Language selection

My Weather Profile Weather Topics  | 

Eastern Lake Ontario

Forecast

Marine Forecast

Issued 06:30 PM EDT 26 September 2021

Tonight and Monday.

Strong wind warning in effect.

Wind west 20 knots increasing to west 25 near midnight then backing to southwest 20 Monday morning. Wind diminishing to west 15 Monday afternoon then veering to north 15 Monday evening.

Scattered showers overnight and Monday morning with a risk of waterspouts.

Waves

Issued 06:30 PM EDT 26 September 2021
Tonight and Monday. Waves 1.5 metres building to 2 late overnight then subsiding to 1.5 near noon Monday. Waves subsiding to 1 Monday evening.

Extended Forecast

Issued 06:30 PM EDT 26 September 2021
Tuesday Wind north 15 knots diminishing to light in the afternoon.
Wednesday Wind light becoming northeast 15 knots late in the day.
Thursday Wind northeast 15 knots.

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

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

Ice Forecasts

Issued 12:00 PM EDT 9 May 2021 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Ontario

Issued 6:30 PM EDT 26 September 2021

'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 6:30 PM EDT 26 September 2021 Tonight and Monday At 6:30 p.m. EDT tonight departing ridge located on a line
northeast-southwest over western Pennsylvania.

At 6:30 p.m. EDT tonight trough located on a line
northeast-southwest over northern Ontario.
By 6:30 p.m. EDT Monday trough located on a line east-west over
Lake Ontario.

At 6:30 p.m. EDT tonight high 1010 mb located over Manitoba.
By 6:30 p.m. EDT Monday high 1012 mb located over Lake Superior.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

What we are doing

Date modified: