Eastern Lake Superior


Marine Forecast

Issued 10:30 AM EDT 06 October 2015

Today Tonight and Wednesday

Strong wind warning in effect.

Wind west 10 knots increasing to west 15 near noon and to northwest 20 this evening. Wind diminishing to north 15 late overnight and to north 10 near noon Wednesday. Wind becoming light Wednesday evening.


Issued 10:30 AM EDT 06 October 2015
Today Tonight and Wednesday Waves one half metre or less building to one this afternoon then subsiding to one half metre or less Wednesday afternoon.

Extended Forecast

Issued 03:00 AM EDT 06 October 2015
Thursday Wind light increasing to southeast 15 knots in the morning and to north 20 in the afternoon.
Friday Wind north 25 knots diminishing to west 15 late in the day.
Saturday Wind southwest 20 knots.

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.

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Superior

Issued 10:30 AM EDT 06 October 2015

'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.


Technical Marine Synopsis

Issued 10:30 AM EDT 6 October 2015 Today Tonight and Wednesday At 10:30 a.m. EDT today ridge located on a line northeast-southwest
over Georgian Bay.
By 10:30 a.m. EDT Wednesday ridge located from Lake Erie to New

At 10:30 a.m. EDT today low 1000 mb located over southern Hudson
By 10:30 a.m. EDT Wednesday low 987 mb located over northeastern
Hudson Bay.

At 10:30 a.m. EDT today high 1026 mb located over southern
By 10:30 a.m. EDT Wednesday high 1026 mb located over Minnesota.

Great Lakes - Lake Huron Area

Another Region

What we are doing

Date modified: