Eastern Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EDT 20 April 2021
Today Tonight and Wednesday.
Wind west 20 knots diminishing to west 15 this afternoon then veering to northwest 15 this evening. Wind diminishing to north 10 near midnight then increasing to north 15 Wednesday morning. Wind increasing to north 20 near noon Wednesday then backing to northwest 15 Wednesday evening.
Showers ending this morning. Snow overnight and Wednesday. Visibility as low as 1 mile in snow.
Strong wind warning program has ended for the season.
Waves
Extended Forecast
Ice Forecast*
*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 2021 Today Tonight and TuesdayIce Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 20 April 2021 Today Tonight and Wednesday At 3:00 a.m. EDT today low 1002 mb located over southwestern Quebec.By 3:00 a.m. EDT Wednesday low 1001 mb located over northern Quebec.
At 3:00 a.m. EDT today ridge located on a line east-west over
northern Ontario.
By 3:00 a.m. EDT Wednesday ridge located on a line
northeast-southwest over northwestern Ontario.
By 3:00 a.m. EDT Wednesday low 1007 mb located over Pennsylvania.
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