FQCN10 CWTO 110645 TECHNICAL MARINE SYNOPSIS FOR THE CANADIAN PORTION OF THE GREAT LAKES AND THE ONTARIO PORTION OF THE ST. LAWRENCE RIVER ISSUED BY ENVIRONMENT CANADA AT 3:00 A.M. EDT SUNDAY 11 MAY 2025 FOR TODAY TONIGHT AND MONDAY. THE NEXT SCHEDULED SYNOPSIS WILL BE ISSUED AT 10:30 A.M. EDT. SYSTEMS POSITION. AT 3:00 A.M. EDT TODAY RIDGE LOCATED ON A LINE NORTHEAST-SOUTHWEST OVER NORTHEASTERN ONTARIO. BY 3:00 A.M. EDT MONDAY RIDGE LOCATED ON A LINE NORTHEAST-SOUTHWEST OVER SOUTHERN ONTARIO. AT 3:00 A.M. EDT TODAY QUASI-STATIONARY TROUGH LOCATED ON A LINE EAST-WEST OVER NORTHWESTERN ONTARIO. END