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Eastern Lake Superior

Forecast

Marine Forecast

Issued 03:00 AM EDT 13 April 2021

Today Tonight and Wednesday.

Wind southeast 15 knots diminishing to variable 10 early this morning then increasing to north 15 near noon Wednesday. Wind increasing to north 20 Wednesday evening.

Showers ending near midnight. Fog patches dissipating Wednesday morning.

Waves

Issued 03:00 AM EDT 13 April 2021
Today Tonight and Wednesday. Waves one half metre subsiding to less than one half metre near noon then building to one near midnight. Waves building to 3 Wednesday afternoon and to 4 Wednesday evening.

Extended Forecast

Issued 03:00 AM EDT 13 April 2021
Thursday Wind north 25 knots.
Friday Wind north 20 knots.
Saturday Wind north 20 knots.

Ice Forecast*

Issued 12:00 PM EDT 12 April 2021 Today Tonight and Tuesday Open water.

*Ice Forecast and Warnings also apply to U.S. waters

 

[ Canadian Ice Service ]

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Weather Conditions

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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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buoy Buoy
land station Land Station
Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EDT 12 April 2021 Today Tonight and Tuesday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 13 April 2021 Today Tonight and Wednesday At 3:00 a.m. EDT today low 1007 mb located over western Lake
Superior.
By 3:00 a.m. EDT Wednesday weakening low 1016 mb located near
Thunder Bay.

At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over northern Saskatchewan.
By 3:00 a.m. EDT Wednesday ridge located on a line
northeast-southwest over northern Manitoba.

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