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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 27 April 2025

Today Tonight and Monday.

Wind northwest 10 knots becoming light this afternoon then increasing to south 15 near midnight. Wind increasing to south 20 Monday afternoon and to south 25 Monday evening.

Scattered showers Monday evening.

Waves

Issued 10:30 AM EDT 27 April 2025
Today Tonight and Monday. Waves 0.5 metres or less building to 0.5 to 1 late overnight and to 1 to 1.5 Monday evening.

Extended Forecast

Issued 03:00 AM EDT 27 April 2025
Tuesday Wind south 25 knots increasing to northwest 30 late in the day.
Wednesday Wind northwest 30 knots diminishing to light.
Thursday Wind light becoming north 15 knots late in the day.

Ice Forecast*

Issued 12:00 PM EDT 25 April 2025 Today Tonight and Saturday 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 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

Northern Lake Huron

Issued 12:00 PM EDT 25 April 2025 Today Tonight and Saturday

Ice Coverage

Open water.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 25 April 2025 Today Tonight and Saturday

Ice Coverage

Ice free.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 25 April 2025 Today Tonight and Saturday

Ice Coverage

Ice free.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 25 April 2025 Today Tonight and Saturday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 27 April 2025 Today Tonight and Monday At 10:30 a.m. EDT today departing low 1000 mb located southwest
of New Brunswick.

At 10:30 a.m. EDT today high 1029 mb located over Ohio.
By 10:30 a.m. EDT Monday high 1028 mb located over Virginia.

By 10:30 a.m. EDT Monday approaching trough located on a line
northeast-southwest over northern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Marine Weather for Canada

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