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


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

 
FQCN10 CWTO 300700
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 30 April 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 departing trough located on a line
northeast-southwest over eastern Ontario.

At 3:00 a.m. EDT today high 1025 mb located over Lake Superior.
By 3:00 a.m. EDT Thursday high 1024 mb located over western Quebec.

By 3:00 a.m. EDT Thursday approaching low 1005 mb located over
Missouri.

End
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