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

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Provinces/Territories

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

 
FQCN13 CWTO 050700
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 Saturday 5 September 2026 for today tonight
and Sunday.
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 northeast 10 knots becoming light near noon. Wind light tonight
 and Sunday.

Eastern Lake Superior.
Wind northeast 10 knots becoming light near midnight then becoming
 northwest 10 Sunday afternoon. Wind becoming light Sunday evening.

Whitefish Bay.
Wind northeast 10 knots becoming light this morning then becoming
 northwest 10 this afternoon. Wind becoming light near midnight then
 becoming northwest 10 Sunday afternoon. Wind becoming light Sunday
 evening.

Northern Lake Huron.
Wind north 10 knots increasing to northeast 15 early this morning
 then diminishing to northwest 10 this afternoon. Wind veering to
 northeast 10 near midnight then becoming light Sunday morning. Wind
 becoming northwest 10 Sunday evening.

Southern Lake Huron.
Wind northeast 10 knots increasing to north 15 this morning then
 diminishing to northeast 10 Sunday morning. Wind increasing to north
 15 Sunday afternoon then diminishing to north 10 Sunday evening.
 Scattered showers ending this morning.

Georgian Bay.
Wind north 10 knots veering to northeast 10 early this morning then
 backing to northwest 10 near noon. Wind veering to northeast 10 this
 evening then becoming light Sunday morning. Wind becoming northwest
 10 Sunday afternoon.

Lake St. Clair.
Wind northeast 10 knots increasing to north 15 this afternoon then
 diminishing to northeast 10 near midnight. Wind northeast 10 Sunday.
 Scattered showers ending this afternoon with a risk of
 thunderstorms.

Western Lake Erie.
Wind northeast 10 knots increasing to northeast 15 early this morning
 then diminishing to northeast 10 this afternoon. Wind increasing to
 northeast 15 near midnight then diminishing to northeast 10 Sunday
 afternoon. Scattered showers ending this afternoon with a risk of
 thunderstorms.

Eastern Lake Erie.
Wind northeast 10 knots increasing to northeast 15 this morning then
 diminishing to northeast 10 overnight. Wind increasing to northeast
 15 near noon Sunday. Scattered showers this morning.

Western Lake Ontario.
Wind north 10 knots veering to northeast 10 early this morning then
 becoming light near noon. Wind becoming northeast 10 near midnight
 then increasing to northeast 15 Sunday morning. Wind diminishing to
 east 10 Sunday afternoon then becoming light Sunday evening.

Eastern Lake Ontario.
Wind north 10 knots veering to northeast 10 early this morning then
 becoming light near noon. Wind becoming northeast 10 this evening
 then increasing to northeast 15 near midnight. Wind diminishing to
 northeast 10 Sunday afternoon then becoming light Sunday evening.

Kingston to Cornwall.
Wind light becoming northeast 10 knots this evening then becoming
 light Sunday afternoon. Scattered showers this afternoon and
 tonight. Risk of thunderstorms late this afternoon and this evening.
 Fog patches dissipating this morning.

End
$$$$^^

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