Marine Forecast
Issued 10:30 AM EDT 05 April 2026
Today Tonight and Monday.
Wind west 25 knots veering to northwest 20 early this evening
then diminishing to northwest 15 near midnight. Wind diminishing to variable 10
early Monday morning then increasing to northwest 20 Monday
afternoon.
Scattered flurries ending this evening. Flurries or showers
Monday evening.
Strong wind warning program has ended for the season.
Winds
Issued 10:30 AM EDT 05 April 2026
Today Tonight and Monday.
Wind west 25 knots veering to northwest 20 early this evening
then diminishing to northwest 15 near midnight. Wind diminishing to variable 10
early Monday morning then increasing to northwest 20 Monday
afternoon.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EDT 05 April 2026
Today Tonight and Monday.
Waves 1.5 metres subsiding to 0.5 to 1 late overnight and to 0.5
or less Monday morning. Waves building to 1.5 Monday evening.
Weather & Visibility
Issued 10:30 AM EDT 05 April 2026
Today Tonight and Monday.
Scattered flurries ending this evening. Flurries or showers
Monday evening.
Ice ForecastsSouthern Lake HuronIssued 12:00 PM EDT 5 April 2026 Today Tonight and Monday
Ice ForecastsNorthern Lake MichiganIssued 12:00 PM EDT 5 April 2026 Today Tonight and Monday
Ice Coverage
Open water except 2 tenths thick lake ice north of and east of Fox Islands. Consolidated thick lake ice in and near the Straits of Mackinac.
Ice ForecastsSouthern Lake MichiganIssued 12:00 PM EDT 5 April 2026 Today Tonight and Monday
Ice ForecastsGreen BayIssued 12:00 PM EDT 5 April 2026 Today Tonight and Monday
Ice Coverage
1 tenth thick lake ice except 5 tenths thick lake ice south of Chambers Island. Consolidated thick lake ice in Bays de Noc.
No watches or warnings in effect.
Technical Marine SynopsisIssued 10:30 AM EDT 5 April 2026 Today Tonight and Monday At 10:30 a.m. EDT today departing low 995 mb located over northern Quebec.
At 10:30 a.m. EDT today departing cold front from low located on a line north-south over Montréal.
At 10:30 a.m. EDT today trough located on a line east-west over northwestern Ontario. By 10:30 a.m. EDT Monday low 1016 mb located over southern Lake Superior.
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