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Western Lake Superior

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 18 April 2024

Today Tonight and Friday.

Wind west 10 knots increasing to southwest 20 near noon then diminishing to southwest 15 this evening. Wind veering to west 20 Friday morning.

Waves

Issued 10:30 AM EDT 18 April 2024
Today Tonight and Friday. Waves 0.5 metres building to 1 this afternoon and to 2 near noon Friday.

Extended Forecast

Issued 03:00 AM EDT 18 April 2024
Saturday Wind west 25 knots.
Sunday Wind west 20 knots.
Monday Wind light.

Ice Forecast*

Issued 12:00 PM EDT 18 April 2024 Today Tonight and Friday Open water except 8 tenths rotten thick lake ice along parts of the coast in in western Nipigon 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 18 April 2024 Today Tonight and Friday

Ice Coverage

Open water except 8 tenths rotten thick lake ice along parts of the
coast in in western Nipigon Bay.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 18 April 2024 Today Tonight and Friday At 10:30 a.m. EDT today departing ridge located on a line
north-south over eastern Quebec.

At 10:30 a.m. EDT today low 1005 mb located over southeastern
Manitoba.
By 10:30 a.m. EDT Friday low 1004 mb located over James Bay.

By 10:30 a.m. EDT Friday trough from low located on a line
north-south over southern Ontario.

Great Lakes - Lake Superior Area

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Marine Weather for Canada

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