Northern Lake Huron
Forecast
Marine Forecast
Issued 10:30 AM EDT 27 April 2025
Today Tonight and Monday.
Wind northwest 10 knots becoming light this afternoon then increasing to south 15 near midnight. Wind increasing to south 20 Monday afternoon and to south 25 Monday evening.
Scattered showers Monday evening.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EDT 27 April 2025
Today Tonight and Monday.
Waves 0.5 metres or less building to 0.5 to 1 late overnight and
to 1 to 1.5 Monday evening.
Extended Forecast
Issued 03:00 AM EDT 27 April 2025
Tuesday
Wind south 25 knots increasing to northwest 30
late in the day.
Wednesday
Wind northwest 30 knots diminishing to
light.
Thursday
Wind light becoming north 15 knots late in
the day.
Ice Forecast*
Issued 12:00 PM EDT 25 April 2025 Today Tonight and Saturday Open water.
*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 25 April 2025 Today Tonight and SaturdayIce Coverage
Open water.
Ice Forecasts
Northern Lake Michigan
Issued 12:00 PM EDT 25 April 2025 Today Tonight and SaturdayIce Coverage
Ice free.
Ice Forecasts
Southern Lake Michigan
Issued 12:00 PM EDT 25 April 2025 Today Tonight and SaturdayIce Coverage
Ice free.
Ice Forecasts
Green Bay
Issued 12:00 PM EDT 25 April 2025 Today Tonight and SaturdayIce Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EDT 27 April 2025 Today Tonight and Monday At 10:30 a.m. EDT today departing low 1000 mb located southwestof New Brunswick.
At 10:30 a.m. EDT today high 1029 mb located over Ohio.
By 10:30 a.m. EDT Monday high 1028 mb located over Virginia.
By 10:30 a.m. EDT Monday approaching trough located on a line
northeast-southwest over northern Ontario.
Great Lakes - Lake Erie and Lake Ontario Area
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