Southern Lake Huron
Forecast
Marine Forecast
Issued 10:30 AM EDT 21 April 2021
Today Tonight and Thursday.
Wind north 15 knots backing to northwest 20 this evening then diminishing to northwest 15 Thursday morning. Wind diminishing to variable 10 Thursday evening.
Flurries becoming showers or flurries this afternoon then flurries this evening and ending Thursday morning.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EDT 21 April 2021
Today Tonight and Thursday.
Waves one metre building to one and one half metres near midnight
then subsiding to one near noon Thursday. Waves subsiding to one half metre or
less Thursday evening.
Extended Forecast
Issued 03:00 AM EDT 21 April 2021
Friday
Wind southwest 15 knots.
Saturday
Wind west 15 knots diminishing to
light.
Sunday
Wind northwest 25 knots diminishing to north 15
late in the day.
Ice Forecast*
Issued 12:00 PM EDT 21 April 2021 Today Tonight and Thursday 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 21 April 2021 Today Tonight and ThursdayIce Coverage
Ice free.
Ice Forecasts
Northern Lake Michigan
Issued 12:00 PM EDT 21 April 2021 Today Tonight and ThursdayIce Coverage
Ice free.
Ice Forecasts
Southern Lake Michigan
Issued 12:00 PM EDT 21 April 2021 Today Tonight and ThursdayIce Coverage
Ice free.
Ice Forecasts
Green Bay
Issued 12:00 PM EDT 21 April 2021 Today Tonight and ThursdayIce Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EDT 21 April 2021 Today Tonight and Thursday At 10:30 a.m. EDT today low 1003 mb located over easternPennsylvania.
By 10:30 a.m. EDT Thursday deepening low 985 mb located over
New Brunswick.
At 10:30 a.m. EDT today ridge located on a line east-west over
Lake Nipigon.
By 10:30 a.m. EDT Thursday ridge located on a line
northeast-southwest over northeastern Ontario.
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