Language selection

My Weather Profile Weather Topics  | 

Eastern Lake Ontario

Forecast

Marine Forecast

Issued 06:30 PM EDT 26 September 2022

Tonight and Tuesday.

Gale warning in effect. Waterspout watch in effect.

Wind southwest 25 knots increasing to southwest 35 this evening then diminishing to west 25 late overnight. Wind diminishing to northwest 15 Tuesday evening.

Scattered showers with a risk of waterspouts.

Waves

Issued 06:30 PM EDT 26 September 2022
Tonight and Tuesday. Waves 1 to 1.5 metres building to 2 to 3 near midnight then subsiding to 1 to 1.5 Tuesday evening.

Extended Forecast

Issued 06:30 PM EDT 26 September 2022
Wednesday Wind north 15 knots.
Thursday Wind north 15 knots diminishing to light.
Friday Wind light.

Ice Forecast*

Issued 12:00 PM EDT 22 June 2022 Ice free.These are the last forecasts for the season.

*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 / 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 22 June 2022

Ice Coverage

Ice free.

These are the last forecasts for the season.
Warnings

Warnings (In effect)

Gale warning in effect

Eastern Lake Ontario

Issued 11:55 PM EDT 26 September 2022

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Watches (In effect)

Waterspout watch in effect

Eastern Lake Ontario

Issued 11:02 PM EDT 26 September 2022 Showers and thunderstorms capable of producing waterspouts are expected tonight through Wednesday.

Wind speeds inside the spray ring of a waterspout are 45 knots or higher. Vulnerable vessels are at risk of damage or capsizing. Mariners are urged to take all necessary precautions and prepare for the possibility of waterspout activity. Postpone voyage or seek safe harbour if possible. Keep in mind that waterspouts cannot be seen at night and may strike suddenly. Waterspouts are generally isolated in nature although they can also occur in families of two or more. Waterspouts are generally short-lived in nature, typically lasting 20 minutes or less.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 26 September 2022 Tonight and Tuesday At 6:30 p.m. EDT tonight low 996 mb located over southern Georgian
Bay.
By 6:30 p.m. EDT Tuesday low 1004 mb located over southern Quebec.

At 6:30 p.m. EDT tonight high 1024 mb located over northern
Manitoba.
By 6:30 p.m. EDT Tuesday high 1030 mb located over northwestern
Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

What we are doing

Date modified: