Marine Forecast
Issued 06:30 PM EDT 03 June 2025
Tonight and Wednesday.
Strong wind warning in effect.
Wind south 20 knots increasing to south 25 near midnight then
diminishing to southwest 15 Wednesday morning. Wind diminishing to west 10
Wednesday afternoon then becoming light Wednesday evening.
Showers Wednesday afternoon and evening with a risk of
thunderstorms.
Winds
Issued 06:30 PM EDT 03 June 2025
Tonight and Wednesday.
Strong wind warning in effect.
Wind south 20 knots increasing to south 25 near midnight then
diminishing to southwest 15 Wednesday morning. Wind diminishing to west 10
Wednesday afternoon then becoming light Wednesday evening.
Waves
Issued 06:30 PM EDT 03 June 2025
Tonight and Wednesday.
Waves 0.5 to 1 metre building to 1 to 1.5 this evening then
subsiding to 0.5 to 1 near noon Wednesday. Waves subsiding to 0.5 or less
Wednesday evening.
Weather & Visibility
Issued 06:30 PM EDT 03 June 2025
Tonight and Wednesday.
Showers Wednesday afternoon and evening with a risk of
thunderstorms.
Ice Forecasts
Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings (In effect)
Northern Georgian Bay
Issued 6:30 PM EDT 03 June 2025'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 or Weatheradio stations.
Technical Marine Synopsis
Issued 6:30 PM EDT 3 June 2025 Tonight and Wednesday At 6:30 p.m. EDT tonight quasi-stationary ridge located on a line
northeast-southwest over the East Coast of the U.S.
At 6:30 p.m. EDT tonight trough located on a line
northeast-southwest over eastern Lake Superior.
By 6:30 p.m. EDT Wednesday trough located on a line
northeast-southwest over southern Ontario.