Language selection

Weather shortcuts

Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 AM EDT 10 October 2024

Today Tonight and Friday.

Strong wind warning in effect.

Wind northwest 10 to 15 knots increasing to northwest 15 to 25 near noon then diminishing to west 10 to 15 this evening. Wind increasing to southwest 15 to 25 near noon Friday.

Extended Forecast

Issued 06:00 PM EDT 09 October 2024
Friday Wind southwest 15 to 25 knots.
Saturday Wind west 15 to 25 knots.
Sunday Wind west 10 to 15 knots.

Stay connected

ATOM

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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Cornwall to Montréal

Issued 03:00 AM EDT 10 October 2024

'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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 10 October 2024 Today Tonight and Friday At 3:00 a.m. EDT today low 1002 mb located over the Quebec Lower
North Shore.
By 8:00 p.m. EDT Friday low 976 mb located over Labrador.

At 3:00 a.m. EDT today ridge located over Lake Superior.
By 8:00 p.m. EDT Friday ridge located over Maine.

Great Lakes - Lake Huron Area

Another Region

Features

New Predicting and Alerting Coastal Flooding Program

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

Date modified: