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Western Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EST 26 November 2020

Today Tonight and Friday.

Strong wind warning in effect.

Wind southwest 20 knots increasing to southwest 25 this afternoon then veering to northwest 20 this evening. Wind diminishing to northwest 15 late overnight and to west 10 Friday morning. Wind increasing to west 15 Friday evening.

Flurries or showers Friday afternoon and evening.

Waves

Issued 10:30 AM EST 26 November 2020
Today Tonight and Friday. Waves one metre building to one and one half metres near noon then subsiding to one early Friday morning. Waves subsiding to one half metre or less near noon Friday then building to one Friday evening.

Extended Forecast

Issued 03:00 AM EST 26 November 2020
Saturday Wind west 20 knots.
Sunday Wind south 15 knots increasing to north 30.
Monday Wind north 30 knots.

Ice Forecast*

Issued 12:00 PM EST 26 November 2020 Today Tonight and Friday Ice free except 6 tenths new lake ice in Black Bay.

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

 

[ Canadian Ice Service ]

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Map of Great Lakes - Lake Superior marine weather areas Mid Superior - 45001 East Superior - 45004 West Superior - 45006 Slate Island - 45136 Lake Of the Woods - 45148 Kenora Airport Royal Island Armstrong Airport Caribou Island Marathon Airport Pukaskwa National Park Thunder Bay Airport Welcome Island Little Flatland Island Sault Ste. Marie Airport Wawa Airport
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land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 26 November 2020 Today Tonight and Friday

Ice Coverage

Ice free except 6 tenths new lake ice in Black Bay.

Warnings

Warnings (In effect)

Strong wind warning in effect

Western Lake Superior

Issued 10:30 AM EST 26 November 2020

'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 10:30 AM EST 26 November 2020 Today Tonight and Friday At 10:30 a.m. EST today dissipating low 1007 mb located over
Georgian Bay.

At 10:30 a.m. EST today trough located on a line north-south over
northwestern Ontario.
By 10:30 a.m. EST Friday trough located from Labrador to Vermont.

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