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Northern Lake Huron

Forecast

Marine Forecast

Issued 06:30 PM EDT 23 March 2025

Tonight and Monday.

Gale warning in effect.

Wind southeast 20 knots increasing to southwest 35 early Monday morning then diminishing to northwest 30 Monday afternoon.

Snow beginning this evening changing to scattered showers or scattered flurries Monday morning then to scattered flurries near noon Monday. Visibility 1 mile or less in precipitation.

Waves

Issued 06:30 PM EDT 23 March 2025
Tonight and Monday. Waves 0.5 to 1 metre building to 1.5 this evening and to 2 to 3 Monday morning. Waves subsiding to 2 Monday evening.

Extended Forecast

Issued 06:30 PM EDT 23 March 2025
Tuesday Wind northwest 25 knots diminishing to northwest 15 to 20 in the morning.
Wednesday Wind northwest 15 to 20 knots becoming northwest 15 late in the day.
Thursday Wind southwest 15 knots increasing to southwest 25 late in the day.

Ice Forecast*

Issued 12:00 PM EDT 23 March 2025 Today Tonight and Monday Open water except 1 tenth thick lake ice along parts of the shores in the northwestern section. 9 plus tenths thick lake ice along parts of the Bruce Peninsula. Consolidated thick lake ice along parts of the shores.

*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

Northern Lake Huron

Issued 12:00 PM EDT 23 March 2025 Today Tonight and Monday

Ice Coverage

Open water except 1 tenth thick lake ice along parts of the shores
in the northwestern section. 9 plus tenths thick lake ice along
parts of the Bruce Peninsula. Consolidated thick lake ice along
parts of the shores.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 23 March 2025 Today Tonight and Monday

Ice Coverage

Open water except 5 tenths thick lake ice east of Beaver Island.
Consolidated thick lake ice along parts of the eastern shore.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 23 March 2025 Today Tonight and Monday

Ice Coverage

Open water.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 23 March 2025 Today Tonight and Monday

Ice Coverage

Open water except 2 tenths thick lake ice in northern Green Bay.
Consolidated thick lake ice in northern Bays de Noc.

Warnings

Warnings (In effect)

Gale warning in effect

Northern Lake Huron

Issued 6:30 PM EDT 23 March 2025

'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 6:30 PM EDT 23 March 2025 Tonight and Monday At 6:30 p.m. EDT tonight departing ridge located on a line
northwest-southeast over eastern Ontario.

At 6:30 p.m. EDT tonight low 998 mb located over northwestern
Wisconsin.
By 6:30 p.m. EDT Monday low 999 mb located north of Georgian Bay.

Great Lakes - Lake Erie and Lake Ontario Area

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