Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 AM EDT 21 August 2017

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind southwest 10 to 15 knots increasing to southwest 15 to 25 late this morning then diminishing to southwest 10 to 15 early this evening. Wind becoming light overnight then increasing to southerly 10 to 15 Tuesday morning. Wind increasing to southerly 15 to 25 Tuesday afternoon.

Showers beginning Tuesday afternoon with a risk of thunderstorms. Visibility as low as 1 mile in showers.

Extended Forecast

Issued 06:00 AM EDT 21 August 2017
Wednesday Wind southwest 15 to 25 knots.
Thursday Wind westerly 10 to 15 knots.
Friday Wind light.

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 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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

Access this Bulletin from another source?

Warnings

Warnings (In effect)

Strong wind warning in effect

Cornwall to Montréal

Issued 07:14 AM EDT 21 August 2017

'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 21 August 2017 Today Tonight and Tuesday At 3:00 a.m. EDT today quasi-stationary trough located on a line
east-west over northern Quebec.

At 3:00 a.m. EDT today quasi-stationary high located off Cape
Hatteras.

At 5:00 a.m. EDT Tuesday intensifying low 1003 mb located north
of Lake Michigan.
By 8:00 p.m. EDT Tuesday low 986 mb located northwest of Saguenay
River.

Great Lakes - Lake Huron Area

Another Region

What we are doing

Features

UV Index and sun protection

Be weather wise!

Extreme Heat Protection

Be prepared!

Lightning Safety

When thunder roars, GO INDOORS!

Date modified: