Western Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EDT 23 September 2018

Today Tonight and Monday.

Strong wind warning in effect.

Wind northeast 25 knots veering to east 25 near noon then to southeast 30 late overnight. Wind veering to south 25 Monday evening.

Chance of showers changing to showers near midnight and ending early Monday morning.

Waves

Issued 10:30 AM EDT 23 September 2018
Today Tonight and Monday. Waves one and one half metres building to 2 to 3 near midnight.

Extended Forecast

Issued 03:00 AM EDT 23 September 2018
Tuesday Wind south 30 knots diminishing to northwest 20 in the morning.
Wednesday Wind northwest 15 knots.
Thursday Wind light increasing to northwest 20 knots late in the day.

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)

Strong wind warning in effect

Western Lake Superior

Issued 10:30 AM EDT 23 September 2018

'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 EDT 23 September 2018 Today Tonight and Monday At 10:30 a.m. EDT today ridge located from Lake Winnipeg to New
England.
By 10:30 a.m. EDT Monday departing ridge located from Hudson Bay
to Nova Scotia.

At 10:30 a.m. EDT today warm front from 1009 mb low located from
South Dakota to Whitefish Bay.
By 10:30 a.m. EDT Monday warm front from 1006 mb low located from
Lake of the Woods to Kentucky.

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