Southern Georgian Bay Marine Forecast and Alerts

Canada

N.America Satellite

Canada Radar

Current Conditions

Canada 7 Day High and Low Temperatures Forecast

10 Day Forecast

Lightning Danger Radar

Lightning Strikes Radar

Southern Georgian Bay

Marine Forecast

Issued 03:00 AM EDT 17 March 2026

Today Tonight and Wednesday.

Gale warning in effect.

Wind northwest 30 to 35 knots diminishing to northwest 25 early this morning then backing to west 20 this afternoon. Wind diminishing to variable 5 to 10 near midnight then increasing to south 15 Wednesday morning. Wind increasing to south 20 Wednesday evening.

Scattered flurries ending near midnight. Periods of snow Wednesday evening. Visibility 1 mile or less in precipitation.

Winds

Issued 03:00 AM EDT 17 March 2026

Today Tonight and Wednesday. Gale warning in effect. Wind northwest 30 to 35 knots diminishing to northwest 25 early this morning then backing to west 20 this afternoon. Wind diminishing to variable 5 to 10 near midnight then increasing to south 15 Wednesday morning. Wind increasing to south 20 Wednesday evening.

Waves

Issued 03:00 AM EDT 17 March 2026

Today Tonight and Wednesday. Over open water waves 1 metre subsiding to less than 0.5 near midnight then building to 0.5 Wednesday afternoon.

Weather & Visibility

Issued 03:00 AM EDT 17 March 2026

Today Tonight and Wednesday. Scattered flurries ending near midnight. Periods of snow Wednesday evening. Visibility 1 mile or less in precipitation.

Ice Forecasts

Issued 12:00 PM EDT 16 March 2026 Today Tonight and Tuesday

Ice Coverage

2 tenths thick lake ice. Consolidated thick lake ice along parts of
the shore.

Warnings (In effect)

Gale warning in effect

Southern Georgian Bay

Issued 03:00 AM EDT 17 March 2026

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Technical Marine Synopsis

Issued 3:00 AM EDT 17 March 2026 Today Tonight and Wednesday At 3:00 a.m. EDT today low 977 mb located over central Quebec.
By 3:00 a.m. EDT Wednesday departing low 953 mb located over
northern Quebec.

At 3:00 a.m. EDT today ridge located on a line north-south over
Lake of the Woods.
By 3:00 a.m. EDT Wednesday ridge located on a line north-south
over northern Ontario.

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