Western Lake Superior

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 18 October 2018

Today Tonight and Friday.

Gale warning in effect.

Wind southwest 25 knots increasing to southwest 35 near noon then diminishing to southwest 30 near midnight. Wind diminishing to west 15 Friday afternoon then increasing to northwest 25 Friday evening.

Showers beginning Friday morning.

Waves

Issued 10:30 AM EDT 18 October 2018
Today Tonight and Friday. Waves one metre building to 2 to 3 near noon.

Extended Forecast

Issued 03:00 AM EDT 18 October 2018
Saturday Wind northwest 25 knots increasing to northwest 35 in the morning.
Sunday Wind northwest 30 knots diminishing to northwest 15.
Monday Wind light.

Ice Forecast*

Issued 12:00 PM EDT 6 July 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 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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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 6 July 2018

Ice Coverage

Forecasts available to mariners upon request.

Warnings

Warnings (In effect)

Gale warning in effect

Western Lake Superior

Issued 10:30 AM EDT 18 October 2018

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 6:30 PM EDT 18 October 2018 Tonight and Friday At 6:30 p.m. EDT tonight departing ridge located on a line
north-south over western Quebec.

At 6:30 p.m. EDT tonight deepening low 1001 mb located over
northern Manitoba.
By 6:30 p.m. EDT Friday low 988 mb located southeast of James Bay.

At 6:30 p.m. EDT tonight cold front from low located on a line
northeast-southwest over Manitoba.
By 6:30 p.m. EDT Friday cold front from low located on a line
northeast-southwest over Whitefish Bay.

Great Lakes - Lake Superior Area

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