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Western Lake Superior


Marine Forecast

Issued 03:00 AM EDT 14 June 2024

Today Tonight and Saturday.

Strong wind warning in effect.

Wind north 10 knots becoming light this morning then becoming southwest 10 this afternoon. Wind becoming light this evening then becoming south 15 Saturday morning. Wind backing to southeast 15 near noon Saturday then increasing to south 20 Saturday evening.


Issued 03:00 AM EDT 14 June 2024
Today Tonight and Saturday. Waves 0.5 metres or less building to 0.5 to 1 Saturday morning.

Extended Forecast

Issued 03:00 AM EDT 14 June 2024
Sunday Wind southeast 15 knots increasing to southeast 20 in the morning.
Monday Wind south 15 knots diminishing to light.
Tuesday Wind light increasing to southeast 20 knots.

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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 27 April 2024 Forecasts have ended for the season.

Warnings (In effect)

Strong wind warning in effect

Western Lake Superior

Issued 03:00 AM EDT 14 June 2024

'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.


Technical Marine Synopsis

Issued 3:00 AM EDT 14 June 2024 Today Tonight and Saturday At 3:00 a.m. EDT today departing cold front located on a line
northeast-southwest over New York State.

At 3:00 a.m. EDT today high 1018 mb located over southern
By 3:00 a.m. EDT Saturday high 1022 mb located over Sault
Ste. Marie.

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