FZUS61 KCLE 210147 GLFLE Open Lake Forecast for Lake Erie National Weather Service Cleveland OH 947 PM EDT Tue May 20 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... Low pressure 29.60 inches over the upper Mississippi Valley will move east-northeast to near the southern Lake Erie shoreline by Wednesday afternoon. This low pressure will drift to near Buffalo by Thursday morning and then slowly exit into New England Friday. High pressure 30.20 inches builds into the Great Lakes for this weekend. LEZ162-163-210830- 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- 947 PM EDT Tue May 20 2025 .REST OF TONIGHT...East winds 20 to 25 knots. Showers likely with a slight chance of thunderstorms late this evening, then showers likely after midnight. A chance of showers with a slight chance of thunderstorms late. Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves occasionally around 9 feet. .WEDNESDAY...East winds 15 to 20 knots becoming north 10 to 15 knots. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 3 to 6 feet subsiding to 1 to 3 feet. .WEDNESDAY NIGHT...Northwest winds 10 to 15 knots becoming west 15 to 20 knots. Showers likely in the evening, then a chance of showers overnight. Waves 1 to 3 feet. .THURSDAY...West winds 15 to 20 knots becoming northwest. Showers likely. Waves 1 to 3 feet. .THURSDAY NIGHT...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots. Showers likely in the evening. Waves 1 to 3 feet. .FRIDAY...West winds 10 to 15 knots becoming northwest. A chance of showers during the day. Waves 1 to 3 feet. .SATURDAY...Northwest winds 5 to 10 knots becoming north. Waves 2 feet or less. .SUNDAY...Northeast winds 5 to 10 knots becoming north. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LEZ164>168-210830- The Islands to Vermilion OH beyond 5 nm off shoreline to US- Canadian border- Vermilion to Avon Point OH beyond 5 nm off shoreline to US- Canadian border- Avon Point to Willowick OH beyond 5 nm off shoreline to US- Canadian border-Willowick to Geneva-on-the- Lake OH beyond 5NM off shoreline to US-Canadian border-Geneva-on- the-Lake to Conneaut OH beyond 5 nm off shoreline to US- Canadian border- 947 PM EDT Tue May 20 2025 .REST OF TONIGHT...East winds 15 to 25 knots. Showers with a slight chance of thunderstorms. Waves 5 to 8 feet. Waves occasionally around 10 feet. .WEDNESDAY...East winds 15 to 25 knots becoming northeast and diminishing to 10 to 15 knots. Showers likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 5 to 8 feet subsiding to 2 to 4 feet. Waves occasionally around 10 feet. .WEDNESDAY NIGHT...South winds 10 to 15 knots becoming west 15 to 20 knots. Showers likely. Waves 1 to 3 feet building to 3 to 5 feet. .THURSDAY...West winds 15 to 20 knots. Showers likely. Waves 3 to 6 feet. .THURSDAY NIGHT...Northwest winds 15 to 20 knots. Showers likely in the evening, then a chance of showers overnight. Waves 3 to 6 feet subsiding to 2 to 4 feet. .FRIDAY...West winds 15 to 20 knots becoming northwest 10 to 15 knots. A chance of showers during the day. Waves 2 to 4 feet. .SATURDAY...Northwest winds 5 to 15 knots. Waves 1 to 3 feet. .SUNDAY...North winds 5 to 10 knots. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LEZ061-169-210830- Ripley to Buffalo NY extending from 5NM off shoreline to US- Canadian border- Conneaut OH to Ripley NY beyond 5 nm off shoreline to US- Canadian border- 947 PM EDT Tue May 20 2025 .REST OF TONIGHT...Northeast winds 15 to 25 knots. A chance of showers, then showers likely late. Waves 3 to 6 feet. .WEDNESDAY...Northeast winds 15 to 20 knots becoming east 10 to 15 knots. Showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots becoming southwest. Showers in the evening, then showers likely overnight. Waves 1 to 3 feet building to 2 to 4 feet. .THURSDAY...Southwest winds 10 to 15 knots becoming west 15 to 20 knots. Showers likely. Waves 2 to 4 feet building to 3 to 5 feet. .THURSDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots. Showers likely. Waves 3 to 5 feet subsiding to 2 to 4 feet. .FRIDAY...West winds 10 to 15 knots becoming northwest. Showers likely during the day, then a chance of showers Friday night. Waves 1 to 3 feet. .SATURDAY...Northwest winds 5 to 10 knots. A chance of showers during the day. Waves 1 to 2 feet. .SUNDAY...West winds 5 to 10 knots becoming north. Waves around 1 foot. Winds and waves higher in and near thunderstorms. $$ LEZ161-210830- MAFOR 2103/ ERIE WEST 1/3 12236 11230 11220 11210 11116 11706 11716. A chance of thunderstorms Wednesday afternoon. Waves 5 to 8 feet, and occasionally around 10 feet overnight. Waves 5 to 8 feet subsiding to 2 to 4 feet, and occasionally around 10 feet Wednesday. Waves 1 to 3 feet Wednesday evening. ERIE CENTRAL 1/3 13236 11230 11220 11110 11116 11516. A chance of thunderstorms Wednesday afternoon. Waves 5 to 8 feet, and occasionally around 10 feet overnight. Waves 5 to 8 feet subsiding to 2 to 4 feet, and occasionally around 10 feet Wednesday. Waves 1 to 3 feet Wednesday evening. ERIE EAST 1/3 11230 11136 11126 12226 12216 11316. Waves 3 to 6 feet overnight. Waves 3 to 5 feet subsiding to 1 to 3 feet Wednesday. Waves 1 to 3 feet Wednesday evening. $$