Marine Forecast
Issued 10:30 AM EST 04 November 2025
Today Tonight and Wednesday.
Gale warning in effect.
Wind west 20 knots diminishing to west 15 this afternoon and to
southwest 10 this evening. Wind increasing to south 15 late overnight and to
southwest 20 early Wednesday morning. Wind veering to west 25 near noon
Wednesday then increasing to northwest 35 Wednesday afternoon.
Showers Wednesday. Risk of thunderstorms Wednesday
afternoon and evening.
Winds
Issued 10:30 AM EST 04 November 2025
Today Tonight and Wednesday.
Gale warning in effect.
Wind west 20 knots diminishing to west 15 this afternoon and to
southwest 10 this evening. Wind increasing to south 15 late overnight and to
southwest 20 early Wednesday morning. Wind veering to west 25 near noon
Wednesday then increasing to northwest 35 Wednesday afternoon.
Waves
Issued 10:30 AM EST 04 November 2025
Today Tonight and Wednesday.
Waves 2 metres subsiding to 1.5 near noon and to 1 early this
evening. Waves building to 1.5 early Wednesday morning and to 3 Wednesday
afternoon.
Weather & Visibility
Issued 10:30 AM EST 04 November 2025
Today Tonight and Wednesday.
Showers Wednesday. Risk of thunderstorms Wednesday
afternoon and 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)
Southern Lake Huron
Issued 10:30 AM EST 04 November 2025'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 EST 4 November 2025 Today Tonight and Wednesday At 10:30 a.m. EST today ridge located on a line northwest-southeast
over Ohio.
By 10:30 a.m. EST Wednesday departing ridge located on a line
east-west over the Eastern Seaboard.
By 10:30 a.m. EST Wednesday deepening low 1005 mb located over
Lake Huron.