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Western Lake Ontario

Forecast

Marine Forecast

Issued 10:30 AM EST 30 December 2024

Today Tonight and Tuesday.

Gale warning in effect.

Wind southwest 35 knots diminishing to west 25 early this evening and to west 15 near midnight. Wind diminishing to light early Tuesday morning then increasing to northeast 15 Tuesday afternoon. Wind increasing to northeast 20 Tuesday evening.

Scattered showers ending this evening. Periods of rain Tuesday evening.

Waves

Issued 10:30 AM EST 30 December 2024
Today Tonight and Tuesday. Waves 2 to 3 metres subsiding to 1.5 this evening and to 0.5 to 1 late overnight. Waves subsiding to 0.5 or less Tuesday morning then building to 1 Tuesday evening.

Extended Forecast

Issued 03:00 AM EST 30 December 2024
Wednesday Wind northeast 15 knots increasing to northwest 25 in the afternoon.
Thursday Wind west 25 knots increasing to west 30.
Friday Wind west 25 knots.

Ice Forecast*

Issued 12:00 PM EST 29 December 2024 Today Tonight and Monday Open water.

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

 

[ Canadian Ice Service ]

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas 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 EST 29 December 2024 Today Tonight and Monday

Ice Coverage

Open water.

Warnings

Warnings (In effect)

Gale warning in effect

Western Lake Ontario

Issued 10:30 AM EST 30 December 2024

'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.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 30 December 2024 Today Tonight and Tuesday At 10:30 a.m. EST today low 989 mb located north of Georgian Bay.
By 10:30 a.m. EST Tuesday low 987 mb located southeast of Hudson
Bay.

By 10:30 a.m. EST Tuesday approaching low 996 mb located over
Indiana.

Great Lakes - Lake Erie and Lake Ontario Area

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