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Western Lake Superior

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 19 April 2024

Today Tonight and Saturday.

Wind west 15 knots backing to southwest 20 near noon then veering to west 20 early this evening. Wind veering to northwest 20 late this evening then backing to west 15 near noon Saturday.

Scattered flurries or scattered showers this evening.

Waves

Issued 10:30 AM EDT 19 April 2024
Today Tonight and Saturday. Waves 1 to 1.5 metres subsiding to 1 near noon Saturday.

Extended Forecast

Issued 03:00 AM EDT 19 April 2024
Sunday Wind northwest 20 knots diminishing to light late in the day.
Monday Wind light becoming south 15 knots.
Tuesday Wind south 15 knots increasing to northeast 30.

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 19 April 2024 Today Tonight and Saturday At 10:30 a.m. EDT today low 1003 mb located over northern Ontario.
By 10:30 a.m. EDT Saturday low 984 mb located east of James Bay.

At 10:30 a.m. EDT today trough from low located on a line
northeast-southwest over southern Ontario.
By 10:30 a.m. EDT Saturday trough from low located on a line
northeast-southwest over the Eastern Seaboard.

At 10:30 a.m. EDT today ridge located from Montana to Iowa.
By 10:30 a.m. EDT Saturday ridge located from Montana to Indiana
then to New York State.

Great Lakes - Lake Superior Area

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Marine Weather for Canada

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