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Eastern Lake Erie

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 15 July 2026

Today Tonight and Thursday.

Wind southwest 15 knots diminishing to north 10 this evening then backing to northwest 10 early Thursday morning. Wind backing to southwest 10 near noon Thursday then increasing to west 15 Thursday afternoon. Wind diminishing to north 10 Thursday evening.

Smoke forming near midnight. Visibility as low as 1 mile in smoke.

Waves

Issued 10:30 AM EDT 15 July 2026
Today Tonight and Thursday. Waves 0.5 to 1 metre subsiding to 0.5 or less near midnight then building to 0.5 to 1 Thursday evening.

Extended Forecast

Issued 03:00 AM EDT 15 July 2026
Friday Wind light.
Saturday Wind southwest 15 knots veering to northwest 15 late in the day.
Sunday Wind northeast 15 knots diminishing to light.

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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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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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 15 July 2026 Today Tonight and Thursday At 10:30 a.m. EDT today quasi-stationary ridge located on a line
northwest-southeast over southern Manitoba.

At 10:30 a.m. EDT today trough located on a line east-west over
southern Ontario.
By 10:30 a.m. EDT Thursday departing trough located on a line
northeast-southwest over the Eastern Seaboard.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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