Northern Georgian Bay
Forecast
Marine Forecast
Issued 06:30 PM EDT 26 April 2025
Tonight and Sunday.
Wind northwest 20 knots diminishing to northwest 15 late overnight and to variable 10 Sunday morning. Wind becoming west 10 Sunday afternoon.
Periods of rain this evening.
Strong wind warning program has ended for the season.
Waves
Issued 06:30 PM EDT 26 April 2025
Tonight and Sunday.
Waves 1 to 1.5 metres subsiding to 0.5 to 1 early Sunday morning
and to 0.5 or less near noon Sunday.
Extended Forecast
Issued 06:30 PM EDT 26 April 2025
Monday
Wind light becoming south 15 knots late in the
day.
Tuesday
Wind south 20 knots increasing to west 30 late
in the day.
Wednesday
Wind northwest 25 knots diminishing to
light.
Ice Forecast*
Issued 12:00 PM EDT 26 April 2025 Today Tonight and Sunday Open water except 1 tenth thick lake ice along parts of the northern
shore.
*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 26 April 2025 Today Tonight and SundayIce Coverage
Open water except 1 tenth thick lake ice along parts of the northern
shore.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 6:30 PM EDT 26 April 2025 Tonight and Sunday At 6:30 p.m. EDT tonight low 1002 mb located over northern Vermont.By 6:30 p.m. EDT Sunday departing low 1002 mb located over
southern Maine.
At 6:30 p.m. EDT tonight high 1027 mb located over Lake Superior.
By 6:30 p.m. EDT Sunday high 1026 mb located over Lake Huron.
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