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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 12 May 2021

Today Tonight and Thursday.

Wind northwest 10 knots increasing to northwest 15 this afternoon then diminishing to northwest 10 near midnight. Wind backing to southwest 10 Thursday morning then becoming light Thursday evening.

Waves

Issued 10:30 AM EDT 12 May 2021
Today Tonight and Thursday. Waves one half metre or less building to one half to one metre early this evening then subsiding to one half metre or less late overnight.

Extended Forecast

Issued 03:00 AM EDT 12 May 2021
Friday Wind light becoming southwest 15 knots in the afternoon.
Saturday Wind light.
Sunday Wind light.

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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 9 May 2021 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 12 May 2021 Today Tonight and Thursday At 10:30 a.m. EDT today departing low 1008 mb located over Nova
Scotia.

At 10:30 a.m. EDT today high 1030 mb located over eastern Iowa.
By 10:30 a.m. EDT Thursday high 1025 mb located over Illinois.

Great Lakes - Lake Huron Area

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