Language selection

Weather shortcuts

Marine Synopsis for the Great Lakes and St. Lawrence River (On)


* NOTE: Corrected and/or amended bulletins are listed first *

 
FQCN10 CWTO 020700
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 Wednesday 2 July 2025 for
today tonight and Thursday.
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 north-south over
North Dakota.
By 3:00 a.m. EDT Thursday ridge located on a line north-south over
Thunder Bay.

At 3:00 a.m. EDT today cold front located on a line
northeast-southwest over northern Ontario.
By 3:00 a.m. EDT Thursday cold front located on a line east-west
over Wawa.

End
Date modified: