Georgian Bay
Forecast
Marine Forecast
Issued 10:30 AM EDT 17 June 2025
Today Tonight and Wednesday.
Wind southeast 15 knots veering to southwest 15 this afternoon then diminishing to west 10 this evening. Wind becoming light late overnight then becoming southeast 15 Wednesday evening.
Scattered showers this afternoon and this evening with a risk of thunderstorms. Scattered showers Wednesday late in the day with a risk of thunderstorms. Fog patches forming this evening and dissipating Wednesday evening.
Waves
Issued 10:30 AM EDT 17 June 2025
Today Tonight and Wednesday.
Waves 0.5 metres or less building to 0.5 to 1 near noon then
subsiding to 0.5 or less near midnight.
Extended Forecast
Issued 03:00 AM EDT 17 June 2025
Thursday
Wind northwest 15 knots diminishing to light
late in the day.
Friday
Wind light.
Saturday
Wind southeast 15 knots veering to southwest
15.
Stay connected
Weather Conditions
Zoom-in to make a selection

Legend:


Ice Conditions
*Ice Forecast and Warnings also apply to U.S. waters
Ice Forecasts
Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EDT 17 June 2025 Today Tonight and Wednesday At 10:30 a.m. EDT today low 999 mb located northeast of LakeSuperior.
By 10:30 a.m. EDT Wednesday departing low 984 mb located over
northern Quebec.
By 10:30 a.m. EDT Wednesday approaching low 1003 mb located over
southern Wisconsin.
Great Lakes - Lake Huron Area
Another Region
- Date modified: