Language selection

Weather shortcuts

Southern Georgian Bay

Forecast

Marine Forecast

Issued 03:00 AM EDT 03 October 2024

Today Tonight and Friday.

Strong wind warning in effect.

Wind southwest 20 knots diminishing to southwest 15 near noon then veering to west 15 this afternoon. Wind diminishing to west 10 this evening then veering to north 10 overnight. Wind becoming light Friday morning then becoming northwest 10 Friday afternoon. Wind increasing to northwest 15 Friday evening.

Scattered showers Friday late in the day.

Waves

Issued 03:00 AM EDT 03 October 2024
Today Tonight and Friday. Waves 1 to 1.5 metres subsiding to 0.5 to 1 this afternoon and to 0.5 or less near midnight. Waves building to 0.5 to 1 Friday evening.

Extended Forecast

Issued 03:00 AM EDT 03 October 2024
Saturday Wind northwest 15 knots diminishing to light in the afternoon then becoming southeast 15 late in the day.
Sunday Wind southeast 25 knots diminishing to west 20.
Monday Wind northwest 25 knots.

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

Southern Georgian Bay

Issued 03:00 AM EDT 03 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 3 October 2024 Today Tonight and Friday At 3:00 a.m. EDT today departing ridge located on a line
northeast-southwest over New York State.

At 3:00 a.m. EDT today cold front located on a line
northeast-southwest over eastern Lake Superior.
By 3:00 a.m. EDT Friday weakening cold front located on a line
northeast-southwest over southern Ontario.

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: