Western Lake Superior
Forecast
Marine Forecast
Issued 06:30 PM EDT 19 April 2024
Tonight and Saturday.
Wind west 25 knots veering to northwest 20 near midnight then backing to west 15 near noon Saturday.
Scattered showers or scattered flurries this evening.
Strong wind warning program has ended for the season.
Waves
Issued 06:30 PM EDT 19 April 2024
Tonight and Saturday.
Waves 1.5 metres subsiding to 1 near noon Saturday.
Extended Forecast
Issued 06:30 PM EDT 19 April 2024
Sunday
Wind northwest 20 knots diminishing to light
late in the day.
Monday
Wind light increasing to south 20 knots late in
the day.
Tuesday
Wind variable 15 knots increasing to north
20.
Ice Forecast*
Issued 12:00 PM EDT 19 April 2024 Today Tonight and Saturday Open water except 7 tenths rotten thick lake ice in extreme western
Nipigon Bay.
*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 EDT 19 April 2024 Today Tonight and SaturdayIce Coverage
Open water except 7 tenths rotten thick lake ice in extreme western
Nipigon Bay.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 6:30 PM EDT 19 April 2024 Tonight and Saturday At 6:30 p.m. EDT tonight low 999 mb located southwest of James Bay.By 6:30 p.m. EDT Saturday low 990 mb located east of Hudson Bay.
At 6:30 p.m. EDT tonight trough from low located on a line
north-south over the Ontario - Quebec border.
By 6:30 p.m. EDT Saturday trough from low located off the Eastern
Seaboard.
At 6:30 p.m. EDT tonight ridge located from Montana to Indiana.
By 6:30 p.m. EDT Saturday ridge located from Montana to Indiana
then to New York State.
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