Marine Forecast
Issued 03:00 AM EDT 29 October 2025
Today Tonight and Thursday.
Strong wind warning in effect.
Wind east 15 knots backing to northeast 15 this afternoon then
diminishing to northeast 10 near midnight. Wind increasing to northeast 15
Thursday morning and to north 20 Thursday evening.
Scattered showers Thursday evening.
Winds
Issued 03:00 AM EDT 29 October 2025
Today Tonight and Thursday.
Strong wind warning in effect.
Wind east 15 knots backing to northeast 15 this afternoon then
diminishing to northeast 10 near midnight. Wind increasing to northeast 15
Thursday morning and to north 20 Thursday evening.
Waves
Issued 03:00 AM EDT 29 October 2025
Today Tonight and Thursday.
Waves 0.5 to 1 metre subsiding to 0.5 early this evening then
building to 1 to 1.5 Thursday evening.
Weather & Visibility
Issued 03:00 AM EDT 29 October 2025
Today Tonight and Thursday.
Scattered showers Thursday evening.
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)
Northern Lake Huron
Issued 03:00 AM EDT 29 October 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 3:00 AM EDT 29 October 2025 Today Tonight and Thursday At 3:00 a.m. EDT today high 1034 mb located over central Quebec.
By 3:00 a.m. EDT Thursday departing high 1026 mb located over
eastern Quebec.
At 3:00 a.m. EDT today dissipating trough located over northwestern
Ontario.
At 3:00 a.m. EDT today low 1007 mb located over Missouri.
By 3:00 a.m. EDT Thursday low 1001 mb located over western North
Carolina.