Great Lakes Forecast
Issued by NWS
Issued by NWS
463 FZUS61 KCLE 180118 GLFLE Open Lake Forecast for Lake Erie National Weather Service Cleveland OH 918 PM EDT Fri Jul 17 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 29.60 inches will move into the northern Great Lakes tonight and will reach New England by Saturday evening while deepening to 29.50 inches. This will lift a warm front across Lake Erie tonight before a strong cold front drops across the lake Saturday night. High pressure 30.00 inches will build across the Great Lakes Sunday and Monday before another cold front crosses Tuesday. A trough averaging 29.80 inches will linger over Lake Erie Wednesday. LEZ162-163-180815- 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- 918 PM EDT Fri Jul 17 2026 .REST OF TONIGHT...South winds 10 to 15 knots becoming southwest. Smoke late this evening, then patchy smoke after midnight. A chance of showers and thunderstorms late this evening, then a slight chance of showers and thunderstorms after midnight. Waves 2 feet or less. .SATURDAY...Southwest winds 15 to 20 knots becoming west. A slight chance of showers early. A chance of showers and thunderstorms early in the afternoon, then showers and thunderstorms likely late. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest winds 15 to 20 knots becoming northeast. A chance of showers and thunderstorms in the evening. 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...Southeast winds 5 to 10 knots becoming south. Waves 1 foot or less. .MONDAY...Southwest winds 5 to 15 knots increasing to 15 to 20 knots. Showers likely with a chance of thunderstorms Monday night. Waves 1 foot or less building to 1 to 3 feet. .TUESDAY...Southwest winds 15 to 20 knots becoming northwest. Showers likely with a chance of thunderstorms during the day, then a chance of showers Tuesday night. 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. $$ LEZ164-165-180815- The Islands to Vermilion OH beyond 5 nm off shoreline to US- Canadian border- Vermilion to Avon Point OH beyond 5 nm off shoreline to US- Canadian border- 918 PM EDT Fri Jul 17 2026 .REST OF TONIGHT...Southeast winds 5 to 15 knots becoming southwest 15 to 20 knots. Smoke. A chance of showers and thunderstorms late this evening, then a chance of showers with a slight chance of thunderstorms after midnight. Waves 1 to 3 feet. .SATURDAY...Southwest winds 15 to 20 knots becoming west. A chance of showers with a slight chance of thunderstorms in the morning, then showers and thunderstorms in the afternoon. Waves 2 to 4 feet building to 3 to 5 feet. .SATURDAY NIGHT...Northwest winds 15 to 20 knots becoming northeast. Showers and thunderstorms in the evening. Waves 2 to 4 feet building to 3 to 5 feet. .SUNDAY...Northeast winds 5 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 2 feet. .SUNDAY NIGHT...East winds 5 to 10 knots becoming south. Waves 1 foot or less. .MONDAY...South winds 5 to 15 knots becoming southwest 15 to 20 knots. Showers likely with a chance of thunderstorms Monday night. Waves 1 foot or less building to 3 to 5 feet. .TUESDAY...Southwest winds 15 to 25 knots becoming northwest. Showers with a chance of thunderstorms during the day, then a chance of showers Tuesday night. Waves 3 to 5 feet. .WEDNESDAY...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots. Waves 3 to 5 feet subsiding to 1 to 2 feet. Winds and waves higher in and near thunderstorms. $$ LEZ061-166>169-180815- 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- 918 PM EDT Fri Jul 17 2026 ...DENSE SMOKE ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... .REST OF TONIGHT...Southeast winds 5 to 15 knots becoming southwest 15 to 20 knots. Areas of smoke late this evening, then smoke after midnight. A chance of showers with a slight chance of thunderstorms after midnight. A chance of showers and thunderstorms late. Waves 1 to 3 feet. .SATURDAY...Southwest winds 15 to 25 knots becoming west. Smoke early. A chance of showers with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms early in the afternoon. Showers and thunderstorms late. Waves 3 to 6 feet building to 4 to 7 feet. Waves occasionally around 9 feet. .SATURDAY NIGHT...West winds 15 to 20 knots becoming north. Showers likely with a chance of thunderstorms in the evening. 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 south. Waves 1 foot or less. .MONDAY...South winds 5 to 15 knots increasing to 15 to 20 knots. Showers likely with a chance of thunderstorms Monday night. Waves 1 foot or less building to 3 to 6 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...West winds 15 to 20 knots becoming northwest 10 to 15 knots. A chance of showers during the day. Waves 3 to 6 feet subsiding to 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LEZ161-180815- MAFOR 1803/ ERIE WEST 1/3 12510 13520 11620 11729 11720. Waves 1 to 3 feet overnight. Waves 2 to 4 feet Saturday and Saturday evening. ERIE CENTRAL 1/3 11410 11510 12520 12530 11629 11720. Waves 1 to 3 feet overnight. Waves 3 to 6 feet building to 4 to 7 feet, and occasionally around 9 feet Saturday. Waves 3 to 5 feet Saturday evening. ERIE EAST 1/3 11400 11410 11510 11520 11530 11539 11629 11710. Waves 2 feet or less overnight. Waves 2 to 4 feet building to 4 to 7 feet, and occasionally around 9 feet Saturday. Waves 4 to 6 feet subsiding to 2 to 4 feet Saturday evening. $$