FZUS61 KCLE 181345 GLFLE Open Lake Forecast for Lake Erie National Weather Service Cleveland OH 945 AM EDT Sat Jul 18 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... Low pressure 29.70 inches enters the region as a cold front moves southeast across Lake Erie into tonight. As the cold front exits, high pressure 30.00 inches will briefly enter the region Sunday and Monday. A warm front will lift into the region Monday and will be quickly followed by another cold front on Tuesday. A trough averaging 29.80 inches will linger across the eastern Great Lakes on Wednesday. LEZ162-163-182015- 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- 945 AM EDT Sat Jul 18 2026 .REST OF TODAY...Southwest winds 15 to 20 knots becoming west. A chance of showers and thunderstorms early this afternoon. Showers likely with a chance of thunderstorms late. Waves 1 to 3 feet. .TONIGHT...Northwest winds 15 to 20 knots becoming north. A chance of showers and thunderstorms early. Waves 1 to 3 feet building to 2 to 4 feet. .SUNDAY...Northeast winds 5 to 15 knots becoming east. Waves 1 to 3 feet subsiding to 1 foot or less. .SUNDAY NIGHT...East winds 5 to 10 knots becoming south. Waves 1 foot or less. .MONDAY...South winds 5 to 15 knots becoming southwest 15 to 20 knots. Showers likely Monday night. Waves 1 to 3 feet. .TUESDAY...Southwest winds 15 to 20 knots becoming northwest. Showers likely with a chance of thunderstorms during the day. Waves 2 to 4 feet. .WEDNESDAY...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LEZ164-165-182015- The Islands to Vermilion OH beyond 5 nm off shoreline to US- Canadian border- Vermilion to Avon Point OH beyond 5 nm off shoreline to US- Canadian border- 945 AM EDT Sat Jul 18 2026 .REST OF TODAY...Southwest winds 15 to 20 knots becoming west. A chance of showers and thunderstorms early this afternoon. Showers with a chance of thunderstorms late. Waves 3 to 5 feet. .TONIGHT...Northwest winds 15 to 20 knots becoming northeast. Showers likely with a chance of thunderstorms early, then a chance of showers with a slight chance of thunderstorms late in the evening. Waves 3 to 5 feet. .SUNDAY...Northeast winds 5 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 2 feet. .SUNDAY NIGHT...Northeast winds 5 to 10 knots becoming southeast. Waves 1 foot or less. .MONDAY...South winds 10 knots or less becoming southwest and increasing to 15 to 20 knots. Showers likely Monday night. Waves 2 feet or less building to 2 to 4 feet. .TUESDAY...Southwest winds 15 to 25 knots becoming northwest. Showers likely with a chance of thunderstorms during the day, then a chance of showers Tuesday night. Waves 3 to 5 feet. .WEDNESDAY...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LEZ061-166>169-182015- 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- 945 AM EDT Sat Jul 18 2026 .REST OF TODAY...Southwest winds 15 to 25 knots becoming west. A slight chance of showers and thunderstorms late this morning, then a chance of showers and thunderstorms early this afternoon. Showers with a chance of thunderstorms late. Waves 3 to 6 feet building to 4 to 7 feet. Waves occasionally around 9 feet. .TONIGHT...Northwest winds 15 to 20 knots becoming north. A chance of showers and thunderstorms early. Waves 3 to 6 feet. .SUNDAY...North winds 5 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. .SUNDAY NIGHT...West winds 10 knots or less becoming southwest. Waves 1 foot or less. .MONDAY...Southwest winds 10 knots or less becoming south and increasing to 15 to 20 knots. Showers likely Monday night. Waves 1 foot or less building to 3 to 5 feet. .TUESDAY...Southwest winds 15 to 25 knots becoming northwest. Showers with a chance of thunderstorms during the day, then a chance of showers and thunderstorms Tuesday night. Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves occasionally around 9 feet. .WEDNESDAY...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LEZ161-182015- MAFOR 1815/ ERIE WEST 1/3 11520 11626 12720 12820 12110. A chance of thunderstorms this afternoon and evening. Waves 3 to 5 feet subsiding to 2 to 4 feet this afternoon. Waves 3 to 5 feet tonight. Waves 2 to 4 feet subsiding to 1 to 3 feet Sunday morning. ERIE CENTRAL 1/3 11530 11636 11726 11720 12820 12110. A chance of thunderstorms this afternoon and evening. Waves 3 to 6 feet building to 4 to 7 feet, and occasionally around 9 feet this afternoon. Waves 3 to 5 feet tonight. Waves 2 to 4 feet subsiding to 1 to 3 feet Sunday morning. ERIE EAST 1/3 11530 11636 11626 11710 13810 11800. A chance of thunderstorms this afternoon and evening. Waves 3 to 6 feet building to 4 to 7 feet, and occasionally around 9 feet this afternoon. Waves 3 to 6 feet subsiding to 2 to 4 feet tonight. Waves 1 to 3 feet Sunday morning. $$