Southern Lake Huron
Forecast
Marine Forecast
Issued 03:00 AM EDT 20 April 2021
Today Tonight and Wednesday.
Wind west 20 knots diminishing to west 15 near noon then veering to northwest 15 early this evening. Wind veering to north 15 late this evening then backing to northwest 15 Wednesday evening.
Periods of snow overnight and Wednesday morning.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EDT 20 April 2021
Today Tonight and Wednesday.
Waves one half to one metre building to one and one half metres
early this morning then subsiding to one this afternoon.
Extended Forecast
Issued 03:00 AM EDT 20 April 2021
Thursday
Wind northwest 20 knots.
Friday
Wind west 20 knots.
Saturday
Wind west 15 knots backing to south 20 late
in the day.
Ice Forecast*
Issued 12:00 PM EDT 19 April 2021 Today Tonight and Tuesday 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
Lake Huron
Issued 12:00 PM EDT 19 April 2021 Today Tonight and TuesdayIce Coverage
Ice free.
Ice Forecasts
Northern Lake Michigan
Issued 12:00 PM EDT 19 April 2021 Today Tonight and TuesdayIce Coverage
Ice free.
Ice Forecasts
Southern Lake Michigan
Issued 12:00 PM EDT 19 April 2021 Today Tonight and TuesdayIce Coverage
Ice free.
Ice Forecasts
Green Bay
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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