FQCN10 CWTO 221515 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 10:30 A.M. EST THURSDAY 22 FEBRUARY 2024 FOR TODAY TONIGHT AND FRIDAY. THE NEXT SCHEDULED SYNOPSIS WILL BE ISSUED AT 6:30 P.M. EST. SYSTEMS POSITION. AT 10:30 A.M. EST TODAY LOW 1000 MB LOCATED OVER NORTHWESTERN ONTARIO. BY 10:30 A.M. EST FRIDAY COLD FRONT FROM 989 MB LOW LOCATED ON A LINE NORTHEAST-SOUTHWEST OVER SOUTHERN ONTARIO. BY 10:30 A.M. EST FRIDAY RIDGE LOCATED ON A LINE NORTHWEST-SOUTHEAST OVER WESTERN LAKE SUPERIOR. END