Western Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EST 17 January 2019

Today Tonight and Friday.

Wind northwest 10 knots increasing to northwest 15 near noon and to northwest 20 early this evening. Wind veering to north 20 early Friday morning then diminishing to north 15 Friday evening.

Flurries ending early Friday morning. Visibility as low as 1 mile in flurries.

Waves

Issued 10:30 AM EST 17 January 2019
Today Tonight and Friday. Waves one half to one metre.

Extended Forecast

Issued 03:00 AM EST 17 January 2019
Saturday Wind north 15 knots diminishing to light in the morning then increasing to north 20 late in the day.
Sunday Wind northeast 20 knots diminishing to light.
Monday Wind southeast 15 knots increasing to south 25.

Ice Forecast*

Issued 12:00 PM EST 16 January 2019 Today Tonight and Thursday Open water except 2 tenths thin lake ice along parts of the shore. 9 plus tenths thick lake ice in Black Bay and 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 EST 16 January 2019 Today Tonight and Thursday

Ice Coverage

Open water except 2 tenths thin lake ice along parts of the shore. 9
plus tenths thick lake ice in Black Bay and Nipigon Bay.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 17 January 2019 Today Tonight and Friday At 10:30 a.m. EST today ridge located on a line north-south over
southeastern Ontario.
By 10:30 a.m. EST Friday ridge located on a line north-south over
the Gulf of St. Lawrence.

At 10:30 a.m. EST today trough located from Lake Superior to
Oklahoma.
By 10:30 a.m. EST Friday trough located on a line
northeast-southwest over southern Ontario.

At 10:30 a.m. EST today ridge located on a line northwest-southeast
over Saskatchewan.
By 10:30 a.m. EST Friday ridge located on a line northwest-southeast
over Manitoba.

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