Language selection

Weather shortcuts

Northern Georgian Bay

Forecast

Marine Forecast

Issued 03:00 AM EDT 07 October 2024

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind northwest 25 knots diminishing to north 15 overnight and to northwest 10 Tuesday morning. Wind increasing to west 15 Tuesday afternoon.

Scattered showers ending this morning. Scattered showers tonight with a risk of waterspouts.

Waves

Issued 03:00 AM EDT 07 October 2024
Today Tonight and Tuesday. Waves 1.5 metres subsiding to 1 this morning and to 0.5 or less near noon Tuesday. Waves building to 0.5 to 1 Tuesday evening.

Extended Forecast

Issued 03:00 AM EDT 07 October 2024
Wednesday Wind northwest 20 knots.
Thursday Wind north 15 knots becoming southwest 15 late in the day.
Friday Wind southwest 20 knots veering to northwest 20 late in the day.

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas N Huron - 45003 W Erie - 45005 S Huron - 45008 Lake Ontario - 45012 Port Stanley - 45132 Prince Edward Point - 45135 Georgian Bay - 45137 Grimsby - 45139 Port Colborne - 45142 South Georgian Bay - 45143 Lake St Clair - 45147 South Lake Huron - 45149 Lake Simcoe - 45151 Lake Nipissing - 45152 North Channel - 45154 Ajax - 45159 Sault Ste. Marie Airport Killarney Greater Sudbury Airport North Bay Airport Gore Bay-Manitoulin Airport Great Duck Island Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Cove Island Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Port Colborne Erieau Point Pelee Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport
Legend:
buoy Buoy
land station Land Station
Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EDT 27 April 2024 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Northern Georgian Bay

Issued 03:00 AM EDT 07 October 2024

'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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 7 October 2024 Today Tonight and Tuesday At 3:00 a.m. EDT today departing trough located on a line
northwest-southeast over the Ontario - Quebec border.

At 3:00 a.m. EDT today low 997 mb located over James Bay.
By 3:00 a.m. EDT Tuesday low 995 mb located over southeastern
Hudson Bay.

At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over South Dakota.
By 3:00 a.m. EDT Tuesday ridge located on a line north-south
over Minnesota.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Features

New Predicting and Alerting Coastal Flooding Program

Find out about coastal flooding coverage, forecasts and warnings in your region

Date modified: