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Eastern Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EST 17 January 2020

Today Tonight and Saturday.

Wind southeast 10 knots increasing to south 20 this afternoon then backing to southeast 25 near midnight. Wind increasing to southeast 30 late overnight then diminishing to southeast 20 near noon Saturday. Wind backing to northeast 15 Saturday evening.

Flurries this afternoon. Snow overnight and Saturday. Visibility 1 mile or less in precipitation.

Waves

Issued 10:30 AM EST 17 January 2020
Today Tonight and Saturday. Waves one half metre or less building to 2 early this evening and to 3 early Saturday morning. Waves subsiding to 2 Saturday afternoon and to one Saturday evening.

Extended Forecast

Issued 03:00 AM EST 17 January 2020
Sunday Wind north 25 knots.
Monday Wind north 20 knots.
Tuesday Wind northwest 20 knots increasing to west 30.

Ice Forecast*

Issued 12:00 PM EST 17 January 2020 Today Tonight and Saturday Open water except 8 tenths new lake ice along parts of shore.

*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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land station Land Station
Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EST 17 January 2020 Today Tonight and Saturday

Ice Coverage

Open water except 8 tenths new lake ice along parts of shore.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 17 January 2020 Today Tonight and Saturday At 10:30 a.m. EST today ridge located on a line north-south over
Georgian Bay.
By 10:30 a.m. EST Saturday ridge located on a line north-south
over central Quebec.

By 10:30 a.m. EST Saturday approaching low 1006 mb located over
southern Wisconsin.

By 10:30 a.m. EST Saturday approaching trough from low located on
a line northwest-southeast over western Lake Superior.

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