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Eastern Lake Ontario

Forecast

Marine Forecast

Issued 10:30 AM EDT 20 September 2024

Today Tonight and Saturday.

Strong wind warning in effect.

Wind east 10 knots increasing to southeast 15 this evening and to southeast 20 late overnight. Wind diminishing to southeast 15 Saturday morning and to light near noon Saturday. Wind becoming west 15 Saturday evening.

Scattered showers Saturday late in the day with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 20 September 2024
Today Tonight and Saturday. Waves 0.5 metres or less building to 0.5 to 1 near midnight and to 1 to 1.5 early Saturday morning. Waves subsiding to 0.5 near noon Saturday.

Extended Forecast

Issued 03:00 AM EDT 20 September 2024
Sunday Wind light.
Monday Wind southeast 20 knots.
Tuesday Wind southeast 20 knots.

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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
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 27 April 2024 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Ontario

Issued 10:30 AM EDT 20 September 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 10:30 AM EDT 20 September 2024 Today Tonight and Saturday At 10:30 a.m. EDT today ridge located on a line northeast-southwest
over the St. Lawrence River.
By 10:30 a.m. EDT Saturday departing ridge located on a line
northeast-southwest over New Brunswick.

At 10:30 a.m. EDT today trough from 992 mb low located on a line
northwest-southeast over northwestern Ontario.
By 10:30 a.m. EDT Saturday trough from 990 mb low located on a
line northwest-southeast over Lake Superior.

Great Lakes - Lake Huron Area

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