 knots becoming west. A chance of showers Saturday night. Waves 2 feet or less. .SUNDAY...West winds 10 knots or less becoming southeast. A chance of showers during the day. Waves 1 foot or less. .MONDAY...Southeast winds 5 to 10 knots becoming south. Partly cloudy. Waves 1 foot or less. The water temperature off Rochester is 48 degrees. $$ LOZ044-140300- Sodus Bay to Mexico Bay along Lake Ontario- 403 PM EDT Wed May 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... .TONIGHT...West winds 5 to 15 knots becoming southwest. A chance of showers early. Waves 1 to 3 feet building to 2 to 4 feet, then subsiding to 1 to 3 feet. .THURSDAY...South winds 10 knots or less becoming northwest. Mostly cloudy in the morning, then becoming partly sunny. Waves 1 to 3 feet. .THURSDAY NIGHT...Northwest winds 5 to 15 knots. A chance of showers. Waves 1 to 2 feet. .FRIDAY...Northwest winds 5 to 15 knots becoming west. A chance of showers in the morning. Waves 1 to 2 feet. .FRIDAY NIGHT...Southwest winds 10 knots or less becoming south. Partly to mostly cloudy. Waves 1 foot or less. .SATURDAY...South winds 5 to 10 knots becoming southwest. A chance of showers Saturday night. Waves 2 feet or less. .SUNDAY...West winds 10 knots or less becoming east. A chance of showers during the day. Waves 2 feet or less. .MONDAY...Southeast winds 5 to 15 knots becoming south. Partly cloudy. Waves 1 foot or less. $$ LOZ045-140300- Mexico Bay to the Saint Lawrence River along Lake Ontario- 403 PM EDT Wed May 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .TONIGHT...Southwest winds 10 to 15 knots. Showers likely early. Waves 1 to 3 feet building to 2 to 4 feet. .THURSDAY...South winds 10 knots or less becoming northwest. Mostly cloudy in the morning, then becoming partly sunny. Waves 1 to 3 feet subsiding to 1 foot or less. .THURSDAY NIGHT...Northwest winds 5 to 10 knots becoming north. A chance of showers. Waves 2 feet or less. .FRIDAY...North winds 5 to 10 knots becoming west. A chance of showers in the morning. Waves 2 feet or less. .FRIDAY NIGHT...Southwest winds 5 to 15 knots becoming south. Partly cloudy. Waves 2 feet or less. .SATURDAY...South winds 10 to 15 knots becoming southwest. A chance of showers Saturday night. Waves 2 feet or less. .SUNDAY...West winds 10 knots or less becoming east. A chance of showers during the day. Waves 2 feet or less. .MONDAY...Southeast winds 5 to 15 knots becoming south 15 to 20 knots. A chance of showers Monday night. Waves 1 foot or less building to 1 to 3 feet. $$