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Eastern Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EST 20 February 2024

Today Tonight and Wednesday.

Wind southeast 20 knots veering to southwest 15 near midnight then to west 15 early Wednesday morning. Wind diminishing to variable 10 Wednesday evening.

Waves

Issued 10:30 AM EST 20 February 2024
Today Tonight and Wednesday. Waves 0.5 to 1 metre building to 1 to 1.5 near noon then subsiding to 0.5 to 1 late overnight. Waves subsiding to 0.5 or less Wednesday evening.

Extended Forecast

Issued 03:00 AM EST 20 February 2024
Thursday Wind light increasing to northwest 20 knots late in the day.
Friday Wind north 30 knots diminishing to northwest 15 late in the day.
Saturday Wind southwest 15 knots increasing to southwest 20 late in the day.

Ice Forecast*

Issued 12:00 PM EST 20 February 2024 Today Tonight and Wednesday Open water except 5 tenths new ice along parts of the shores.

*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 EST 20 February 2024 Today Tonight and Wednesday

Ice Coverage

Open water except 5 tenths new ice along parts of the shores.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 20 February 2024 Today Tonight and Wednesday At 10:30 a.m. EST today departing ridge from 1032 mb high located
on a line northwest-southeast over the Ontario - Quebec border.

At 10:30 a.m. EST today low 1014 mb located over central Manitoba.
By 10:30 a.m. EST Wednesday low 1010 mb located northeast of
Lake Superior.

Great Lakes - Lake Superior Area

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