Eastern Lake Superior
Forecast
Marine Forecast
Issued 06:30 PM EST 05 February 2023
Tonight and Monday.
Wind northwest 15 knots diminishing to variable 10 this evening then increasing to south 15 early Monday morning. Wind increasing to south 25 late Monday morning and to south 30 Monday afternoon.
Scattered flurries this evening. Snow Monday evening. Visibility 1 mile or less in snow.
Strong wind warning program has ended for the season.
Waves
Issued 06:30 PM EST 05 February 2023
Tonight and Monday.
Waves 0.5 to 1 metre subsiding to 0.5 or less near midnight then
building to 1.5 Monday morning. Waves building to 2 to 3 near noon Monday and to
3 to 4 Monday evening.
Extended Forecast
Issued 06:30 PM EST 05 February 2023
Tuesday
Wind south 30 knots veering to west 30 in the
morning then diminishing to west 20 late in the day.
Wednesday
Wind southwest 15 knots diminishing to light
late in the day.
Thursday
Wind light increasing to north 25 knots late
in the day.
Ice Forecast*
Issued 12:00 PM EST 5 February 2023 Today Tonight and Monday Open water except 8 tenths new lake ice including 2 tenths thin lake
ice along parts of the southern shore.
*Ice Forecast and Warnings also apply to U.S. waters
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Weather Conditions
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Ice Conditions
*Ice Forecast and Warnings also apply to U.S. waters
Ice Forecasts
Issued 12:00 PM EST 5 February 2023 Today Tonight and MondayIce Coverage
Open water except 8 tenths new lake ice including 2 tenths thin lake
ice along parts of the southern shore.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 6:30 PM EST 5 February 2023 Tonight and Monday At 6:30 p.m. EST tonight dissipating low 1009 mb located oversouthern Georgian Bay.
At 6:30 p.m. EST tonight ridge located on a line northeast-southwest
over northwestern Ontario.
By 6:30 p.m. EST Monday ridge located on a line northeast-southwest
over southern Quebec.
By 6:30 p.m. EST Monday approaching low 991 mb located over the
northern Ontario - Manitoba border.
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