Great Lakes Forecast
Issued by NWS
Issued by NWS
635 FZUS61 KCLE 190152 GLFLE Open Lake Forecast for Lake Erie National Weather Service Cleveland OH 952 PM EDT Tue Aug 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... A cold front will sweep across Lake Erie on Wednesday with high pressure 30.10 inches building into the region Thursday through Friday. Low pressure 29.90 inches moves into the Great Lake on Saturday with a cold front crossing late Saturday into Sunday. LEZ162>164-190815- 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- The Islands to Vermilion OH beyond 5 nm off shoreline to US- Canadian border- 952 PM EDT Tue Aug 18 2026 .OVERNIGHT...Southwest winds 10 to 15 knots. A chance of showers. Waves 1 to 2 feet. .WEDNESDAY...West winds 5 to 15 knots becoming southwest. A chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Waves 2 feet or less. .WEDNESDAY NIGHT...South winds 5 to 10 knots becoming northeast. A chance of showers in the evening. Waves 1 foot or less. .THURSDAY...Northeast winds 5 to 10 knots becoming east. Waves 1 foot or less. .THURSDAY NIGHT...East winds 5 to 10 knots becoming south. Waves 1 foot or less. .FRIDAY...South winds 10 knots or less. Waves 1 foot or less. .SATURDAY...Southwest winds 10 to 15 knots becoming northwest. Showers likely with a chance of thunderstorms during the day, then a chance of showers and thunderstorms Saturday night. Waves 2 feet or less. .SUNDAY...Northwest winds 10 to 15 knots becoming north. Waves 1 to 2 feet. Winds and waves higher in and near thunderstorms. $$ LEZ165>167-190815- Vermilion to Avon Point OH beyond 5 nm off shoreline to US- Canadian border- Avon Point to Willowick OH beyond 5 nm off shoreline to US- Canadian border-Willowick to Geneva-on-the- Lake OH beyond 5NM off shoreline to US-Canadian border- 952 PM EDT Tue Aug 18 2026 .OVERNIGHT...Southwest winds 10 to 15 knots. A chance of showers late. Waves 1 to 3 feet building to 2 to 4 feet. .WEDNESDAY...West winds 15 to 20 knots diminishing to 5 to 15 knots. A chance of showers in the morning, then a slight chance of showers and thunderstorms early in the afternoon. A chance of showers with a slight chance of thunderstorms late. Waves 2 to 4 feet subsiding to 1 to 3 feet. .WEDNESDAY NIGHT...West winds 5 to 10 knots becoming northeast. Waves 2 feet or less. .THURSDAY...Northeast winds 5 to 10 knots. Waves 1 foot or less. .THURSDAY NIGHT...East winds 5 to 10 knots becoming southeast. Waves 1 foot or less. .FRIDAY...Southeast winds 10 knots or less becoming south. Waves 1 foot or less. .SATURDAY...Southwest winds 10 to 15 knots becoming northwest. Showers likely with a chance of thunderstorms. Waves 1 to 2 feet. .SUNDAY...Northwest winds 10 to 15 knots. A chance of showers during the day. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LEZ061-168-169-190815- Ripley to Buffalo NY extending from 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- 952 PM EDT Tue Aug 18 2026 .OVERNIGHT...Southwest winds 10 to 15 knots. A slight chance of showers late. Waves 1 to 3 feet building to 2 to 4 feet. .WEDNESDAY...Southwest winds 10 to 15 knots becoming west. Showers likely in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Waves 2 to 4 feet. .WEDNESDAY NIGHT...West winds 5 to 10 knots becoming northeast. Waves 1 to 2 feet. .THURSDAY...Northeast winds 10 knots or less. Waves 1 foot or less. .THURSDAY NIGHT...Northeast winds less than 10 knots becoming southeast. Waves 1 foot or less. .FRIDAY...Southeast winds 10 knots or less becoming south. Waves 1 foot or less. .SATURDAY...South winds 5 to 15 knots becoming west. Showers with a chance of thunderstorms. Waves 2 feet or less. .SUNDAY...West winds 10 to 15 knots becoming northwest. Showers likely during the day, then a chance of showers Sunday night. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LEZ161-190815- MAFOR 1903/ ERIE WEST 1/3 12510 13610 11600 11500 11200. A chance of showers. Waves 1 to 3 feet overnight and Wednesday. Waves 1 foot or less Wednesday evening. ERIE CENTRAL 1/3 13510 12610 12600 11800. A chance of showers overnight and Wednesday morning. Waves 1 to 3 feet building to 2 to 4 feet overnight. Waves 2 to 4 feet subsiding to 1 to 3 feet Wednesday. Waves 2 feet or less Wednesday evening. ERIE EAST 1/3 13510 11616 11610 12600 11700. Waves 1 to 3 feet overnight. Waves 2 to 4 feet Wednesday. Waves 1 to 2 feet Wednesday evening. $$