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Eastern Lake Superior

Forecast

Marine Forecast

Issued 03:00 AM EDT 24 June 2024

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind west 10 knots becoming light early this morning then increasing to southeast 15 this afternoon. Wind increasing to south 20 this evening then veering to southwest 15 to 20 Tuesday morning. Wind veering to west 20 near noon Tuesday then to northwest 25 Tuesday evening.

Scattered thunderstorms or scattered showers beginning overnight becoming scattered showers Tuesday morning.

Waves

Issued 03:00 AM EDT 24 June 2024
Today Tonight and Tuesday. Waves 0.5 metres or less building to 0.5 to 1 early this evening and to 1 to 1.5 near midnight.

Extended Forecast

Issued 03:00 AM EDT 24 June 2024
Wednesday Wind northwest 20 knots diminishing to light late in the day.
Thursday Wind light.
Friday Wind southeast 15 knots increasing to southeast 20.

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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 03:00 AM EDT 24 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 3:00 AM EDT 24 June 2024 Today Tonight and Tuesday At 3:00 a.m. EDT today low 995 mb located east of Montréal.
By 3:00 a.m. EDT Tuesday departing low 1000 mb located over
Nova Scotia.

At 3:00 a.m. EDT today ridge located on a line north-south over
Wisconsin.
By 3:00 a.m. EDT Tuesday ridge located on a line northeast-southwest
over New York State.

At 3:00 a.m. EDT today low 999 mb located over central Saskatchewan.
By 3:00 a.m. EDT Tuesday low 991 mb located over northern Ontario.

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