


Great Lakes Forecast
Issued by NWS
Issued by NWS
592 FZUS61 KCLE 170751 GLFLE Open Lake Forecast for Lake Erie National Weather Service Cleveland OH 351 AM EDT Sun Aug 17 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 29.80 inches will drag a cold front south across Lake Erie early this morning. The front stalls near the Ohio River Valley on Monday. Low pressure 29.80 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. LEZ162-171415- Detroit River Lt. to Maumee Bay OH to Reno Beach OH beyond 5NM offshoreline to US-Canadian border- 351 AM EDT Sun Aug 17 2025 .TODAY...Northwest winds 10 to 15 knots becoming north. A chance of showers and thunderstorms early, then a slight chance of showers and thunderstorms late this morning. A chance of waterspouts late. Waves 1 to 2 feet. .TONIGHT...North winds 15 to 20 knots becoming northeast. A chance of waterspouts early. A slight chance of showers late. Waves 2 to 3 feet. .MONDAY...Northeast winds 10 to 15 knots becoming east. Waves 2 to 3 feet. .MONDAY NIGHT...East winds 5 to 15 knots becoming southeast. Waves 1 to 2 feet. .TUESDAY...South winds 5 to 10 knots becoming east. A chance of showers and thunderstorms. Waves around 1 foot. .WEDNESDAY...North winds 10 to 15 knots becoming northeast. Waves 1 to 2 feet. .THURSDAY...Northeast winds 5 to 15 knots. Waves 1 to 2 feet. Winds and waves higher in and near thunderstorms. $$ LEZ163-164-171415- Reno Beach to The Islands OH beyond 5NM off shoreline to US- Canadian border- The Islands to Vermilion OH beyond 5 nm off shoreline to US- Canadian border- 351 AM EDT Sun Aug 17 2025 .TODAY...Northwest winds 10 to 15 knots becoming north 15 to 20 knots. A chance of showers and thunderstorms this morning, then a slight chance of showers and thunderstorms early this afternoon. A chance of waterspouts late. Waves 1 to 3 feet. .TONIGHT...North winds 15 to 20 knots becoming northeast. A chance of waterspouts. A slight chance of showers from late evening on. Waves 2 to 4 feet building to 3 to 6 feet. .MONDAY...East winds 15 to 20 knots. Waves 3 to 6 feet. .MONDAY NIGHT...East winds 5 to 15 knots becoming southeast. Waves 2 to 4 feet subsiding to 1 to 3 feet. .TUESDAY...South winds 5 to 10 knots becoming southeast. A chance of showers during the day, then a chance of showers and thunderstorms Tuesday night. Waves 2 feet or less. .WEDNESDAY...North winds 10 to 15 knots becoming northeast. Waves 1 to 3 feet. .THURSDAY...Northeast winds 10 to 15 knots. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LEZ165>167-171415- 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- 351 AM EDT Sun Aug 17 2025 .TODAY...West winds 10 to 15 knots becoming northwest 15 to 20 knots. Showers likely with a chance of thunderstorms early, then a chance of showers and thunderstorms late this morning. A slight chance of showers and thunderstorms this afternoon. A chance of waterspouts late. Waves 1 to 3 feet. .TONIGHT...North winds 15 to 20 knots becoming northeast. A chance of waterspouts through the early overnight. A slight chance of showers and thunderstorms early, then a slight chance of showers. Waves 3 to 6 feet building to 4 to 7 feet. Waves occasionally around 9 feet. .MONDAY...East winds 15 to 20 knots becoming northeast. Waves 4 to 7 feet. Waves occasionally around 9 feet. .MONDAY NIGHT...Northeast winds 15 to 20 knots becoming southeast 5 to 15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet. .TUESDAY...Southeast winds 5 to 10 knots. A chance of showers during the day, then showers likely with a chance of thunderstorms Tuesday night. Waves 1 to 2 feet. .WEDNESDAY...East winds 10 to 15 knots becoming northeast. A chance of showers during the day. Waves 1 to 3 feet. .THURSDAY...Northeast winds 5 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 2 feet. Winds and waves higher in and near thunderstorms. $$ LEZ061-168-169-171415- Ripley to Buffalo NY extending from 5NM off shoreline to US- Canadian border-Geneva-on-the- Lake to Conneaut OH beyond 5 nm off shoreline to US- Canadian border- Conneaut OH to Ripley NY beyond 5 nm off shoreline to US- Canadian border- 351 AM EDT Sun Aug 17 2025 .TODAY...West winds 5 to 15 knots becoming north. Showers likely with a chance of thunderstorms early, then a chance of showers and thunderstorms from late morning on. A chance of waterspouts late. Waves 1 to 3 feet. .TONIGHT...Northeast winds 15 to 20 knots. A chance of waterspouts in the evening. A chance of showers with a slight chance of thunderstorms early, then a slight chance of showers late in the evening. Waves 2 to 4 feet building to 3 to 6 feet. .MONDAY...East winds 15 to 20 knots becoming northeast. Waves 3 to 6 feet subsiding to 2 to 4 feet. .MONDAY NIGHT...Northeast winds 15 to 20 knots becoming southeast 5 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. .TUESDAY...Southeast winds 5 to 10 knots. Showers likely Tuesday night. Waves 2 feet or less. .WEDNESDAY...Southeast winds 5 to 15 knots becoming northeast. A chance of showers during the day. Waves 1 to 3 feet. .THURSDAY...Northeast winds 5 to 15 knots becoming east. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LEZ161-171415- MAFOR 1709/ ERIE WEST 1/3 11610 11710 11700 11810 12820 12120. A chance of waterspouts this afternoon and tonight. A chance of showers and thunderstorms this morning. Waves 1 to 3 feet today. Waves 2 to 4 feet building to 3 to 6 feet tonight. ERIE CENTRAL 1/3 12610 11700 11710 11820 13120. A chance of waterspouts this afternoon and tonight. A chance of showers and thunderstorms this morning. Waves 1 to 3 feet today. Waves 3 to 6 feet tonight. ERIE EAST 1/3 11500 12600 11710 14120. A chance of waterspouts this afternoon and evening. A chance of showers and thunderstorms today. A chance of showers this evening. Waves 1 to 3 feet today. Waves 2 to 4 feet building to 3 to 6 feet tonight. $$