Eastern Lake Ontario
Forecast
Marine Forecast
Issued 06:30 PM EDT 18 April 2021
Tonight and Monday.
Wind west 10 knots backing to southwest 10 near midnight then increasing to southwest 15 Monday evening.
Strong wind warning program has ended for the season.
Waves
Issued 06:30 PM EDT 18 April 2021
Tonight and Monday.
Waves one metre subsiding to one half metre or less this
evening.
Extended Forecast
Issued 06:30 PM EDT 18 April 2021
Tuesday
Wind west 15 knots increasing to west 20 in
the morning then diminishing to light late in the day.
Wednesday
Wind north 15 knots backing to west 20 late
in the day.
Thursday
Wind west 20 knots increasing to west 35 late
in the day.
Ice Forecast*
Issued 12:00 PM EDT 18 April 2021 Today Tonight and Monday Ice free.
*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 18 April 2021 Today Tonight and MondayIce Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 6:30 PM EDT 18 April 2021 Tonight and Monday At 6:30 p.m. EDT tonight dissipating trough located on a lineeast-west over southern Quebec.
At 6:30 p.m. EDT tonight trough located on a line
northeast-southwest over Lake Nipigon.
By 6:30 p.m. EDT Monday low 1000 mb located south of James Bay.
At 6:30 p.m. EDT tonight ridge located on a line northwest-southeast
over northern Manitoba.
By 6:30 p.m. EDT Monday ridge located on a line northwest-southeast
over northern Ontario.
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