Southern Georgian Bay

Forecast

Marine Forecast

Issued 03:00 AM EST 22 January 2018

Today Tonight and Tuesday.

Wind east 10 knots increasing to east 25 this morning then veering to southeast 20 this evening. Wind veering to southwest 15 Tuesday morning then increasing to northwest 25 Tuesday afternoon.

Snow beginning this morning changing to periods of rain this afternoon with risk of freezing rain then to snow near noon Tuesday. Fog patches dissipating near noon Tuesday.

Risk of freezing spray Tuesday evening.

Waves

Issued 03:00 AM EST 22 January 2018
Today Tonight and Tuesday. Over open water waves less than one half metre building to one near noon then subsiding to less than one half metre Tuesday morning. Waves building to 2 Tuesday evening.

Extended Forecast

Issued 03:00 AM EST 22 January 2018
Wednesday Wind north 25 knots diminishing to north 15 in the afternoon.
Thursday Wind light becoming southwest 15 knots late in the day.
Friday Wind southwest 20 knots.

Ice Forecast*

Issued 12:00 PM EST 21 January 2018 Today Tonight and Monday Open water except 9 tenths medium lake ice in the northeastern section. Consolidated medium lake ice including 4 tenths thick lake ice along the northeastern shore.

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

 

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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 Executive 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 EST 21 January 2018 Today Tonight and Monday

Ice Coverage

Open water except 9 tenths medium lake ice in the northeastern
section. Consolidated medium lake ice including 4 tenths thick lake
ice along the northeastern shore.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 22 January 2018 Today Tonight and Tuesday At 3:00 a.m. EST today low 998 mb located over southwestern Iowa.
By 3:00 a.m. EST Tuesday low 996 mb located over central Lake
Michigan.

At 3:00 a.m. EST today ridge located on a line northwest-southeast
over northern Ontario.
By 3:00 a.m. EST Tuesday ridge located on a line northwest-southeast
over southern Hudson Bay.

Great Lakes - Lake Erie and Lake Ontario Area

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