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Western Lake Superior

Forecast

Marine Forecast

Issued 03:00 AM EDT 29 March 2024

Today Tonight and Saturday.

Wind northwest 15 knots backing to west 15 near noon then diminishing to variable 10 this evening. Wind becoming east 10 Saturday morning then veering to southeast 10 near noon Saturday. Wind becoming light Saturday evening.

Flurries overnight and Saturday. Visibility 1 mile or less in flurries.

Waves

Issued 03:00 AM EDT 29 March 2024
Today Tonight and Saturday. Waves 0.5 to 1 metre subsiding to 0.5 or less this afternoon.

Extended Forecast

Issued 03:00 AM EDT 29 March 2024
Sunday Wind light.
Monday Wind light becoming northeast 15 knots.
Tuesday Wind northeast 15 knots.

Ice Forecast*

Issued 12:00 PM EDT 28 March 2024 Today Tonight and Friday Open water except 1 tenth rotten medium lake ice along parts of the northern shore. CONSOLIDATED rotten thick lake ice in Black Bay, Nipigon Bay, and parts 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 28 March 2024 Today Tonight and Friday

Ice Coverage

Open water except 1 tenth rotten medium lake ice along parts of the
northern shore. CONSOLIDATED rotten thick lake ice in Black Bay,
Nipigon Bay, and parts of Thunder Bay.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 29 March 2024 Today Tonight and Saturday At 3:00 a.m. EDT today dissipating low 1001 mb located over southern
Hudson Bay.

At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over Lake of the Woods.
By 3:00 a.m. EDT Saturday ridge located on a line
northwest-southeast over North Channel.

By 3:00 a.m. EDT Saturday approaching low 1004 mb located over
eastern Iowa.

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