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Western Lake Erie

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 18 July 2026

Today Tonight and Sunday.

Strong wind warning in effect.

Wind southwest 20 knots veering to northwest 20 this afternoon then to north 20 this evening. Wind diminishing to north 15 late overnight and to north 10 Sunday morning.

Scattered showers ending this evening with a risk of thunderstorms. Smoke forming early this evening. Visibility as low as 1 mile in smoke.

Waves

Issued 10:30 AM EDT 18 July 2026
Today Tonight and Sunday. Waves 1.5 metres subsiding to 1 early this evening and to 0.5 or less near noon Sunday.

Extended Forecast

Issued 03:00 AM EDT 18 July 2026
Monday Wind light becoming southwest 15 knots in the afternoon.
Tuesday Wind southwest 20 knots veering to northwest 15 late in the day.
Wednesday Wind northwest 20 knots.

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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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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 17 May 2026 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Squall warning in effect

Western Lake Erie

Issued 2:05 PM EDT 18 July 2026 Squalls with wind gusts up to 50 knots, frequent lightning and hail of 2 to 4 centimetres are expected or occurring in the area.

A line of thunderstorms moving southeast at roughly 30 knots will cross Lake Erie. These thunderstorms have a history of producing hail as large as 4 cm.

Large hail can damage vessels and cause injury. Vessels without lightning protection should make their way to shore immediately. Mariners are advised to prepare for squalls. If underway, seek safe harbour immediately.

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

Strong wind warning in effect

Western Lake Erie

Issued 10:30 AM EDT 18 July 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.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 18 July 2026 Today Tonight and Sunday At 10:30 a.m. EDT today low 999 mb located north of Lake Nipissing.
By 10:30 a.m. EDT Sunday low 986 mb located over eastern Quebec.

At 10:30 a.m. EDT today ridge located on a line north-south over
North Dakota.
By 10:30 a.m. EDT Sunday ridge located on a line north-south over
Lake Michigan.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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