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Eastern Lake Superior

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 19 September 2021

Today Tonight and Monday.

Strong wind warning in effect.

Wind south 15 knots increasing to south 20 early this morning and to south 25 Monday afternoon.

Showers Monday evening with a risk of thunderstorms.

Waves

Issued 03:00 AM EDT 19 September 2021
Today Tonight and Monday. Waves one metre building to one and one half metres this morning and to 2 early this evening.

Extended Forecast

Issued 03:00 AM EDT 19 September 2021
Tuesday Wind south 25 knots becoming northwest 25 in the morning.
Wednesday Wind north 15 knots diminishing to light.
Thursday Wind light.

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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 9 May 2021 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Superior

Issued 03:00 AM EDT 19 September 2021

'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 19 September 2021 Today Tonight and Monday At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over Lake Nipissing.
By 3:00 a.m. EDT Monday ridge located over eastern Quebec.

At 3:00 a.m. EDT today trough located on a line north-south over
eastern Saskatchewan.
By 3:00 a.m. EDT Monday trough located on a line northeast-southwest
over northwestern Ontario.

Great Lakes - Lake Superior Area

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Marine Weather for Canada

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