FZUS51 KBUF 211402 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 1002 AM EDT Wed May 21 2025 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. LEZ020-212100- Upper Niagara River and Buffalo Harbor- 1002 AM EDT Wed May 21 2025 .REST OF TODAY...East winds 10 to 15 knots becoming southeast. Occasional rain. .TONIGHT...Southeast winds 10 to 15 knots becoming east. Rain. .THURSDAY...Southeast winds 10 to 15 knots becoming south. Rain. .THURSDAY NIGHT...South winds 5 to 10 knots becoming west. Rain. .FRIDAY...West winds 5 to 10 knots. Rain likely. .SATURDAY...West winds 10 knots or less. A chance of showers. .SUNDAY...West winds 10 knots or less becoming northwest. Partly cloudy. The water temperature off Buffalo is 53 degrees. $$ LOZ030-212100- Lower Niagara River- 1002 AM EDT Wed May 21 2025 .REST OF TODAY...East winds 10 to 15 knots. Occasional rain. .TONIGHT...East winds 10 to 15 knots increasing to 15 to 20 knots. Rain. .THURSDAY...Southeast winds 10 to 15 knots. Rain. .THURSDAY NIGHT...Southeast winds 5 to 10 knots becoming northwest. Rain. .FRIDAY...Northwest winds 5 to 10 knots becoming west. Rain likely. .SATURDAY...West winds 5 to 10 knots. A chance of showers. .SUNDAY...West winds 10 knots or less becoming northwest. Partly cloudy. $$ LEZ040-212100- Ripley to Dunkirk along Lake Erie- 1002 AM EDT Wed May 21 2025 .REST OF TODAY...East winds 10 to 15 knots becoming southeast. Occasional rain. Waves 2 feet or less. .TONIGHT...Southeast winds 10 to 15 knots becoming south. Occasional rain. Waves 1 foot or less. .THURSDAY...South winds around 10 knots becoming southwest. Rain. Waves 2 feet or less building to 2 to 3 feet. .THURSDAY NIGHT...West winds 10 to 15 knots. Rain likely. Waves 2 to 3 feet. .FRIDAY...West winds 10 to 15 knots. Rain likely during the day, then a chance of rain Friday night. Waves 2 to 3 feet. .SATURDAY...Northwest winds 5 to 15 knots becoming west. A chance of showers. Waves 1 to 3 feet. .SUNDAY...West winds 5 to 10 knots becoming north. Partly cloudy. Waves around 1 foot. $$ LEZ041-212100- Dunkirk to Buffalo along Lake Erie- 1002 AM EDT Wed May 21 2025 .REST OF TODAY...East winds around 10 knots increasing to 15 to 20 knots. Occasional rain. Waves 2 feet or less. .TONIGHT...Southeast winds 10 to 15 knots. Occasional rain. Waves 2 feet or less. .THURSDAY...Southeast winds 5 to 15 knots becoming southwest. Rain. Waves 1 to 3 feet. .THURSDAY NIGHT...Southwest winds 5 to 15 knots becoming west. Rain. Waves 1 to 3 feet. .FRIDAY...West winds 5 to 15 knots. Rain likely. Waves 1 to 3 feet. .SATURDAY...West winds 5 to 15 knots. A chance of showers. Waves 2 feet or less. .SUNDAY...West winds 10 knots or less becoming northwest. Partly cloudy. Waves 1 foot or less. $$ LOZ042-212100- Niagara River to Hamlin Beach along Lake Ontario- 1002 AM EDT Wed May 21 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...East winds 15 to 20 knots. A chance of showers late this morning, then occasional rain this afternoon. Waves 2 to 4 feet building to 3 to 5 feet. Waves occasionally around 6 feet. .TONIGHT...East winds 15 to 25 knots. Rain. Waves 3 to 6 feet. Waves occasionally around 7 feet. .THURSDAY...East winds 15 to 20 knots. Rain. Waves 2 to 4 feet. .THURSDAY NIGHT...East winds 10 to 15 knots. Rain. Waves 2 to 4 feet subsiding to 1 to 3 feet. .FRIDAY...Northeast winds 10 to 15 knots becoming west. Rain likely. Waves 1 to 3 feet. .SATURDAY...West winds 10 to 15 knots. A chance of showers. Waves 1 to 3 feet. .SUNDAY...West winds 5 to 10 knots becoming northwest. Partly cloudy. Waves 1 to 2 feet. $$ LOZ043-044-212100- Hamlin Beach to Mexico Bay along Lake Ontario including Irondequoit Bay- 1002 AM EDT Wed May 21 2025 .REST OF TODAY...East winds 10 to 15 knots increasing to 15 to 20 knots. A chance of showers late this morning, then occasional rain this afternoon. Waves 1 to 3 feet building to 2 to 4 feet. .TONIGHT...East winds 15 to 20 knots becoming southeast. Rain. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet. .THURSDAY...Southeast winds 15 to 20 knots becoming east. Rain. Waves 2 to 4 feet. .THURSDAY NIGHT...East winds 10 to 15 knots. Rain. Waves 2 to 4 feet subsiding to 1 to 3 feet. .FRIDAY...East winds 5 to 15 knots becoming west. Rain likely. Waves 1 to 3 feet. .SATURDAY...West winds 10 to 15 knots. A chance of rain during the day, then a chance of showers Saturday night. Waves 1 to 3 feet. .SUNDAY...West winds 5 to 15 knots. Partly cloudy. Waves 1 to 3 feet. The water temperature off Rochester is 50 degrees. $$ LOZ045-212100- Mexico Bay to the Saint Lawrence River along Lake Ontario- 1002 AM EDT Wed May 21 2025 .REST OF TODAY...East winds 5 to 10 knots becoming southeast. A chance of showers this afternoon. Waves 1 foot or less. .TONIGHT...Southeast winds 10 to 15 knots becoming east 15 to 20 knots. Rain. Waves 1 to 3 feet. .THURSDAY...East winds 15 to 20 knots diminishing to 10 to 15 knots. Rain. Waves 1 to 3 feet. .THURSDAY NIGHT...East winds 5 to 15 knots. Rain. Waves 2 feet or less. .FRIDAY...East winds 5 to 10 knots becoming northwest. Rain likely. Waves 2 feet or less. .SATURDAY...Northwest winds 5 to 15 knots becoming west. A chance of rain during the day, then a chance of showers Saturday night. Waves 1 to 3 feet. .SUNDAY...West winds 5 to 15 knots becoming southwest. Mostly cloudy. Waves 1 to 3 feet. $$