Marine Forecast marine forecasts for the Great Lakes and the Ontario portion of the St. Lawrence river issued by environment Canada from the regional weather Centre in Thunder Bay at 6.30 pm EDT Thursday 3 may 2001 for the period ending at 6.30 pm Friday with an outlook for the following 24 hours. The next scheduled forecast will be issued at 3.00 am Friday.
Winds are for Mid Lake.
Wave heights are for offshore and are forecast from trough to crest. Nearshore winds and waves may vary considerably due to shoreline effects. Western Lake Superior. Wind variable 10 knots. Waves less than 1 metre.