Language selection

Features

Weather shortcuts

Western Lake Erie

Forecast

Marine Forecast

Issued 06:30 PM EDT 17 August 2026

Tonight and Tuesday.

Wind northwest 10 knots becoming light near midnight then becoming southwest 15 near noon Tuesday.

Waves

Issued 06:30 PM EDT 17 August 2026
Tonight and Tuesday. Waves 0.5 metres or less building to 0.5 to 1 Tuesday afternoon.

Extended Forecast

Issued 06:30 PM EDT 17 August 2026
Wednesday Wind southwest 15 knots diminishing to light late in the day.
Thursday Wind northeast 15 knots diminishing to light late in the day.
Friday Wind light.

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 Harrow AAFC Hamilton Munro Int'l Airport CFB Trenton Erieau Toronto City Centre Airport Point Pelee Peterborough Municipal Airport Burlington Lift Bridge Point Petre Cobourg Oshawa Executive Airport South Lake Huron - 45149 Port Colborne Brockville Gore Bay-Manitoulin Airport North Bay Airport Greater Sudbury Airport Killarney Sault Ste. Marie Airport Ajax - 45159 North Channel - 45154 Lake Nipissing - 45152 Lake Simcoe - 45151 Windsor Airport Lake St Clair - 45147 South Georgian Bay - 45143 Port Colborne - 45142 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Welland-Pelham Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Sarnia Chris Hadfield Airport Vineland Station Southeast Shoal St. Catharines / Niagara District Airport Goderich Port Weller Long Point Tobermory
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 17 May 2026 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 17 August 2026 Tonight and Tuesday At 6:30 p.m. EDT tonight ridge located on a line northeast-southwest
over Georgian Bay.
By 6:30 p.m. EDT Tuesday ridge located on a line northeast-southwest
over Pennsylvania.

At 6:30 p.m. EDT tonight cold front located on a line
northeast-southwest over Lake of the Woods.
By 6:30 p.m. EDT Tuesday cold front located on a line north-south
over North Channel.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Features

Colour-coded weather alerts

Learn more about weather alerting in Canada

Thunderstorm Outlooks

Find the Thunderstorm Outlook for your area.

Improved storm alerts

Learn more about targeted warnings for severe thunderstorms and tornadoes

Date modified: