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Eastern Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EDT 15 April 2024

Today Tonight and Tuesday.

Wind northwest 15 knots increasing to northwest 20 this afternoon then diminishing to northwest 15 this evening. Wind diminishing to light late overnight then becoming northeast 10 Tuesday morning. Wind increasing to east 15 Tuesday afternoon.

Waves

Issued 10:30 AM EDT 15 April 2024
Today Tonight and Tuesday. Waves 0.5 to 1 metre subsiding to 0.5 or less early Tuesday morning then building to 0.5 to 1 Tuesday evening.

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 15 April 2024 Today Tonight and Tuesday Ice free.

*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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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 15 April 2024 Today Tonight and Tuesday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 15 April 2024 Today Tonight and Tuesday At 10:30 a.m. EDT today departing trough located on a line
northeast-southwest over Pennsylvania.

At 10:30 a.m. EDT today low 999 mb located over James Bay.
By 10:30 a.m. EDT Tuesday departing low 1010 mb located over
eastern Quebec.

At 10:30 a.m. EDT today ridge located on a line northwest-southeast
over the Ontario - Manitoba border.
By 10:30 a.m. EDT Tuesday ridge located on a line
northwest-southeast over Lake Ontario.

Great Lakes - Lake Superior Area

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