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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 02 April 2025

Today Tonight and Thursday.

Gale warning in effect.

Wind southeast 25 knots backing to east 30 this morning then increasing to east 35 near noon. Wind diminishing to south 25 this evening then veering to southwest 25 overnight. Wind veering to west 20 Thursday morning then to northwest 15 Thursday evening.

Snow or freezing rain beginning this morning changing to rain and fog patches this evening and ending Thursday morning with a risk of thunderstorms.

Waves

Issued 03:00 AM EDT 02 April 2025
Today Tonight and Thursday. Waves 2 metres building to 3 to 4 near noon then subsiding to 2 near midnight. Waves subsiding to 1 to 1.5 near noon Thursday and to 1 Thursday evening.

Extended Forecast

Issued 03:00 AM EDT 02 April 2025
Friday Wind northwest 15 knots diminishing to light in the morning.
Saturday Wind light increasing to northwest 20 knots late in the day.
Sunday Wind northwest 20 knots.

Ice Forecast*

Issued 12:00 PM EDT 1 April 2025 Today Tonight and Wednesday Open water except 2 tenths 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
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 1 April 2025 Today Tonight and Wednesday

Ice Coverage

Open water except 2 tenths thick lake ice along parts of the shores.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 1 April 2025 Today Tonight and Wednesday

Ice Coverage

Open water except 2 tenths thick lake ice east of Beaver Island.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 1 April 2025 Today Tonight and Wednesday

Ice Coverage

Open water.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 1 April 2025 Today Tonight and Wednesday

Ice Coverage

Open water except 1 tenth thick lake ice north of Chambers Island.
Consolidated thick lake ice in Bays de Noc.

Warnings

Warnings (In effect)

Gale warning in effect

Northern Lake Huron

Issued 08:57 AM EDT 02 April 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 3:00 AM EDT 2 April 2025 Today Tonight and Thursday At 3:00 a.m. EDT today ridge located on a line north-south over
eastern Ontario.
By 3:00 a.m. EDT Thursday departing ridge located on a line
north-south over eastern Quebec.

At 3:00 a.m. EDT today low 990 mb located over Colorado.
By 3:00 a.m. EDT Thursday low 992 mb located over Wisconsin.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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