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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 18 May 2025

Tonight and Monday.

Wind northwest 15 knots veering to northeast 15 late overnight then increasing to north 15 to 20 near noon Monday. Wind becoming northeast 15 Monday evening.

Waves

Issued 06:30 PM EDT 18 May 2025
Tonight and Monday. Waves 0.5 to 1 metre.

Extended Forecast

Issued 06:30 PM EDT 18 May 2025
Tuesday Wind northeast 15 knots.
Wednesday Wind northeast 20 knots.
Thursday Wind north 20 knots.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas Harrow AAFC Burlington Lift Bridge Oshawa Executive Airport Point Pelee Peterborough Municipal Airport Point Petre Hamilton Munro Int'l Airport Erieau Cobourg Toronto City Centre Airport Port Colborne CFB Trenton South Lake Huron - 45149 Windsor Airport Great Duck Island Gore Bay-Manitoulin Airport North Bay Airport Greater Sudbury Airport Killarney Sault Ste. Marie Airport Ajax - 45159 North Channel - 45154 Lake Nipissing - 45152 Lake Simcoe - 45151 Welland-Pelham Lake St Clair - 45147 South Georgian Bay - 45143 Port Colborne - 45142 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Vineland Station Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Cove Island Goderich Sarnia Chris Hadfield Airport Western Islands Tobermory Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal
Legend:
buoy Buoy
land station Land Station
Ice Conditions

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

Ice Forecasts

Lake Huron

Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.

Ice Forecasts

Lake Michigan

Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 18 May 2025 Tonight and Monday At 6:30 p.m. EDT tonight low 995 mb located over New Brunswick.
By 6:30 p.m. EDT Monday departing low 998 mb located southeast of
Nova Scotia.

At 6:30 p.m. EDT tonight high 1030 mb located over western
Hudson Bay.
By 6:30 p.m. EDT Monday high 1036 mb located over eastern Hudson
Bay.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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