FQCN10 CWTO 250745 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. EST THURSDAY 25 DECEMBER 2025 FOR TODAY TONIGHT AND FRIDAY. THE NEXT SCHEDULED SYNOPSIS WILL BE ISSUED AT 10:30 A.M. EST. SYSTEMS POSITION. AT 3:00 A.M. EST TODAY DISSIPATING RIDGE LOCATED OVER THE EAST COAST OF THE U.S. AT 3:00 A.M. EST TODAY TROUGH LOCATED ON A LINE NORTHEAST-SOUTHWEST OVER NORTHEASTERN ONTARIO. BY 3:00 A.M. EST FRIDAY LOW 1000 MB LOCATED SOUTH OF NOVA SCOTIA. AT 3:00 A.M. EST TODAY RIDGE LOCATED ON A LINE NORTHWEST-SOUTHEAST OVER MANITOBA. BY 3:00 A.M. EST FRIDAY RIDGE LOCATED ON A LINE NORTH-SOUTH OVER NORTHEASTERN ONTARIO. END