Marine Forecast
Issued 10:30 AM EDT 16 August 2025
Today Tonight and Sunday.
Strong wind warning in effect.
Wind south 10 knots becoming variable 10 early this evening then
increasing to northwest 15 near midnight. Wind increasing to northeast 20 Sunday
morning then backing to north 15 to 20 Sunday evening.
Scattered showers this afternoon tonight and Sunday morning
with a risk of thunderstorms.
Winds
Issued 10:30 AM EDT 16 August 2025
Today Tonight and Sunday.
Strong wind warning in effect.
Wind south 10 knots becoming variable 10 early this evening then
increasing to northwest 15 near midnight. Wind increasing to northeast 20 Sunday
morning then backing to north 15 to 20 Sunday evening.
Waves
Issued 10:30 AM EDT 16 August 2025
Today Tonight and Sunday.
Waves 0.5 metres or less building to 0.5 to 1 late overnight and
to 1 to 1.5 near noon Sunday. Waves subsiding to 1 Sunday evening.
Weather & Visibility
Issued 10:30 AM EDT 16 August 2025
Today Tonight and Sunday.
Scattered showers this afternoon tonight and Sunday morning
with a risk of thunderstorms.
Ice Forecasts
Lake Huron
Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.Ice Forecasts
Lake Michigan
Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings (In effect)
Southern Lake Huron
Issued 10:30 AM EDT 16 August 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 10:30 AM EDT 16 August 2025 Today Tonight and Sunday At 10:30 a.m. EDT today departing ridge located on a line
northeast-southwest over Maine.
At 10:30 a.m. EDT today cold front located on a line
northeast-southwest over North Channel.
By 10:30 a.m. EDT Sunday cold front located on a line
northeast-southwest over southern Ontario.
At 10:30 a.m. EDT today ridge located on a line northwest-southeast
over northwestern Ontario.
By 10:30 a.m. EDT Sunday ridge located on a line northwest-southeast
over northern Ontario.