Marine Synopsis for the Great Lakes and St. Lawrence River (On)
* NOTE: Corrected and/or amended bulletins are listed first *
FQCN10 CWTO 051430 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. EDT Saturday 5 September 2026 for today tonight and Sunday. The next scheduled synopsis will be issued at 6:30 p.m. EDT. Systems position. At 10:30 a.m. EDT today departing trough located on a line east-west over Virginia. At 10:30 a.m. EDT today ridge located on a line northeast-southwest over Lake Nipigon. By 10:30 a.m. EDT Sunday ridge located on a line northeast-southwest over Ontario. End
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