Language selection

Weather shortcuts

Eastern Lake Ontario


Marine Forecast

Issued 10:30 AM EDT 17 June 2024

Today Tonight and Tuesday.

Wind south 15 knots diminishing to south 10 near noon then becoming light early this evening. Wind becoming south 10 early Tuesday morning then becoming light near noon Tuesday. Wind becoming southeast 10 Tuesday evening.

Scattered showers this morning. Risk of thunderstorms late this morning. Risk of thunderstorms Tuesday.


Issued 10:30 AM EDT 17 June 2024
Today Tonight and Tuesday. Waves 0.5 to 1 metre subsiding to 0.5 or less this afternoon.

Extended Forecast

Issued 03:00 AM EDT 17 June 2024
Wednesday Wind light.
Thursday Wind light.
Friday Wind light.

Stay connected


Weather Conditions

Skip Image

Zoom-in to make a selection

Map of Great Lakes - Lake Huron 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
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.

No watches or warnings in effect.


Technical Marine Synopsis

Issued 10:30 AM EDT 17 June 2024 Today Tonight and Tuesday At 10:30 a.m. EDT today departing high 1024 mb located off the
East Coast of the U.S.

At 10:30 a.m. EDT today low 996 mb located over southwestern
By 10:30 a.m. EDT Tuesday approaching low 992 mb located over
northeastern South Dakota.

Great Lakes - Lake Huron Area

Another Region


New Predicting and Alerting Coastal Flooding Program

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

Date modified: