Marine 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 *

 
FQCN13 CWTO 210800
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. EST Thursday 21 November 2024 for today tonight
and Friday.
The next scheduled forecast will be issued at 10:30 a.m. EST.

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.
Strong wind warning in effect.
Wind north 30 knots diminishing to north 20 near noon and to north 15
 near midnight. Wind backing to northwest 15 Friday evening.
 Scattered showers ending Friday morning.

Eastern Lake Superior.
Strong wind warning in effect.
Wind northeast 25 knots increasing to northeast 30 early this morning
 then diminishing to northeast 20 near noon. Wind backing to north 20
 this evening then to northwest 20 Friday afternoon. Periods of rain
 ending Friday morning.

Whitefish Bay.
Strong wind warning in effect.
Wind northeast 15 to 20 knots becoming east 15 this morning then
 diminishing to east 10 near noon. Wind becoming light this afternoon
 then increasing to north 15 this evening. Wind increasing to north
 20 Friday morning then backing to northwest 20 Friday afternoon.
 Periods of rain ending this evening. Scattered showers Friday
 evening.

Northern Lake Huron.
Strong wind warning in effect.
Wind southwest 25 knots diminishing to southwest 15 early this
 morning and to variable 10 near noon. Wind increasing to north 15
 this evening and to north 20 near midnight. Wind increasing to north
 25 Friday morning. Scattered showers.

Southern Lake Huron.
Strong wind warning in effect.
Wind southwest 20 knots diminishing to southwest 15 early this
 morning and to variable 10 near noon. Wind increasing to northwest
 15 early this evening and to north 20 near midnight. Wind increasing
 to north 30 Friday morning. Scattered showers beginning early this
 morning.

Georgian Bay.
Strong wind warning in effect.
Wind southwest 25 knots diminishing to southwest 15 early this
 morning and to variable 10 near noon. Wind increasing to north 15
 this evening and to north 20 overnight. Wind increasing to north 25
 Friday morning. Periods of rain ending this morning. Showers tonight
 and Friday.

Lake St. Clair.
Strong wind warning in effect.
Wind southwest 15 knots diminishing to west 10 near noon then
 increasing to northwest 15 this evening. Wind increasing to
 northwest 20 overnight and to northwest 25 Friday morning. Scattered
 showers or scattered flurries today and this evening. Showers
 Friday.

Western Lake Erie.
Strong wind warning in effect.
Wind southwest 25 knots veering to west 15 to 20 near noon then to
 northwest 15 to 20 this evening. Wind becoming northwest 20
 overnight then increasing to northwest 30 Friday morning. Scattered
 showers today and this evening. Showers Friday.

Eastern Lake Erie.
Strong wind warning in effect.
Wind southwest 25 knots diminishing to southwest 15 near noon and to
 west 10 this afternoon. Wind increasing to northwest 15 this evening
 and to northwest 20 near midnight. Wind increasing to northwest 25
 Friday morning. Scattered showers ending this evening. Periods of
 rain overnight and Friday.

Western Lake Ontario.
Strong wind warning in effect.
Wind west 20 knots diminishing to southwest 10 early this morning
 then veering to west 10 this afternoon. Wind increasing to northwest
 15 this evening and to north 20 overnight. Wind diminishing to north
 15 Friday evening. Scattered showers today. Periods of rain tonight
 and Friday.

Eastern Lake Ontario.
Strong wind warning in effect.
Wind southwest 25 knots diminishing to west 15 early this morning and
 to west 10 late this morning. Wind veering to northwest 10 this
 afternoon then increasing to north 15 early this evening. Wind
 increasing to north 20 near midnight and to northeast 30 Friday
 morning. Wind diminishing to northeast 15 Friday evening. Showers
 ending early this morning. Periods of rain this afternoon tonight
 and Friday.

Kingston to Cornwall.
Strong wind warning in effect.
Wind southwest 15 knots diminishing to light early this morning then
 becoming northeast 10 early this evening. Wind increasing to
 northeast 15 near midnight and to northeast 20 overnight. Wind
 diminishing to northeast 15 near noon Friday and to northeast 10
 Friday evening. Periods of rain.

End
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