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Eastern Lake Superior

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 23 March 2023

Today Tonight and Friday.

Wind northwest 30 knots diminishing to northwest 20 near noon and to northwest 15 this evening. Wind diminishing to light late overnight then becoming south 10 Friday morning. Wind increasing to southeast 15 Friday evening.

Waves

Issued 10:30 AM EDT 23 March 2023
Today Tonight and Friday. Waves 2 to 3 metres subsiding to 1 to 1.5 this afternoon and to 0.5 early Friday morning.

Extended Forecast

Issued 03:00 AM EDT 23 March 2023
Saturday Wind southeast 15 knots backing to northeast 20 in the morning.
Sunday Wind northwest 20 knots.
Monday Wind northwest 15 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EDT 23 March 2023 Today Tonight and Friday Open water except 1 tenth medium lake ice along parts of the southern and eastern shores.

*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 23 March 2023 Today Tonight and Friday

Ice Coverage

Open water except 1 tenth medium lake ice along parts of the
southern and eastern shores.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 23 March 2023 Today Tonight and Friday At 10:30 a.m. EDT today low 1000 mb located southeast of James Bay.
By 10:30 a.m. EDT Friday low 1010 mb located over central Quebec.

At 10:30 a.m. EDT today trough located on a line northeast-southwest
over southern Ontario.
By 10:30 a.m. EDT Friday departing trough located on a line
northwest-southeast over the Maritimes.

At 10:30 a.m. EDT today high 1023 mb located over southeastern
Minnesota.
By 10:30 a.m. EDT Friday high 1022 mb located over northeastern
Ontario.

Great Lakes - Lake Superior Area

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