FZUS51 KCLE 210746 NSHCLE Nearshore Marine Forecast National Weather Service Cleveland OH 346 AM EDT Tue Apr 21 2026 For waters within five nautical miles of shore 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. LEZ142>144-211415- Maumee Bay to Reno Beach OH-Reno Beach to The Islands OH- The Islands to Vermilion OH- 346 AM EDT Tue Apr 21 2026 .TODAY...South winds 15 to 20 knots becoming southwest. Partly sunny. Waves 1 to 3 feet. .TONIGHT...Southwest winds 5 to 15 knots becoming west. Showers likely with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms overnight. Waves 2 feet or less. .WEDNESDAY...Northwest winds 10 knots or less becoming northeast. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...East winds less than 10 knots becoming southeast. Mostly clear. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. See Lake Erie open lakes forecast for Thursday through Saturday. The water temperature off Toledo is 57 degrees, off Cleveland 48 degrees, and off Erie 49 degrees. $$ LEZ145>149-211415- Vermilion to Avon Point OH-Avon Point to Willowick OH- Willowick to Geneva-on-the Lake OH-Geneva-on-the- Lake to Conneaut OH-Conneaut OH to Ripley NY- 346 AM EDT Tue Apr 21 2026 .TODAY...South winds 15 to 20 knots. Mostly sunny. Waves 1 to 3 feet. .TONIGHT...South winds 10 to 15 knots becoming southwest. A chance of showers with a slight chance of thunderstorms. Waves 2 feet or less. .WEDNESDAY...West winds 10 knots or less becoming northwest. Mostly sunny. Waves 2 feet or less. .WEDNESDAY NIGHT...Light and variable winds. Mostly clear. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. See Lake Erie open lakes forecast for Thursday through Saturday. The water temperature off Toledo is 57 degrees, off Cleveland 48 degrees, and off Erie 49 degrees. $$