Marine Forecast
Issued 10:30 AM EDT 05 April 2026
Today Tonight and Monday.
Wind northwest 25 knots diminishing to northwest 15 early this
evening then veering to north 15 late overnight. Wind increasing to north 20
Monday morning and to north 25 Monday afternoon.
Periods of snow Monday. 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 early this
evening then veering to north 15 late overnight. Wind increasing to north 20
Monday morning and to north 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 metres subsiding to 1.5 this afternoon
and to 1 this evening. Waves building to 1.5 near noon Monday and to 2 Monday
evening.
Weather & Visibility
Issued 10:30 AM EDT 05 April 2026
Today Tonight and Monday.
Periods of snow Monday. Visibility as low as 1 mile in
snow.
Ice ForecastsIssued 12:00 PM EDT 5 April 2026 Today Tonight and Monday
Ice Coverage
Open water except 1 tenth thick lake ice in the extreme southeastern section. 9 tenths thick lake ice along parts of the southern shore. Consolidated thick lake ice along parts of the southern 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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