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Eastern Lake Ontario


Marine Forecast

Issued 10:30 AM EDT 22 October 2021

Today Tonight and Saturday.

Wind northwest 15 knots diminishing to northwest 10 near noon then becoming light this evening. Wind becoming northeast 10 late overnight then becoming light near noon Saturday.


Issued 10:30 AM EDT 22 October 2021
Today Tonight and Saturday. Waves 1 metre subsiding to 0.5 or less this afternoon.

Extended Forecast

Issued 03:00 AM EDT 22 October 2021
Sunday Wind light becoming southwest 15 knots in the afternoon.
Monday Wind northeast 20 knots increasing to northeast 30.
Tuesday Wind north 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 9 May 2021 Forecasts have ended for the season.

Warnings (Ended)

Strong wind warning ended

Eastern Lake Ontario

Issued 10:30 AM EDT 22 October 2021

Technical Marine Synopsis

Issued 10:30 AM EDT 22 October 2021 Today Tonight and Saturday At 10:30 a.m. EDT today departing low 1004 mb located over eastern

At 10:30 a.m. EDT today quasi-stationary ridge located on a line
northeast-southwest over Minnesota.

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