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Eastern Lake Erie


Marine Forecast

Issued 10:30 AM EDT 29 July 2021

Today Tonight and Friday.

Strong wind warning in effect.

Wind south 15 knots veering to west 15 near noon then increasing to northwest 15 to 20 early this evening. Wind veering to north 20 near midnight then diminishing to north 15 Friday morning. Wind diminishing to north 10 Friday evening.

Scattered showers ending this evening with a risk of thunderstorms.


Issued 10:30 AM EDT 29 July 2021
Today Tonight and Friday. Waves one half metre building to one near noon.

Extended Forecast

Issued 03:00 AM EDT 29 July 2021
Saturday Wind light becoming southwest 15 knots in the afternoon.
Sunday Wind west 15 knots veering to north 20.
Monday Wind north 15 knots diminishing to light.

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Weather Conditions

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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 / 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
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Ice Conditions

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

Ice Forecasts

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

Warnings (In effect)

Squall warning in effect

Eastern Lake Erie

Issued 08:10 AM EDT 29 July 2021 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 with gusts of 35 to 40 knots will move from Southern Ontario across the lake this morning. A gust of 37 knots was reported in Delhi Ontario near 8 AM.

Visibility may suddenly be reduced to less than half a mile in torrential downpours.

The thunderstorms will move to the southeast of the lake by noon.

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. Consider delaying or postponing travel in areas under the squall warning.

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

Eastern Lake Erie

Issued 10:30 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.


Technical Marine Synopsis

Issued 10:30 AM EDT 29 July 2021 Today Tonight and Friday At 10:30 a.m. EDT today cold front located on a line
northeast-southwest over northern Lake Huron.
By 10:30 a.m. EDT Friday departing cold front located from Maine
to Virginia.

At 10:30 a.m. EDT today ridge from 1024 mb high located from North
Dakota to Lake Winnipeg.
By 10:30 a.m. EDT Friday ridge from 1023 mb high located from
Wisconsin to James Bay.

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