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Eastern Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EDT 21 May 2024

Today Tonight and Wednesday.

Wind light becoming southeast 10 knots near noon then veering to south 10 near midnight. Wind increasing to southwest 15 Wednesday afternoon.

Scattered showers this morning with a risk of thunderstorms. Showers Wednesday late in the day with a risk of thunderstorms.

Waves

Issued 03:00 AM EDT 21 May 2024
Today Tonight and Wednesday. Waves 0.5 metres or less building to 0.5 to 1 Wednesday evening.

Extended Forecast

Issued 03:00 AM EDT 21 May 2024
Thursday Wind west 15 knots diminishing to light in the morning.
Friday Wind west 15 knots diminishing to light.
Saturday Wind light.

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Map of Great Lakes - Lake Huron 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 / Niagara District 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
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land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 27 April 2024 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 21 May 2024 Today Tonight and Wednesday At 3:00 a.m. EDT today low 997 mb located over western Kansas.
By 3:00 a.m. EDT Wednesday low 986 mb located over western Lake
Superior.

Great Lakes - Lake Huron Area

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