Eastern Lake Ontario


Marine Forecast

Issued 10:30 AM EDT 04 October 2015

Today Tonight and Monday

Wind east 15 knots diminishing to east 10 this evening then becoming light near noon Monday.


Issued 10:30 AM EDT 04 October 2015
Today Tonight and Monday Waves one metre subsiding to less than one half metre near midnight.

Extended Forecast

Issued 03:00 AM EDT 04 October 2015
Tuesday Wind light.
Wednesday Wind light.
Thursday Wind northeast 15 knots diminishing to 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 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 Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Port Weller St. Catharines Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Municipal Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport Killarney Western Islands Cove Island Long Point Port Colborne Erieau Point Pelee
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 1 June 2015 Forecasts have ended for the season.

No watches or warnings in effect.


Technical Marine Synopsis

Issued 10:30 AM EDT 4 October 2015 Today Tonight and Monday At 10:30 a.m. EDT today ridge located from Minnesota to Lake
Nipigon then to Quebec.
By 10:30 a.m. EDT Monday ridge located from Lake Superior to Quebec
then to Nova Scotia.

At 10:30 a.m. EDT today low 1018 mb located over western North
By 10:30 a.m. EDT Monday low 1013 mb located over southern Manitoba.

Great Lakes - Lake Huron Area

Another Region

What we are doing

Date modified: