Eastern Lake Ontario

Forecast

Marine Forecast

Issued 10:30 AM EDT 24 July 2016

Today Tonight and Monday

Strong wind warning in effect.

Wind light becoming east 10 knots near noon then veering to southeast 10 early this evening. Wind increasing to southwest 15 late overnight and to west 20 Monday morning.

Chance of showers tonight and Monday morning with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 24 July 2016
Today Tonight and Monday Waves one half metre or less building to one early Monday morning and to one and one half metres near noon Monday.

Extended Forecast

Issued 03:00 AM EDT 24 July 2016
Tuesday Wind northwest 15 knots.
Wednesday Wind light.
Thursday Wind light.

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 EDT 7 May 2016 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Ontario

Issued 10:30 AM EDT 24 July 2016

'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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 24 July 2016 Today Tonight and Monday At 10:30 a.m. EDT today departing ridge located on a line
north-south over eastern Ontario.

At 10:30 a.m. EDT today low 999 mb located over northwestern
Ontario.
By 10:30 a.m. EDT Monday low 1000 mb located near James Bay.

At 10:30 a.m. EDT today trough located on a line northwest-southeast
over Lake Superior.
By 10:30 a.m. EDT Monday cold front from low located from James
Bay to Ottawa.

At 10:30 a.m. EDT today high 1018 mb located over Nebraska.
By 10:30 a.m. EDT Monday high 1020 mb located over Iowa.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

What we are doing

Date modified: