Great Lakes Forecast
Issued by NWS
Issued by NWS
468 FZUS61 KCLE 210117 GLFLE Open Lake Forecast for Lake Erie National Weather Service Cleveland OH 917 PM EDT Mon Jul 20 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... High pressure 30.00 inches builds off to the East Coast this evening as a warm front lifts north across the lake late tonight through early Tuesday morning. A cold front will pass west to east over the lake late Tuesday with troughing averaging 29.70 inches persisting through early Wednesday. High pressure 30.10 inches builds into the region late Wednesday through Friday. 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- 917 PM EDT Mon Jul 20 2026 .OVERNIGHT...South winds 10 to 15 knots becoming southwest 15 to 20 knots. Patchy smoke. A chance of showers and thunderstorms late. Waves 1 to 3 feet. .TUESDAY...Southwest winds 15 to 25 knots becoming west. A chance of showers and thunderstorms through early afternoon, then a slight chance of showers and thunderstorms late. Waves 2 to 4 feet. .TUESDAY NIGHT...West winds 15 to 20 knots becoming northwest. Patchy smoke in the evening. 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. .WEDNESDAY NIGHT...North winds 5 to 10 knots. Waves 2 feet or less. .THURSDAY...North winds 10 knots or less becoming south. Waves 1 foot or less. .FRIDAY...South winds 10 knots or less becoming east. Waves 1 foot or less. .SATURDAY...Northeast winds 10 knots or less becoming southwest. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LEZ164>167-210830- The Islands to Vermilion OH beyond 5 nm off shoreline to US- Canadian border- Vermilion to Avon Point OH beyond 5 nm off shoreline to US- Canadian border- Avon Point to Willowick OH beyond 5 nm off shoreline to US- Canadian border-Willowick to Geneva-on-the- Lake OH beyond 5NM off shoreline to US-Canadian border- 917 PM EDT Mon Jul 20 2026 .OVERNIGHT...South winds 10 to 15 knots becoming southwest 15 to 20 knots. Patchy smoke. A slight chance of showers and thunderstorms late. Waves 1 foot or less building to 3 to 5 feet. .TUESDAY...Southwest winds 15 to 25 knots. A slight chance of showers and thunderstorms early, then showers likely with a chance of thunderstorms late in the morning. A chance of showers and thunderstorms in the afternoon. Waves 5 to 8 feet. Waves occasionally around 10 feet. .TUESDAY NIGHT...West winds 15 to 20 knots becoming northwest. A chance of showers and thunderstorms in the evening, then a chance of showers overnight. Waves 3 to 6 feet. .WEDNESDAY...Northwest winds 15 to 20 knots. Waves 3 to 5 feet subsiding to 2 to 4 feet. .WEDNESDAY NIGHT...Northwest winds 15 to 20 knots becoming north 10 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. .THURSDAY...North winds 10 knots or less becoming southeast. Waves 1 foot or less. .FRIDAY...Southeast winds 10 knots or less. Waves 1 foot or less. .SATURDAY...Southeast winds 10 knots or less becoming southwest. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LEZ061-168-169-210830- 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- 917 PM EDT Mon Jul 20 2026 .OVERNIGHT...Southeast winds 5 to 15 knots becoming south 15 to 20 knots. Patchy smoke. Waves 2 feet or less building to 2 to 4 feet. .TUESDAY...Southwest winds 15 to 25 knots. Patchy smoke early. A chance of showers and thunderstorms early, then showers likely with a chance of thunderstorms late in the morning. A chance of showers and thunderstorms in the afternoon. Waves 3 to 6 feet building to 5 to 8 feet. Waves occasionally around 10 feet. .TUESDAY NIGHT...West winds 15 to 20 knots becoming northwest. Showers likely with a chance of thunderstorms in the evening, then showers likely overnight. Waves 4 to 7 feet subsiding to 3 to 5 feet. Waves occasionally around 9 feet. .WEDNESDAY...Northwest winds 15 to 20 knots. Waves 3 to 5 feet. .WEDNESDAY NIGHT...Northwest winds 15 to 20 knots diminishing to 5 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. .THURSDAY...Northwest winds 10 knots or less becoming south. Waves 1 foot or less. .FRIDAY...Southeast winds 10 knots or less. Waves 1 foot or less. .SATURDAY...South winds 10 knots or less. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LEZ161-210830- MAFOR 2103/ ERIE WEST 1/3 11410 11520 11530 11536 11530 11520 11620 11720. A chance of thunderstorms overnight and Tuesday. Waves 1 to 3 feet building to 3 to 5 feet overnight. Waves 3 to 6 feet Tuesday. Waves 3 to 5 feet subsiding to 2 to 4 feet Tuesday evening. ERIE CENTRAL 1/3 11410 11420 11530 11536 12530 12620. A chance of thunderstorms Tuesday and Tuesday evening. Waves 1 foot or less building to 3 to 5 feet overnight. Waves 5 to 8 feet, and occasionally around 10 feet Tuesday. Waves 3 to 6 feet Tuesday evening. ERIE EAST 1/3 11410 12420 11526 11536 11530 11526 11626. A chance of thunderstorms Tuesday and Tuesday evening. Waves 2 feet or less building to 2 to 4 feet overnight. Waves 3 to 5 feet building to 5 to 8 feet, and occasionally around 10 feet Tuesday. Waves 4 to 7 feet subsiding to 3 to 5 feet, and occasionally around 9 feet Tuesday evening. $$