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 06:30 PM EDT 17 June 2026

Tonight and Thursday.

Strong wind warning in effect.

Wind variable 10 knots increasing to southeast 15 this evening and to east 15 to 20 near midnight. Wind becoming variable 15 Thursday morning then increasing to northwest 20 near noon Thursday.

Rain beginning this evening changing to scattered showers Thursday morning. Risk of thunderstorms tonight and Thursday morning. Fog patches dissipating Thursday evening.

Winds

Issued 06:30 PM EDT 17 June 2026

Tonight and Thursday. Strong wind warning in effect. Wind variable 10 knots increasing to southeast 15 this evening and to east 15 to 20 near midnight. Wind becoming variable 15 Thursday morning then increasing to northwest 20 near noon Thursday.

Waves

Issued 06:30 PM EDT 17 June 2026

Tonight and Thursday. Waves 0.5 metres or less building to 1 near midnight and to 1 to 1.5 Thursday afternoon.

Weather & Visibility

Issued 06:30 PM EDT 17 June 2026

Tonight and Thursday. Rain beginning this evening changing to scattered showers Thursday morning. Risk of thunderstorms tonight and Thursday morning. Fog patches dissipating Thursday evening.

Ice Forecasts

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

Warnings (In effect)

Strong wind warning in effect

Southern Georgian Bay

Issued 6:30 PM EDT 17 June 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 6:30 PM EDT 17 June 2026 Tonight and Thursday At 6:30 p.m. EDT tonight low 990 mb located over southern Minnesota.
By 6:30 p.m. EDT Thursday low 991 mb located over southern Quebec.

By 6:30 p.m. EDT Thursday trough located on a line north-south
over western Lake Superior.

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