Northern Lake Huron
Forecast
Marine Forecast
Issued 10:30 AM EDT 18 April 2025
Today Tonight and Saturday.
Wind south 25 knots diminishing to southwest 15 early this evening then veering to northwest 20 late overnight. Wind increasing to northwest 25 Saturday morning.
Showers ending near noon Saturday with a risk of thunderstorms. Fog patches forming early this evening and dissipating Saturday morning.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EDT 18 April 2025
Today Tonight and Saturday.
Waves 2 metres subsiding to 1 to 1.5 this afternoon then building
to 2 early Saturday morning. Waves building to 2 to 3 near noon
Saturday.
Extended Forecast
Issued 03:00 AM EDT 18 April 2025
Sunday
Wind northwest 20 knots diminishing to light in
the afternoon then becoming northeast 15 late in the day.
Monday
Wind southeast 25 knots veering to southwest 25
late in the day.
Tuesday
Wind southwest 25 knots veering to northwest
20.
Ice Forecast*
Issued 12:00 PM EDT 18 April 2025 Today Tonight and Saturday Open water except 1 tenth thick lake ice near North Channel.
*Ice Forecast and Warnings also apply to U.S. waters
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Weather Conditions
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Ice Conditions
*Ice Forecast and Warnings also apply to U.S. waters
Ice Forecasts
Northern Lake Huron
Issued 12:00 PM EDT 18 April 2025 Today Tonight and SaturdayIce Coverage
Open water except 1 tenth thick lake ice near North Channel.
Ice Forecasts
Northern Lake Michigan
Issued 12:00 PM EDT 18 April 2025 Today Tonight and SaturdayIce Coverage
Open water.
Ice Forecasts
Southern Lake Michigan
Issued 12:00 PM EDT 18 April 2025 Today Tonight and SaturdayIce Coverage
Ice free.
Ice Forecasts
Green Bay
Issued 12:00 PM EDT 18 April 2025 Today Tonight and SaturdayIce Coverage
Open water except 1 tenth thick lake ice in Bays de Noc.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EDT 18 April 2025 Today Tonight and Saturday At 10:30 a.m. EDT today departing ridge located on a linenorth-south over southern Quebec.
At 10:30 a.m. EDT today trough located on a line northeast-southwest
over northeastern Ontario.
By 10:30 a.m. EDT Saturday trough located on a line
northeast-southwest over southern Ontario.
At 10:30 a.m. EDT today ridge located on a line northeast-southwest
over northern Manitoba.
By 10:30 a.m. EDT Saturday ridge located on a line
northeast-southwest over northwestern Ontario.
Great Lakes - Lake Huron Area
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