Marine Forecasts for the Great Lakes and St. Lawrence River (On)
* NOTE: Corrected and/or amended bulletins are listed first *
FQCN13 CWTO 020700 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 2 July 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. Note..The strong wind warning program is active from May 01 to November 30. Western Lake Superior. Wind west 10 knots becoming light near midnight then becoming southeast 10 Thursday afternoon. Scattered showers this afternoon with a risk of thunderstorms. Fog patches dissipating this afternoon. Eastern Lake Superior. Wind light becoming southwest 10 knots near noon then becoming light near midnight. Wind becoming west 10 Thursday afternoon then becoming light Thursday evening. Scattered showers this afternoon and this evening with a risk of thunderstorms. Fog patches dissipating this afternoon. Whitefish Bay. Wind light becoming west 10 knots near noon then becoming light early this evening. Wind becoming northwest 10 Thursday afternoon then becoming light Thursday evening. Scattered showers this afternoon and this evening with a risk of thunderstorms. Fog patches dissipating this evening. Northern Lake Huron. Wind west 10 knots backing to southwest 10 this morning then increasing to west 15 to 20 this evening. Wind veering to northwest 15 to 20 overnight then becoming northwest 15 Thursday morning. Wind diminishing to west 10 near noon Thursday. Southern Lake Huron. Wind southwest 10 knots veering to west 10 this evening then increasing to northwest 15 Thursday morning. Wind diminishing to northwest 10 near noon Thursday then becoming light Thursday evening. Scattered showers this afternoon and tonight with a risk of thunderstorms. Georgian Bay. Wind west 10 knots increasing to southwest 15 near noon and to west 15 to 20 this evening. Wind veering to northwest 15 to 20 overnight then becoming northwest 15 Thursday morning. Wind diminishing to west 10 near noon Thursday. Lake St. Clair. Wind light becoming west 10 knots this evening then veering to north 10 Thursday morning. Wind becoming light Thursday afternoon. Scattered showers this afternoon and tonight with a risk of thunderstorms. Western Lake Erie. Wind light becoming southwest 10 knots early this evening then veering to west 10 overnight. Wind veering to northwest 10 Thursday morning then becoming light Thursday afternoon. Scattered showers this afternoon and tonight with a risk of thunderstorms. Eastern Lake Erie. Wind light becoming southwest 10 knots this afternoon then veering to west 10 overnight. Wind becoming variable 10 Thursday morning then becoming southwest 10 Thursday evening. Scattered showers this afternoon and tonight with a risk of thunderstorms. Western Lake Ontario. Wind west 10 knots backing to southwest 10 this morning then increasing to west 15 near midnight. Wind increasing to west 15 to 20 Thursday morning then becoming west 15 Thursday afternoon. Wind diminishing to west 10 Thursday evening. Scattered showers this afternoon and this evening with a risk of thunderstorms. Showers Thursday late in the day with a risk of thunderstorms. Eastern Lake Ontario. Wind west 10 knots increasing to west 15 near noon then backing to southwest 15 near midnight. Wind increasing to west 15 to 20 Thursday morning then becoming west 15 Thursday afternoon. Scattered showers this afternoon and this evening with a risk of thunderstorms. Showers Thursday late in the day with a risk of thunderstorms. Kingston to Cornwall. Wind southwest 10 knots increasing to southwest 15 this afternoon then diminishing to west 10 overnight. Wind veering to northwest 10 Thursday morning. Scattered showers this afternoon and this evening with a risk of thunderstorms. Showers Thursday late in the day with a risk of thunderstorms. End $$$$^^
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