Marine Forecast
Issued 10:30 AM EDT 05 April 2026
Today Tonight and Monday.
Wind west 30 knots veering to northwest 30 this afternoon then
diminishing to northwest 20 this evening. Wind diminishing to northwest 15 near
midnight and to variable 10 early Monday morning. Wind increasing to northwest
25 Monday afternoon.
Scattered flurries ending near midnight. Periods of snow
Monday late in the day. Visibility as low as 1 mile in snow.
Strong wind warning program has ended for the season.
Winds
Issued 10:30 AM EDT 05 April 2026
Today Tonight and Monday.
Wind west 30 knots veering to northwest 30 this afternoon then
diminishing to northwest 20 this evening. Wind diminishing to northwest 15 near
midnight and to variable 10 early Monday morning. Wind increasing to northwest
25 Monday afternoon.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EDT 05 April 2026
Today Tonight and Monday.
Over open water waves 2 to 3 metres subsiding to 0.5 to 1 near
midnight and to 0.5 or less Monday morning. Waves building to 2 Monday
evening.
Weather & Visibility
Issued 10:30 AM EDT 05 April 2026
Today Tonight and Monday.
Scattered flurries ending near midnight. Periods of snow
Monday late in the day. Visibility as low as 1 mile in snow.
Ice ForecastsNorthern Lake HuronIssued 12:00 PM EDT 5 April 2026 Today Tonight and Monday
Ice Coverage
Open water except 5 tenths thick lake ice near parts of the western shore. Consolidated thick lake ice along parts of the shore.
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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