Wave Height Forecasts for the Great Lakes and St. Lawrence River (On)

Choose a Province or Territory

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

 
FQCN23 CWTO 072230
Wave height forecasts for the Canadian portion of the Great Lakes
issued by Environment Canada at 6:30 p.m. EDT Sunday 7 June 2026 for
tonight and Monday.
The next scheduled forecast will be issued at 3:00 a.m. EDT Monday.

Wave heights are for offshore and are forecast from trough to crest.
Nearshore waves may vary considerably due to shoreline effects.

Western Lake Superior.
Waves 0.5 metres or less building to 0.5 to 1 early Monday morning.

Eastern Lake Superior.
Waves 0.5 metres or less building to 0.5 to 1 late overnight.

Whitefish Bay.
Waves 0.5 metres or less.

Northern Lake Huron.
Waves 0.5 metres or less building to 0.5 to 1 Monday evening.

Southern Lake Huron.
Waves 0.5 metres or less.

Georgian Bay.
Waves 0.5 metres or less.

Lake St. Clair.
Waves 0.5 metres or less.

Western Lake Erie.
Waves 0.5 metres or less building to 0.5 to 1 Monday evening.

Eastern Lake Erie.
Waves 0.5 metres or less.

Western Lake Ontario.
Waves 0.5 metres or less.

Eastern Lake Ontario.
Waves 0.5 metres or less.

End
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