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Government of Canada / Gouvernement du Canada

Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 19 March 2026

Today Tonight and Friday.

Wind south 10 knots increasing to southwest 15 near noon then diminishing to west 10 this evening. Wind becoming light near midnight then becoming south 15 near noon Friday. Wind diminishing to northeast 10 Friday afternoon.

Periods of snow changing to scattered showers or scattered flurries this afternoon and ending this evening. Snow or rain Friday. Visibility as low as 1 mile in snow.

Extended Forecast

Issued 03:00 AM EDT 19 March 2026
Saturday Wind light.
Sunday Wind light becoming northeast 15 knots late in the day.
Monday Wind light.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas
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Ice Conditions

There is no ice forecast issued for this area.

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Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 19 March 2026 Today Tonight and Friday At 3:00 a.m. EDT today low 1010 mb located over northeastern
Ontario.
By 3:00 a.m. EDT Friday departing low 1013 mb located over Quebec.

At 3:00 a.m. EDT today ridge located on a line north-south over
eastern Manitoba.
By 3:00 a.m. EDT Friday ridge located on a line north-south over
eastern Ontario.

By 3:00 a.m. EDT Friday low 1005 mb located over northwestern
Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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