FZUS51 KBUF 131403 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 1003 AM 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-LOZ030-132100- Upper Niagara River and Buffalo Harbor-Lower Niagara River- 1003 AM EDT Wed May 13 2026 .REST OF TODAY...Southwest winds 10 to 15 knots. A chance of showers. .TONIGHT...West winds 5 to 15 knots. Cloudy. .THURSDAY...West winds 5 to 10 knots becoming northwest. A chance of showers. .THURSDAY NIGHT...Northwest winds less than 10 knots. A chance of showers in the evening. .FRIDAY...West winds 10 knots or less becoming south. Partly cloudy. .SATURDAY...Southwest winds 5 to 15 knots. Becoming mainly clear. .SUNDAY...Light and variable winds. A chance of showers. The water temperature off Buffalo is 50 degrees. $$ LEZ040-041-132100- Buffalo to Ripley along Lake Erie- 1003 AM EDT Wed May 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF TODAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots. A chance of showers. Waves 2 to 4 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .TONIGHT...West winds 10 to 15 knots. A chance of showers overnight. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet. .THURSDAY...West winds 5 to 15 knots. A chance of showers. Waves 2 to 4 feet subsiding to 1 to 3 feet. .THURSDAY NIGHT...West winds less than 10 knots becoming northwest. A chance of showers in the evening. Waves 2 feet or less. .FRIDAY...West winds 10 knots or less becoming south. Partly cloudy. Waves 1 foot or less. .SATURDAY...South winds 5 to 15 knots becoming southwest. Becoming mainly clear. Waves 2 feet or less. .SUNDAY...West winds less than 10 knots. A chance of showers and thunderstorms. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ042-132100- Niagara River to Hamlin Beach along Lake Ontario- 1003 AM EDT Wed May 13 2026 .REST OF TODAY...Southwest winds 15 to 20 knots becoming west. Showers likely late this morning, then a chance of showers early this afternoon. Waves 1 to 3 feet building to 2 to 4 feet. .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...West winds 5 to 10 knots becoming northwest. A chance of showers. Waves 1 to 2 feet. .THURSDAY NIGHT...Northwest winds 5 to 10 knots. A chance of showers in the evening. Waves around 1 foot. .FRIDAY...West winds 5 to 15 knots becoming southwest. Partly cloudy. Waves 1 foot or less. .SATURDAY...Southwest winds 15 to 20 knots becoming west and diminishing to 5 to 10 knots. Becoming mainly clear. Waves 1 to 3 feet. .SUNDAY...Northwest winds 10 knots or less becoming east. A chance of showers. Waves 1 foot or less. $$ LOZ043-132100- Hamlin Beach to Sodus Bay along Lake Ontario including Irondequoit Bay- 1003 AM EDT Wed May 13 2026 .REST OF TODAY...South winds 15 to 20 knots becoming southwest 10 to 15 knots. Showers likely late this morning, then showers likely with a chance of thunderstorms early this afternoon. A chance of showers and thunderstorms late. Waves 2 feet or less. .TONIGHT...West winds 5 to 15 knots becoming southwest. Mostly cloudy. Waves 1 to 3 feet. .THURSDAY...Southwest winds 10 knots or less becoming northwest. A chance of showers. Waves 1 foot or less. .THURSDAY NIGHT...Northwest winds 5 to 10 knots. A chance of showers. Waves 2 feet or less. .FRIDAY...West winds 5 to 10 knots becoming south. A chance of showers during the day. Waves 2 feet or less. .SATURDAY...South winds 5 to 15 knots becoming west. Partly cloudy. Waves 2 feet or less. .SUNDAY...West winds 5 to 10 knots becoming east. A chance of showers. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. The water temperature off Rochester is 48 degrees. $$ LOZ044-132100- Sodus Bay to Mexico Bay along Lake Ontario- 1003 AM EDT Wed May 13 2026 .REST OF TODAY...South winds 15 to 20 knots becoming southwest 10 to 15 knots. A chance of showers late this morning, then showers with a chance of thunderstorms this afternoon. Waves 1 to 3 feet. .TONIGHT...Southwest winds 5 to 10 knots. A chance of showers in the evening. Waves 2 feet or less. .THURSDAY...Southwest winds less than 10 knots. Mostly cloudy in the morning, then becoming partly sunny. Waves 2 feet or less. .THURSDAY NIGHT...West winds 10 knots or less becoming northwest. A chance of showers. Waves 2 feet or less. .FRIDAY...Northwest winds 5 to 10 knots becoming south. A chance of showers during the day. Waves 2 feet or less. .SATURDAY...South winds 5 to 10 knots becoming west. A chance of showers. Waves 2 feet or less. .SUNDAY...West winds 10 knots or less becoming east. A chance of showers. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LOZ045-132100- Mexico Bay to the Saint Lawrence River along Lake Ontario- 1003 AM EDT Wed May 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM EDT THIS AFTERNOON... .REST OF TODAY...South winds 15 to 25 knots. Showers likely late this morning, then showers with a chance of thunderstorms this afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet. .TONIGHT...South winds 5 to 15 knots becoming southwest. A chance of showers and thunderstorms in the evening. Waves 1 to 3 feet. .THURSDAY...Southwest winds 10 knots or less becoming northwest. Mostly cloudy in the morning, then becoming partly sunny. Waves 2 feet or less. .THURSDAY NIGHT...West winds 10 knots or less becoming northwest. A chance of showers. Waves 1 foot or less. .FRIDAY...Northwest winds 5 to 15 knots becoming south. A chance of showers during the day. Waves 2 feet or less. .SATURDAY...South winds 10 to 15 knots becoming southwest. A chance of showers. Waves 2 feet or less. .SUNDAY...West winds 10 knots or less becoming east. Partly to mostly cloudy. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$