Georgian Bay, Canada Marine Forecast, Warnings 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

Georgian Bay

Marine Forecast

Issued 03:00 AM EDT 04 October 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind south 15 knots increasing to southwest 20 this morning then veering to northwest 25 early this evening. Wind increasing to northwest 30 near midnight then diminishing to northwest 20 Monday afternoon.

Scattered showers today this evening and Monday.

Winds

Issued 03:00 AM EDT 04 October 2026

Today Tonight and Monday. Strong wind warning in effect. Wind south 15 knots increasing to southwest 20 this morning then veering to northwest 25 early this evening. Wind increasing to northwest 30 near midnight then diminishing to northwest 20 Monday afternoon.

Waves

Issued 03:00 AM EDT 04 October 2026

Today Tonight and Monday. Waves 0.5 to 1 metre building to 1.5 near noon and to 2 to 3 this evening. Waves subsiding to 1.5 Monday evening.

Weather & Visibility

Issued 03:00 AM EDT 04 October 2026

Today Tonight and Monday. Scattered showers today this evening and Monday.

Ice Forecasts

Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.

Warnings (In effect)

Strong wind warning in effect

Georgian Bay

Issued 03:00 AM EDT 04 October 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Technical Marine Synopsis

Issued 3:00 AM EDT 4 October 2026 Today Tonight and Monday At 3:00 a.m. EDT today departing high 1030 mb located near Maine.

At 3:00 a.m. EDT today trough located on a line north-south over
western Lake Superior.
By 3:00 a.m. EDT Monday trough located on a line northeast-southwest
over eastern Lake Ontario.

At 3:00 a.m. EDT today low 1010 mb located over northwestern
Ontario.
By 3:00 a.m. EDT Monday low 998 mb located east of James Bay.

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