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Eastern Lake Superior

Forecast

Marine Forecast

Issued 03:00 AM EDT 26 September 2020

Today Tonight and Sunday.

Strong wind warning in effect.

Wind southwest 15 knots diminishing to variable 10 this morning then increasing to southeast 15 early this evening. Wind increasing to south 20 Sunday morning then veering to southwest 25 near noon Sunday.

Showers tonight and Sunday morning with a risk of thunderstorms. Fog patches dissipating near noon Sunday.

Waves

Issued 03:00 AM EDT 26 September 2020
Today Tonight and Sunday. Waves one and one half metres subsiding to one early this morning and to one half metre or less near noon. Waves building to one near noon Sunday and to 2 Sunday afternoon.

Extended Forecast

Issued 03:00 AM EDT 26 September 2020
Monday Wind west 15 knots diminishing to light in the morning.
Tuesday Wind northwest 15 knots.
Wednesday Wind light increasing to north 20 knots late in the day.

Ice Forecast*

Issued 12:00 PM EDT 17 May 2020 Today Tonight and Monday 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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land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 17 May 2020 Today Tonight and Monday

Ice Coverage

Forecasts available to mariners upon request.

Warnings

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Superior

Issued 03:00 AM EDT 26 September 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 3:00 AM EDT 26 September 2020 Today Tonight and Sunday At 3:00 a.m. EDT today departing ridge located on a line north-south
over eastern Quebec.

At 3:00 a.m. EDT today trough located on a line north-south over
western Whitefish Bay.
By 3:00 a.m. EDT Sunday trough located on a line northwest-southeast
over northern James Bay.

At 3:00 a.m. EDT today low 1002 mb located over South Dakota.
By 3:00 a.m. EDT Sunday low 998 mb located over western Lake
Superior.

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