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Southern Lake Huron

Forecast

Marine Forecast

Issued 03:00 AM EDT 29 July 2021

Today Tonight and Friday.

Strong wind warning in effect.

Wind south 15 knots becoming variable 15 this morning then becoming northwest 15 this afternoon. Wind increasing to northwest 20 early this evening then veering to north 25 near midnight. Wind diminishing to northwest 15 Friday afternoon and to west 10 Friday evening.

Scattered showers ending this evening with a risk of thunderstorms.

Waves

Issued 03:00 AM EDT 29 July 2021
Today Tonight and Friday. Waves one half to one metre building to one and one half metres this evening then subsiding to one Friday evening.

Extended Forecast

Issued 03:00 AM EDT 29 July 2021
Saturday Wind southwest 15 knots becoming north 15 late in the day.
Sunday Wind north 15 knots increasing to north 20.
Monday Wind northwest 15 knots backing to southwest 15.

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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 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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

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

Ice Forecasts

Lake Huron

Issued 12:00 PM EDT 9 May 2021 Forecasts have ended for the season.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 9 May 2021 Forecasts have ended for the season.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 9 May 2021 Forecasts have ended for the season.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 9 May 2021 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Squall warning in effect

Southern Lake Huron

Issued 05:48 AM EDT 29 July 2021 Squalls with wind gusts up to 35 knots, frequent lightning and poor to very poor visibility in thunderstorms heavy at times are expected or occurring in the area.

This line of severe thunderstorms is located from 40 kilometres west of Point Clark to 75 kilometres west of Point Edward, moving east at 35 knots.

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.

Strong wind warning in effect

Southern Lake Huron

Issued 03:00 AM EDT 29 July 2021

'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 3:00 AM EDT 29 July 2021 Today Tonight and Friday At 3:00 a.m. EDT today trough located on a line northeast-southwest
over Lake Michigan.
By 3:00 a.m. EDT Friday trough located on a line north-south over
southern Quebec.

At 3:00 a.m. EDT today ridge located on a line north-south over
western Manitoba.
By 3:00 a.m. EDT Friday approaching ridge located on a line
northeast-southwest over northwestern Ontario.

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