Lake St. Clair

Forecast

Marine Forecast

Issued 02:27 PM EDT 20 October 2018

Today Tonight and Sunday.

Gale warning in effect. Waterspout watch in effect. Squall watch in effect.

Wind west 25 knots with gusts to 45 near thunderstorms. Wind becoming north 35 early this evening then backing to northwest 35 near midnight. Wind diminishing to northwest 30 late overnight and to northwest 20 early Sunday morning. Wind diminishing to northwest 15 near noon Sunday and to west 10 Sunday evening.

Scattered waterspouts ending this evening with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 20 October 2018
Today Tonight and Sunday. Waves one metre building to one and one half metres near midnight then subsiding to one early Sunday morning. Waves subsiding to one half metre or less Sunday afternoon.

Extended Forecast

Issued 03:00 AM EDT 20 October 2018
Monday Wind light.
Tuesday Wind light.
Wednesday Wind light.

Ice Forecast*

Issued 12:00 PM EDT 6 July 2018 Forecasts available to mariners upon request.

*Ice Forecast and Warnings also apply to U.S. waters

 

[ Canadian Ice Service ]

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas N Huron - 45003 W Erie - 45005 S Huron - 45008 Lake Ontario - 45012 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 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

Issued 12:00 PM EDT 6 July 2018

Ice Coverage

Forecasts available to mariners upon request.

Warnings

Warnings (In effect)

Gale warning in effect

Lake St. Clair

Issued 2:27 PM EDT 20 October 2018

'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.

Watches (In effect)

Squall watch in effect

Lake St. Clair

Issued 2:24 PM EDT 20 October 2018 Conditions are favourable for the development of squalls with wind gusts up to 45 knots and hail.

Squalls will be possible this afternoon and evening.

Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway. Consider delaying or postponing travel in areas under the Squall Watch.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Waterspout watch in effect

Lake St. Clair

Issued 2:00 PM EDT 20 October 2018 Conditions are favourable for the development of waterspouts.

Waterspouts have been reported over Lakes Erie and Michigan this afternoon. Waterspouts will be possible this afternoon and evening.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 20 October 2018 Tonight and Sunday At 6:30 p.m. EDT tonight low 984 mb located over central Quebec.
By 6:30 p.m. EDT Sunday low 993 mb located east of Labrador.

At 6:30 p.m. EDT tonight cold front from low located on a line
northeast-southwest over New York State.
By 6:30 p.m. EDT Sunday cold front from low located on a line
north-south over Nova Scotia.

At 6:30 p.m. EDT tonight ridge located on a line north-south over
Lake of the Woods.
By 6:30 p.m. EDT Sunday ridge located on a line north-south over
central Lake Erie.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

What we are doing

Date modified: