Eastern Lake Superior

Forecast

Marine Forecast

Issued 06:30 PM EDT 21 September 2018

Tonight and Saturday.

Gale warning in effect.

Wind northwest 40 knots diminishing to northwest 20 this evening and to west 15 late overnight. Wind increasing to southwest 25 Saturday morning then veering to west 25 Saturday afternoon. Wind veering to north 20 Saturday evening.

A few showers beginning near noon Saturday.

Waves

Issued 06:30 PM EDT 21 September 2018
Tonight and Saturday. Waves 4 metres subsiding to one and one half metres near midnight.

Extended Forecast

Issued 06:30 PM EDT 21 September 2018
Sunday Wind light increasing to northeast 20 knots in the morning.
Monday Wind southeast 20 knots increasing to south 30 late in the day.
Tuesday Wind south 30 knots diminishing to northwest 15.

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

Eastern Lake Superior

Issued 8:51 PM EDT 21 September 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 21 September 2018 Tonight and Saturday At 6:30 p.m. EDT tonight departing low 978 mb located east of
James Bay.

At 6:30 p.m. EDT tonight departing cold front from low located on
a line northeast-southwest over New York State.

At 6:30 p.m. EDT tonight ridge located on a line north-south
over Minnesota.
By 6:30 p.m. EDT Saturday ridge located on a line east-west over
Lake Ontario.

By 6:30 p.m. EDT Saturday trough located on a line east-west over
Lake Superior.

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