Issued 06:30 PM EDT 21 August 2017
Tonight and Tuesday.
Strong wind warning in effect.
Wind southwest 10 knots increasing to south 15 late overnight and to southwest 20 Tuesday morning. Wind veering to northwest 25 near noon Tuesday.
Chance of showers changing to a few showers early Tuesday morning then to chance of showers Tuesday afternoon and evening. Risk of thunderstorms tonight and Tuesday.
Zoom-in to make a selection
*Ice Forecast and Warnings also apply to U.S. waters
Ice ForecastsIssued 12:00 PM EDT 27 April 2017 Forecasts have ended for the season.
Warnings (In effect)
Georgian BayIssued 6:30 PM EDT 21 August 2017
'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 or Weatheradio stations.
Technical Marine SynopsisIssued 6:30 PM EDT 21 August 2017 Tonight and Tuesday At 6:30 p.m. EDT tonight departing ridge located on a line
north-south over Maine.
At 6:30 p.m. EDT tonight trough located on a line
northeast-southwest over North Channel.
By 6:30 p.m. EDT Tuesday trough located on a line
northeast-southwest over southern Lake Huron.
At 6:30 p.m. EDT tonight low 1006 mb located over Illinois.
By 6:30 p.m. EDT Tuesday deepening low 991 mb located over southern
Great Lakes - Lake Erie and Lake Ontario Area
- Arctic - Eastern Arctic
- Arctic - Western Arctic
- Atlantic - Labrador
- Atlantic - Maritimes
- Atlantic - Newfoundland
- Great Lakes - Lake Erie and Lake Ontario
- Great Lakes - Lake Huron
- Great Lakes - Lake Superior
What we are doing
- Date modified: