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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 19 June 2025

Tonight and Friday.

Wind northwest 10 knots becoming light this evening then becoming south 10 Friday evening.

Scattered showers this evening with a risk of thunderstorms. Scattered showers overnight and Friday morning. Fog patches.

Waves

Issued 06:30 PM EDT 19 June 2025
Tonight and Friday. Waves 0.5 metres or less.

Extended Forecast

Issued 06:30 PM EDT 19 June 2025
Saturday Wind light increasing to south 25 knots in the afternoon then diminishing to southwest 15 late in the day.
Sunday Wind southwest 15 knots.
Monday Wind southwest 15 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 19 June 2025 Tonight and Friday At 6:30 p.m. EDT tonight low 998 mb located west of Ottawa.
By 6:30 p.m. EDT Friday low 993 mb located over the Gulf of
St. Lawrence.

At 6:30 p.m. EDT tonight ridge located on a line northeast-southwest
over James Bay.
By 6:30 p.m. EDT Friday weakening ridge located on a line
north-south over James Bay.

By 6:30 p.m. EDT Friday approaching trough located on a line
northeast-southwest over Manitoba.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Marine Weather for Canada

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