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Eastern Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EDT 25 June 2024

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind southwest 15 knots increasing to west 20 near noon then veering to northwest 20 this evening. Wind diminishing to north 15 late overnight and to north 10 Wednesday morning. Wind increasing to northwest 15 Wednesday afternoon.

Waves

Issued 10:30 AM EDT 25 June 2024
Today Tonight and Wednesday. Waves 0.5 to 1 metre building to 1 to 1.5 this afternoon then subsiding to 0.5 to 1 early Wednesday morning.

Extended Forecast

Issued 03:00 AM EDT 25 June 2024
Thursday Wind light.
Friday Wind south 15 knots increasing to south 20.
Saturday Wind southwest 15 knots becoming north 15.

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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

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Superior

Issued 10:30 AM EDT 25 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.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 25 June 2024 Today Tonight and Wednesday At 10:30 a.m. EDT today departing ridge located on a line
northeast-southwest over West Virginia.

At 10:30 a.m. EDT today trough located on a line northeast-southwest
over Lake Superior.
By 10:30 a.m. EDT Wednesday departing trough located on a line
northeast-southwest over the Eastern Seaboard.

By 10:30 a.m. EDT Wednesday high 1021 mb located over southeastern
Saskatchewan.

Great Lakes - Lake Superior Area

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