FQCN10 CWTO 122217 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 6:30 P.M. EDT MONDAY 12 MAY 2025 FOR TONIGHT AND TUESDAY. THE NEXT SCHEDULED SYNOPSIS WILL BE ISSUED AT 3:00 A.M. EDT TUESDAY. SYSTEMS POSITION. AT 6:30 P.M. EDT TONIGHT RIDGE LOCATED ON A LINE NORTH-SOUTH OVER EASTERN ONTARIO. BY 6:30 P.M. EDT TUESDAY DEPARTING RIDGE LOCATED OFF THE EASTERN SEABOARD. AT 6:30 P.M. EDT TONIGHT LOW 996 MB LOCATED OVER SOUTHERN ALBERTA. BY 6:30 P.M. EDT TUESDAY LOW 995 MB LOCATED OVER NORTHWESTERN ONTARIO. END