Georgian Bay


Marine Forecast

Issued 03:00 AM EDT 28 May 2017

Today Tonight and Monday.

Wind southeast 10 knots becoming light overnight then becoming west 10 Monday morning. Wind increasing to west 15 Monday afternoon then diminishing to southwest 10 Monday evening.

A few showers tonight and Monday morning. Risk of thunderstorms this evening and Monday morning. Chance of showers beginning Monday evening. Fog patches dissipating this morning. Fog patches forming near midnight and dissipating near noon Monday.


Issued 03:00 AM EDT 28 May 2017
Today Tonight and Monday. Waves less than one half metre building to one half metre early this morning.

Extended Forecast

Issued 03:00 AM EDT 28 May 2017
Tuesday Wind light increasing to southwest 20 knots in the afternoon.
Wednesday Wind southwest 20 knots diminishing to light.
Thursday Wind northwest 15 knots diminishing to light.

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Weather Conditions

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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 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
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 27 April 2017 Forecasts have ended for the season.

No watches or warnings in effect.


Technical Marine Synopsis

Issued 3:00 AM EDT 28 May 2017 Today Tonight and Monday At 3:00 a.m. EDT today departing ridge located on a line
northwest-southeast over New York State.

At 3:00 a.m. EDT today low 1001 mb located over the northern
Ontario - Manitoba border.
By 3:00 a.m. EDT Monday low 1002 mb located over Lake Nipigon.

At 3:00 a.m. EDT today low 1004 mb located over Illinois.
By 3:00 a.m. EDT Monday low 1001 mb located over eastern Lake Erie.

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