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Western Lake Superior

Forecast

Marine Forecast

Issued 03:00 AM EDT 15 April 2024

Today Tonight and Tuesday.

Wind northwest 10 knots increasing to northwest 15 early this morning then diminishing to southwest 10 this afternoon. Wind becoming light near midnight then becoming northeast 15 Tuesday morning.

Waves

Issued 03:00 AM EDT 15 April 2024
Today Tonight and Tuesday. Waves 0.5 metres or less building to 0.5 to 1 this morning then subsiding to 0.5 or less early this evening. Waves building to 0.5 to 1 near noon Tuesday.

Extended Forecast

Issued 03:00 AM EDT 15 April 2024
Wednesday Wind east 25 knots veering to southeast 30 in the morning then diminishing to southeast 20 late in the day.
Thursday Wind southeast 20 knots diminishing to west 15.
Friday Wind west 15 knots increasing to west 20.

Ice Forecast*

Issued 12:00 PM EDT 14 April 2024 Today Tonight and Monday Open water except 6 tenths rotten thick lake ice in Black Bay, Nipigon Bay, and the extreme eastern section of Thunder Bay.

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

 

[ Canadian Ice Service ]

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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 14 April 2024 Today Tonight and Monday

Ice Coverage

Open water except 6 tenths rotten thick lake ice in Black Bay,
Nipigon Bay, and the extreme eastern section of Thunder Bay.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 15 April 2024 Today Tonight and Tuesday At 3:00 a.m. EDT today departing trough located over Pennsylvania.

At 3:00 a.m. EDT today departing low 992 mb located over southern
Hudson Bay.

At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over Manitoba.
By 3:00 a.m. EDT Tuesday ridge located on a line northwest-southeast
over Lake Superior.

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