Marine Forecasts for the Great Lakes and St. Lawrence River (On)
* NOTE: Corrected and/or amended bulletins are listed first *
FQCN13 CWTO 300700 Marine forecasts 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 forecast will be issued at 10:30 a.m. EDT. Fog implies visibility less than 1 mile. Winds are for offshore areas. Nearshore winds may vary considerably due to shoreline effects. Western Lake Superior. Wind variable 10 knots increasing to southeast 15 early this morning and to southeast 20 this afternoon. Wind diminishing to southeast 15 this evening and to east 10 Thursday afternoon. Wind becoming light Thursday evening. Eastern Lake Superior. Wind variable 10 knots increasing to southeast 15 this morning and to southeast 20 this afternoon. Wind diminishing to southeast 15 near midnight and to variable 10 Thursday afternoon. Whitefish Bay. Wind northwest 10 knots becoming light early this morning then becoming southeast 15 this evening. Wind diminishing to southeast 10 Thursday morning then becoming light Thursday afternoon. Scattered showers Thursday afternoon and evening. Northern Lake Huron. Wind north 15 knots diminishing to variable 10 early this morning then becoming southeast 10 near midnight. Wind increasing to east 15 Thursday morning then backing to northeast 20 Thursday afternoon. Showers and fog patches Thursday. Risk of thunderstorms Thursday afternoon and evening. Southern Lake Huron. Wind north 15 knots diminishing to variable 10 this morning then becoming light near midnight. Wind becoming east 15 Thursday morning then veering to southeast 15 near noon Thursday. Wind veering to south 15 Thursday afternoon except northeast 15 over northern sections. Wind diminishing to variable 10 Thursday evening. Showers Thursday with a risk of thunderstorms. Fog patches forming near noon Thursday. Northern Georgian Bay. Wind north 15 knots diminishing to variable 10 early this morning then becoming light early this evening. Wind becoming southeast 10 overnight then increasing to east 15 near noon Thursday. Wind backing to northeast 20 Thursday afternoon. Showers and fog patches Thursday afternoon and evening. Southern Georgian Bay. Wind north 15 knots diminishing to variable 10 early this morning then becoming light early this evening. Wind becoming southeast 10 overnight then increasing to east 15 near noon Thursday. Wind veering to southeast 20 Thursday evening. Showers and fog patches Thursday afternoon and evening with a risk of thunderstorms. Lake St. Clair. Wind north 10 knots becoming light this morning then becoming east 10 near midnight. Wind increasing to southeast 15 Thursday morning then veering to southwest 15 near noon Thursday. Showers Thursday with a risk of thunderstorms. Fog patches forming near noon Thursday. Western Lake Erie. Wind north 15 knots diminishing to variable 10 this morning then becoming east 10 early this evening. Wind increasing to east 15 near midnight then veering to southeast 15 Thursday morning. Wind veering to southwest 15 Thursday afternoon. Showers and fog patches Thursday with a risk of thunderstorms. Eastern Lake Erie. Wind north 10 knots becoming variable 10 this morning then becoming northeast 10 near midnight. Wind increasing to east 15 Thursday morning then becoming southwest 15 Thursday evening. Scattered showers Thursday with a risk of thunderstorms. Fog patches forming Thursday evening. Western Lake Ontario. Wind northwest 15 knots diminishing to variable 10 this morning then becoming northeast 10 near midnight. Wind increasing to northeast 15 Thursday morning then veering to east 20 Thursday afternoon. Wind diminishing to variable 10 Thursday evening. Showers Thursday afternoon and evening with a risk of thunderstorms. Fog patches forming Thursday evening. Eastern Lake Ontario. Wind northwest 15 knots diminishing to variable 10 this morning then becoming east 10 overnight. Wind increasing to east 15 Thursday morning and to east 20 Thursday afternoon. Wind veering to south 15 Thursday evening. Scattered showers Thursday late in the day with a risk of thunderstorms. Kingston to Cornwall. Wind northwest 15 knots diminishing to northwest 10 early this morning then becoming light near noon. Wind becoming northeast 10 Thursday afternoon. Scattered showers Thursday evening. End $$$$^^
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