FZUS61 KCLE 231421 GLFLE Open Lake Forecast for Lake Erie National Weather Service Cleveland OH 1021 AM EDT Sun Aug 23 2026 For waters beyond five nautical miles of shore on Lake Erie 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. .SYNOPSIS... A trough averaging 29.80 will linger over the eastern Great Lakes through Monday morning. High pressure 30.00 inches will gradually build into the region Monday afternoon through Tuesday night before departing to the east on Wednesday. Low pressure 29.80 inches and a trailing cold front will move across the Great Lakes late Wednesday through Thursday. LEZ162-163-232015- Detroit River Lt. to Maumee Bay OH to Reno Beach OH beyond 5NM offshoreline to US-Canadian border- Reno Beach to The Islands OH beyond 5NM off shoreline to US- Canadian border- 1021 AM EDT Sun Aug 23 2026 .THIS AFTERNOON...Northwest winds 15 to 20 knots becoming west. A chance of waterspouts late. A slight chance of showers and thunderstorms late. Waves 2 to 4 feet subsiding to 1 to 3 feet. .TONIGHT...West winds 15 to 20 knots becoming northwest. A chance of waterspouts early. A slight chance of showers and thunderstorms early. Waves 2 to 4 feet subsiding to 1 to 3 feet. .MONDAY...Northwest winds 15 to 20 knots becoming west. Waves 1 to 3 feet building to 2 to 4 feet. .MONDAY NIGHT...West winds 15 to 20 knots becoming northwest and diminishing to around 10 knots. Waves 1 to 3 feet. .TUESDAY...Northwest winds 10 knots or less becoming southwest. Waves 1 foot or less. .WEDNESDAY...Southwest winds 5 to 15 knots. A chance of showers Wednesday night. Waves 2 feet or less. .THURSDAY...Southwest winds 5 to 15 knots becoming northwest. A chance of showers and thunderstorms during the day. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LEZ164-165-232015- The Islands to Vermilion OH beyond 5 nm off shoreline to US- Canadian border- Vermilion to Avon Point OH beyond 5 nm off shoreline to US- Canadian border- 1021 AM EDT Sun Aug 23 2026 .THIS AFTERNOON...Northwest winds 15 to 20 knots becoming west. A chance of waterspouts late. A slight chance of showers and thunderstorms late. Waves 3 to 5 feet subsiding to 2 to 4 feet. .TONIGHT...West winds 15 to 20 knots becoming northwest. A chance of waterspouts through the early overnight. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Waves 3 to 5 feet. .MONDAY...Northwest winds 15 to 20 knots becoming west. Waves 2 to 4 feet building to 3 to 5 feet. .MONDAY NIGHT...West winds 15 to 20 knots becoming northwest 10 to 15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet. .TUESDAY...Northwest winds 10 knots or less becoming southwest. Waves 1 foot or less. .WEDNESDAY...Southwest winds 5 to 15 knots becoming south. A chance of showers and thunderstorms Wednesday night. Waves 2 feet or less. .THURSDAY...Southwest winds 5 to 15 knots becoming northwest. A chance of showers and thunderstorms during the day, then a chance of showers Thursday night. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LEZ061-166>169-232015- Ripley to Buffalo NY extending from 5NM off shoreline to US- Canadian border- Avon Point to Willowick OH beyond 5 nm off shoreline to US- Canadian border-Willowick to Geneva-on-the- Lake OH beyond 5NM off shoreline to US-Canadian border-Geneva-on- the-Lake to Conneaut OH beyond 5 nm off shoreline to US- Canadian border- Conneaut OH to Ripley NY beyond 5 nm off shoreline to US- Canadian border- 1021 AM EDT Sun Aug 23 2026 .THIS AFTERNOON...West winds 15 to 25 knots. A chance of waterspouts. A chance of showers and thunderstorms. Waves 4 to 6 feet. .TONIGHT...West winds 15 to 20 knots becoming northwest. A chance of waterspouts. Showers with a chance of thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. A chance of showers with a slight chance of thunderstorms late. Waves 3 to 6 feet. .MONDAY...West winds 15 to 25 knots. A chance of waterspouts. A chance of showers. Waves 3 to 6 feet building to 5 to 7 feet. Waves occasionally around 9 feet. .MONDAY NIGHT...West winds 15 to 25 knots becoming northwest and diminishing to 10 to 15 knots. A chance of showers in the evening. A chance of waterspouts. Waves 4 to 7 feet subsiding to 1 to 3 feet. Waves occasionally around 9 feet. .TUESDAY...Northwest winds 5 to 15 knots becoming southwest. Waves 1 to 3 feet subsiding to 1 foot or less. .WEDNESDAY...Southwest winds 5 to 15 knots becoming south. A chance of showers Wednesday night. Waves 2 feet or less. .THURSDAY...South winds 5 to 15 knots becoming west. A chance of showers and thunderstorms during the day, then a chance of showers Thursday night. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LEZ161-232015- MAFOR 2315/ ERIE WEST 1/3 11720 12620 14720 11620. A chance of waterspouts this afternoon and evening. A chance of showers and thunderstorms this evening. Waves 3 to 5 feet subsiding to 2 to 4 feet this afternoon and tonight. Waves 2 to 4 feet building to 3 to 5 feet Monday morning. ERIE CENTRAL 1/3 11720 12620 11726 12720 12620. A chance of waterspouts. A chance of thunderstorms this evening. Waves 3 to 6 feet. ERIE EAST 1/3 11620 11630 11620 11626 11726 12620 11626. A chance of waterspouts. A chance of thunderstorms this afternoon and tonight. Waves 3 to 6 feet. $$