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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 09 May 2021

Today Tonight and Monday.

Strong wind warning in effect.

Wind west 10 knots backing to southwest 10 this morning then becoming light this afternoon. Wind becoming northwest 10 overnight then increasing to west 15 Monday morning. Wind increasing to west 20 Monday afternoon.

Waves

Issued 03:00 AM EDT 09 May 2021
Today Tonight and Monday. Waves one half metre subsiding to less than one half metre this afternoon then building to one half to one metre Monday morning. Waves building to one and one half metres Monday evening.

Extended Forecast

Issued 03:00 AM EDT 09 May 2021
Tuesday Wind west 15 knots increasing to west 20 in the afternoon.
Wednesday Wind northwest 15 knots.
Thursday Wind northwest 15 knots backing to southwest 15.

Ice Forecast*

Issued 12:00 PM EDT 8 May 2021 Today Tonight and Sunday Ice free.These are the last forecasts until further request.

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

 

[ Canadian Ice Service ]

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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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» US Marine Weather
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 8 May 2021 Today Tonight and Sunday

Ice Coverage

Ice free.

These are the last forecasts until further request.
Warnings

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Ontario

Issued 03:00 AM EDT 09 May 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 3:00 AM EDT 9 May 2021 Today Tonight and Monday At 3:00 a.m. EDT today trough located from James Bay to the
Maritimes.
By 3:00 a.m. EDT Monday trough located from Lake Nipissing to
the Maritimes.

At 3:00 a.m. EDT today ridge located from Lake Nipigon to Lake
Huron then to Ohio.
By 3:00 a.m. EDT Monday ridge located from Lake of the Woods to
Lower Michigan then to Lake Ontario.

At 3:00 a.m. EDT today low 996 mb located over central Kansas.
By 3:00 a.m. EDT Monday low 1004 mb located over southeastern
Pennsylvania.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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