Western Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EST 13 December 2019
Today Tonight and Saturday.
Wind south 15 knots diminishing to southeast 10 near noon then backing to east 10 this evening. Wind increasing to northeast 15 overnight then backing to north 15 Saturday morning. Wind increasing to northwest 25 Saturday evening.
Rain beginning overnight becoming snow or rain Saturday evening.
Waves
Issued 03:00 AM EST 13 December 2019
Today Tonight and Saturday.
Waves one metre subsiding to one half metre this afternoon then
building to one Saturday morning. Waves building to one and one half metres
Saturday evening.
Extended Forecast
Issued 03:00 AM EST 13 December 2019
Sunday
Wind west 35 knots diminishing to northwest 20
in the afternoon.
Monday
Wind light becoming east 15 knots.
Tuesday
Wind light increasing to west 20 knots late in
the day.
Ice Forecast*
Issued 12:00 PM EST 12 December 2019 Today Tonight and Friday 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 EST 12 December 2019 Today Tonight and FridayIce Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EST 13 December 2019 Today Tonight and Saturday At 3:00 a.m. EST today departing ridge located from James Bay toNova Scotia then to North Carolina.
At 3:00 a.m. EST today quasi-stationary trough located on a line
northeast-southwest over northern Lake Michigan.
By 3:00 a.m. EST Saturday deepening low 1002 mb located over
North Carolina.
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