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Northern Lake Huron

Forecast

Marine Forecast

Issued 03:00 AM EDT 23 May 2026

Today Tonight and Sunday.

Strong wind warning in effect.

Wind east 10 knots increasing to east 20 early this morning and to east 25 near noon. Wind diminishing to east 15 overnight then becoming southwest 15 Sunday morning. Wind diminishing to southwest 10 near noon Sunday then becoming variable 10 Sunday evening.

Rain beginning near noon changing to scattered showers near midnight. Fog patches forming near noon Sunday.

Waves

Issued 03:00 AM EDT 23 May 2026
Today Tonight and Sunday. Waves 0.5 to 1 metre building to 1 to 1.5 this morning then subsiding to 0.5 to 1 Sunday morning. Waves subsiding to 0.5 or less Sunday afternoon.

Extended Forecast

Issued 03:00 AM EDT 23 May 2026
Monday Wind light.
Tuesday Wind light becoming southwest 15 knots late in the day.
Wednesday Wind northwest 15 knots diminishing to light.

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Weather Conditions

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas CFB Trenton Port Colborne - 45142 Hamilton Munro Int'l Airport Oshawa Executive Airport Port Stanley - 45132 Lake Nipissing - 45152 Point Petre Georgian Bay - 45137 Toronto City Centre Airport Lake Simcoe - 45151 South Georgian Bay - 45143 Prince Edward Point - 45135 Peterborough Municipal Airport South Lake Huron - 45149 Collingwood Lake St Clair - 45147 Grimsby - 45139 Goderich Lagoon City Kingston Airport Muskoka Airport Parry Sound Harbour Grenadier Island Lake Simcoe Regional Airport Wiarton Airport Brockville Western Islands Cove Island Great Duck Island North Channel - 45154 Sarnia Chris Hadfield Airport Gore Bay-Manitoulin Airport Tobermory Harrow AAFC Long Point North Bay Airport Port Weller St. Catharines / Niagara District Airport Greater Sudbury Airport Southeast Shoal Vineland Station Port Colborne Erieau Cobourg Sault Ste. Marie Airport Windsor Airport Welland-Pelham Killarney Ajax - 45159 Point Pelee Burlington Lift Bridge
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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 17 May 2026 Forecasts have ended for the season.

Ice Forecasts

Lake Michigan

Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Northern Lake Huron

Issued 03:00 AM EDT 23 May 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 23 May 2026 Today Tonight and Sunday At 3:00 a.m. EDT today ridge located on a line north-south over
western Quebec.
By 3:00 a.m. EDT Sunday ridge located on a line northwest-southeast
over Maine.

At 3:00 a.m. EDT today low 1011 mb located over southern Indiana.
By 3:00 a.m. EDT Sunday low 1014 mb located over Lake Huron.

Great Lakes - Lake Erie and Lake Ontario Area

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