Marine Forecast
Issued 03:00 AM EDT 29 October 2026
Today Tonight and Friday.
Strong wind warning in effect.
Wind southwest 15 knots increasing to southwest 20 early this
morning then diminishing to west 15 early this evening. Wind increasing to
northwest 25 near midnight. Wind northwest 20 Friday.
Showers today and Friday.
Winds
Issued 03:00 AM EDT 29 October 2026
Today Tonight and Friday.
Strong wind warning in effect.
Wind southwest 15 knots increasing to southwest 20 early this
morning then diminishing to west 15 early this evening. Wind increasing to
northwest 25 near midnight. Wind northwest 20 Friday.
Waves
Issued 03:00 AM EDT 29 October 2026
Today Tonight and Friday.
Waves 0.5 to 1 metre building to 2 overnight.
Weather & Visibility
Issued 03:00 AM EDT 29 October 2026
Today Tonight and Friday.
Showers today and Friday.
Ice Forecasts
Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
Warnings (In effect)
Southern Georgian Bay
Issued 03:00 AM EDT 29 October 2026'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.
Technical Marine Synopsis
Issued 3:00 AM EDT 29 October 2026 Today Tonight and Friday At 3:00 a.m. EDT today departing high 1029 mb located over the
Eastern Seaboard.
At 3:00 a.m. EDT today low 1005 mb located over northwestern
Ontario.
By 3:00 a.m. EDT Friday low 996 mb located over Labrador.
At 3:00 a.m. EDT today high 1035 mb located over the Northwest
Territories.
By 3:00 a.m. EDT Friday high 1030 mb located over southern
Saskatchewan.