Marine Forecast
Issued 10:30 AM EDT 05 April 2026
Today Tonight and Monday.
Wind northwest 25 knots diminishing to northwest 15 near noon
and to north 10 early this evening. Wind increasing to north 15 near midnight
and to north 25 Monday morning.
Periods of snow overnight and Monday morning. 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 northwest 25 knots diminishing to northwest 15 near noon
and to north 10 early this evening. Wind increasing to north 15 near midnight
and to north 25 Monday morning.
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 metres subsiding to 1 this afternoon and
to 0.5 this evening. Waves building to 1 late overnight and to 2 near noon
Monday.
Weather & Visibility
Issued 10:30 AM EDT 05 April 2026
Today Tonight and Monday.
Periods of snow overnight and Monday morning. Visibility as
low as 1 mile in snow.
Ice ForecastsIssued 12:00 PM EDT 5 April 2026 Today Tonight and Monday
Ice Coverage
1 tenth thick lake ice except 9 tenths thick lake ice near Duluth. Consolidated thick lake ice along parts of the southern shore. Consolidated very thick lake ice in Black Bay, Nipigon Bay and Thunder Bay.
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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