Southern Lake Huron

Forecast

Marine Forecast

Issued 10:30 AM EDT 18 June 2018

Today Tonight and Tuesday.

Squall watch in effect.

Wind southwest 15 knots with gusts to 50 near thunderstorms. Wind becoming northwest 15 this afternoon then diminishing to northwest 10 near midnight. Wind veering to northeast 10 early Tuesday morning then backing to north 10 Tuesday afternoon.

A few showers ending early this evening with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 18 June 2018
Today Tonight and Tuesday. Waves one half metre building to one this afternoon then subsiding to one half metre or less late overnight.

Extended Forecast

Issued 03:00 AM EDT 18 June 2018
Wednesday Wind northeast 20 knots diminishing to light late in the day.
Thursday Wind light becoming northeast 15 knots.
Friday Wind northeast 15 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EDT 22 May 2018 Forecasts available to mariners upon request.

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

  

[ Canadian Ice Service ]

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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 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 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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Ice Conditions

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

Ice Forecasts

Lake Huron

Issued 12:00 PM EDT 22 May 2018

Ice Coverage

Forecasts available to mariners upon request.

Ice Forecasts

Lake Michigan

Issued 12:00 PM EDT 22 May 2018

Ice Coverage

Forecasts available to mariners upon request.

Warnings

Warnings (In effect)

Squall warning in effect

Southern Lake Huron

Issued 3:46 PM EDT 18 June 2018 Squalls with wind gusts up to 40 knots, frequent lightning and poor to very poor visibility in thunderstorms heavy at times are expected or occurring in the area.

Thunderstorms approaching from the Thumb of Michigan will reach the waters of Southern lake Huron, south of Goderich, late this afternoon

Squalls to 40 knots, torrential downpours suddenly reducing visibility to near zero, and frequent lightning are possible with the thunderstorms.

Poor to very poor visibility may contribute to voyage delays and make marine navigation hazardous. Vessels without lightning protection should make their way to shore immediately. Mariners are advised to prepare for squalls. If underway, seek safe harbour immediately.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Watches (In effect)

Squall watch in effect

Southern Lake Huron

Issued 10:33 AM EDT 18 June 2018 Conditions are favourable for the development of squalls with wind gusts up to 50 knots, frequent lightning, hail and poor to very poor visibility in thunderstorms heavy at times.

Thunderstorms near a cold front will move across the lake this afternoon. Squalls of 50 knots are possible. Torrential downpours suddenly reducing visibility to near zero, frequent lightning, and hail may also be associated.

Poor to very poor visibility may contribute to voyage delays and make marine navigation hazardous. Vessels without lightning protection should make their way to shore immediately. Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 18 June 2018 Today Tonight and Tuesday At 10:30 a.m. EDT today cold front located from Quebec to Lake
Nipissing then to Upper Michigan.
By 10:30 a.m. EDT Tuesday cold front located on a line east-west
over Ohio.

At 10:30 a.m. EDT today building ridge located on a line
northeast-southwest over southern Manitoba.
By 10:30 a.m. EDT Tuesday ridge located from James Bay to Lake
Superior then to North Dakota.

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