Western Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EDT 19 July 2018

Today Tonight and Friday.

Strong wind warning in effect.

Wind light becoming southeast 10 knots this afternoon then increasing to east 20 near noon Friday. Wind veering to southeast 20 Friday evening.

Chance of showers Friday late in the day with a risk of thunderstorms.

Waves

Issued 03:00 AM EDT 19 July 2018
Today Tonight and Friday. Waves one half metre or less building to one Friday afternoon.

Extended Forecast

Issued 03:00 AM EDT 19 July 2018
Saturday Wind southeast 15 knots increasing to southeast 20 in the morning.
Sunday Wind southeast 15 knots diminishing to light.
Monday Wind light becoming northeast 15 knots.

Ice Forecast*

Issued 12:00 PM EDT 6 July 2018 Forecasts available to mariners upon request.

*Ice Forecast and Warnings also apply to U.S. waters

 

[ Canadian Ice Service ]

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 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

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EDT 6 July 2018

Ice Coverage

Forecasts available to mariners upon request.

Warnings

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 03:00 AM EDT 19 July 2018

'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 19 July 2018 Today Tonight and Friday At 3:00 a.m. EDT today high 1019 mb located south of Lake Ontario.
By 3:00 a.m. EDT Friday high 1020 mb located off the East Coast
of the U.S.

At 3:00 a.m. EDT today quasi-stationary trough located on a line
east-west over northern Ontario.

At 3:00 a.m. EDT today low 1007 mb located over South Dakota.
By 3:00 a.m. EDT Friday low 1001 mb located over northeastern Iowa.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

What we are doing

Features

Follow us on Twitter!

Get timely local #weather alerts directly to your Twitter feed

Lightning Safety

When thunder roars, GO INDOORS!

UV Index and sun protection

Be weather wise!

Date modified: