Western Lake Ontario

Forecast

Marine Forecast

Issued 10:46 AM EST 01 March 2017

Today Tonight and Thursday

Gale warning in effect.

Wind southwest 20 knots increasing to southwest 35 this afternoon then veering to west 35 near midnight. Wind diminishing to west 25 Thursday morning and to west 15 near noon Thursday. Wind veering to northwest 15 Thursday evening.

A few showers and fog patches ending early this evening. A few flurries overnight. Visibility 1 mile or less in fog patches and in flurries.

Freezing spray warning in effect.

Freezing spray Thursday morning and afternoon.

Waves

Issued 10:47 AM EST 01 March 2017
Today Tonight and Thursday Waves one metre building to 3 early this evening then subsiding to 2 late overnight. Waves subsiding to one near noon Thursday.

Extended Forecast

Issued 03:00 AM EST 01 March 2017
Friday Wind northwest 15 knots backing to southwest 20 in the morning then veering to northwest 15 in the afternoon.
Saturday Wind northwest 25 knots diminishing to light.
Sunday Wind light becoming southeast 15 knots late in the day.

Ice Forecast*

Issued 12:00 PM EST 1 March 2017 Today Tonight and Thursday Open water.

*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 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 Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Port Weller St. Catharines Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Municipal Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport Killarney Western Islands Cove Island Long Point Port Colborne Erieau Point Pelee
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 EST 1 March 2017 Today Tonight and Thursday

Ice Coverage

Open water.

Warnings

Warnings (In effect)

Gale warning in effect

Western Lake Ontario

Issued 10:46 AM EST 01 March 2017

'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.

Freezing spray warning in effect

Western Lake Ontario

Issued 10:46 AM EST 01 March 2017

Moderate or severe freezing spray is 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 10:30 AM EST 1 March 2017 Today Tonight and Thursday At 10:30 a.m. EST today deepening low 994 mb located east of
Lake Michigan.
By 10:30 a.m. EST Thursday low 982 mb located over New Brunswick.

At 10:30 a.m. EST today trough from low located on a line
northeast-southwest over southern Ontario.
By 10:30 a.m. EST Thursday trough from low located on a line
northeast-southwest over the Gulf of St. Lawrence.

At 10:30 a.m. EST today high 1026 mb located over northeastern
Ontario.
By 10:30 a.m. EST Thursday dissipating high 1020 mb located over
northern Quebec.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

What we are doing

Date modified: