Northern Lake Huron
Forecast
Marine Forecast
Issued 10:30 AM EDT 30 April 2025
Today Tonight and Thursday.
Wind variable 10 knots becoming southeast 10 near midnight then increasing to east 15 Thursday morning. Wind backing to northeast 20 Thursday afternoon.
Showers and fog patches Thursday. Risk of thunderstorms Thursday afternoon and evening.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EDT 30 April 2025
Today Tonight and Thursday.
Waves 0.5 to 1 metre subsiding to 0.5 or less near noon then
building to 0.5 to 1 near noon Thursday. Waves building to 1 to 1.5 Thursday
evening.
Extended Forecast
Issued 03:00 AM EDT 30 April 2025
Friday
Wind northeast 15 knots backing to northwest 15
in the morning then diminishing to light in the afternoon.
Saturday
Wind northwest 15 knots.
Sunday
Wind north 15 knots.
Ice Forecast*
Issued 12:00 PM EDT 29 April 2025 Today Tonight and Wednesday 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 29 April 2025 Today Tonight and WednesdayIce Coverage
Open water.
Ice Forecasts
Lake Michigan
Issued 12:00 PM EDT 29 April 2025 Today Tonight and WednesdayIce Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EDT 30 April 2025 Today Tonight and Thursday At 10:30 a.m. EDT today high 1025 mb located over northeasternOntario.
By 10:30 a.m. EDT Thursday high 1024 mb located over eastern Quebec.
By 10:30 a.m. EDT Thursday approaching low 1004 mb located over
Lake Michigan.
Great Lakes - Lake Erie and Lake Ontario Area
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