


Great Lakes Forecast
Issued by NWS
Issued by NWS
072 FZUS61 KCLE 180801 GLFLE Open Lake Forecast for Lake Erie National Weather Service Cleveland OH 401 AM EDT Mon Aug 18 2025 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 ridge of high pressure averaging 30.10 inches moves east across the area today and tonight. Low pressure 29.90 inches over the Upper Midwest will lift a warm front across the lake on Tuesday before high pressure 30.00 inches builds across the Great Lakes region late Wednesday through the end of the week. LEZ162>164-181445- 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- 401 AM EDT Mon Aug 18 2025 .TODAY...East winds 15 to 20 knots. Waves 3 to 5 feet. .TONIGHT...East winds 15 to 20 knots becoming southeast 5 to 15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet. .TUESDAY...South winds 10 knots or less becoming southeast. Waves 2 feet or less. .TUESDAY NIGHT...Southeast winds 5 to 10 knots becoming northwest. A chance of showers. Waves 1 foot or less. .WEDNESDAY...Northwest winds around 10 knots becoming northeast and increasing to 15 to 20 knots. Waves 1 to 3 feet. .THURSDAY...Northeast winds 5 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. .FRIDAY...East winds 5 to 10 knots becoming southwest. Waves 2 feet or less. $$ LEZ165>167-181445- Vermilion to Avon Point OH beyond 5 nm off shoreline to US- Canadian border- Avon Point to Willowick OH beyond 5 nm off shoreline to US- Canadian border-Willowick to Geneva-on-the- Lake OH beyond 5NM off shoreline to US-Canadian border- 401 AM EDT Mon Aug 18 2025 .TODAY...East winds 15 to 20 knots becoming northeast. Waves 3 to 6 feet. .TONIGHT...East winds 15 to 20 knots becoming southeast 5 to 15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet. .TUESDAY...South winds 10 knots or less becoming east. Waves 2 feet or less. .TUESDAY NIGHT...East winds 5 to 10 knots becoming southwest. A chance of showers and thunderstorms in the evening, then a chance of showers overnight. Waves 1 foot or less. .WEDNESDAY...Northwest winds 10 to 15 knots becoming northeast 15 to 20 knots. Waves 1 to 3 feet building to 2 to 4 feet. .THURSDAY...Northeast winds 15 to 20 knots becoming east 10 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. .FRIDAY...East winds 5 to 10 knots becoming south. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LEZ061-168-169-181445- 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- 401 AM EDT Mon Aug 18 2025 .TODAY...East winds 15 to 20 knots becoming northeast. Waves 3 to 5 feet subsiding to 2 to 4 feet. .TONIGHT...Northeast winds 15 to 20 knots becoming southeast 5 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. .TUESDAY...South winds 10 knots or less becoming east. Waves 2 feet or less. .TUESDAY NIGHT...East winds 5 to 10 knots becoming south. A chance of showers in the evening, then a chance of showers and thunderstorms overnight. Waves 1 foot or less. .WEDNESDAY...South winds 5 to 15 knots becoming northeast. A chance of showers during the day. Waves 1 to 3 feet. .THURSDAY...Northeast winds 5 to 15 knots becoming east. Waves 1 to 3 feet. .FRIDAY...East winds 5 to 10 knots becoming south. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LEZ161-181445- MAFOR 1809/ ERIE WEST 1/3 14220 11220 12210 11300. Waves 3 to 6 feet today. Waves 3 to 5 feet subsiding to 1 to 3 feet tonight. ERIE CENTRAL 1/3 13220 11120 11220 12210 11300. Waves 3 to 6 feet today. Waves 3 to 5 feet subsiding to 1 to 3 feet tonight. ERIE EAST 1/3 12220 11120 12110 12210 11300. Waves 3 to 5 feet subsiding to 2 to 4 feet today. Waves 2 to 4 feet subsiding to 1 to 3 feet tonight. $$