Northern Lake Huron
Forecast
Marine Forecast
Issued 03:00 AM EDT 17 April 2025
Today Tonight and Friday.
Wind northwest 10 knots becoming variable 10 early this morning then increasing to southeast 15 early this evening. Wind veering to south 20 near midnight then increasing to south 25 Friday morning. Wind diminishing to south 15 Friday afternoon and to variable 10 Friday evening.
Scattered showers overnight and Friday with a risk of thunderstorms. Fog patches forming Friday evening.
Strong wind warning program has ended for the season.
Waves
Extended Forecast
Ice Forecast*
*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 16 April 2025 Today Tonight and ThursdayIce Coverage
Open water except 1 tenth thick lake ice near North Channel.
Ice Forecasts
Northern Lake Michigan
Issued 12:00 PM EDT 16 April 2025 Today Tonight and ThursdayIce Coverage
Open water.
Ice Forecasts
Southern Lake Michigan
Issued 12:00 PM EDT 16 April 2025 Today Tonight and ThursdayIce Coverage
Ice free.
Ice Forecasts
Green Bay
Issued 12:00 PM EDT 16 April 2025 Today Tonight and ThursdayIce 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 3:00 AM EDT 17 April 2025 Today Tonight and Friday At 3:00 a.m. EDT today ridge located on a line north-south overWhitefish Bay.
By 3:00 a.m. EDT Friday ridge located on a line north-south over
the St. Lawrence River.
At 3:00 a.m. EDT today low 998 mb located over South Dakota.
By 3:00 a.m. EDT Friday trough from 994 mb low located on a line
northeast-southwest over western Lake Superior.
Great Lakes - Lake Erie and Lake Ontario Area
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