Marine Forecast
Issued 10:30 AM EDT 05 April 2026
Today Tonight and Monday.
Wind west 25 knots increasing to west 30 near noon then
diminishing to northwest 20 early this evening. Wind diminishing to northwest 15
near midnight and to light early Monday morning.
Scattered flurries ending this evening. Periods of snow
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 increasing to west 30 near noon then
diminishing to northwest 20 early this evening. Wind diminishing to northwest 15
near midnight and to light early 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 1.5 metres building to 2 this afternoon
then subsiding to 1.5 this evening. Waves subsiding to 0.5 to 1 late overnight
and to less than 0.5 Monday morning.
Weather & Visibility
Issued 10:30 AM EDT 05 April 2026
Today Tonight and Monday.
Scattered flurries ending this evening. Periods of snow
Monday evening.
Ice ForecastsIssued 12:00 PM EDT 5 April 2026 Today Tonight and Monday
Ice Coverage
1 tenth thick lake ice except 5 tenths thick lake ice in the extreme western section. Consolidated rotten thick lake ice along parts of the shore.
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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