Language selection

My Weather Profile Weather Topics  | 

Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 AM EST 30 November 2022

Today Tonight and Thursday.

Storm warning in effect.

Wind southeast 15 to 25 knots increasing to southeast 25 to 35 this morning and to southwest 40 to 50 early this evening. Wind diminishing to southwest 30 to 40 near midnight and to west 15 to 25 Thursday evening.

Rain today and this evening. Flurries Thursday morning. Visibility 1 mile or less in flurries.

Temperatures minus 3 rising to plus 8 this evening then falling to plus 2 near midnight.

Extended Forecast

Issued 06:00 AM EST 30 November 2022
Friday Wind southwest 15 knots diminishing to light in the morning.
Saturday Wind southerly 15 knots.
Sunday Wind southwest 15 knots increasing to west 15 to 25.

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

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Storm warning in effect

Cornwall to Montréal

Issued 03:00 AM EST 30 November 2022

'Storm' force winds of 48 to 63 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 EST 30 November 2022 Today Tonight and Thursday At 3:00 a.m. EST today ridge located on a line north-south over
Sept-Îles.
By 7:00 p.m. EST tonight departing ridge located on a line
northwest-southeast over Newfoundland.

At 3:00 a.m. EST today trough located on a line north-south over
Lake Huron.
By 7:00 p.m. EST Thursday trough located on a line north-south
over the Strait of Belle Isle.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

What we are doing

Date modified: