Eastern Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EST 21 January 2017

Today Tonight and Sunday

Wind southeast 15 knots diminishing to southeast 10 Sunday evening.

Chance of drizzle changing to periods of rain or periods of drizzle this evening. Fog patches.

Waves

Issued 10:30 AM EST 21 January 2017
Today Tonight and Sunday Waves less than one half metre building to one near noon.

Extended Forecast

Issued 03:00 AM EST 21 January 2017
Monday Wind light.
Tuesday Wind light.
Wednesday Wind light becoming north 15 knots.

Ice Forecast*

Issued 12:00 PM EST 21 January 2017 Today Tonight and Sunday Open water except 6 tenths of thin lake ice along parts of the southern shore. Consolidated thick lake ice in Black Bay, Chequamegon 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 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 Kenora Airport
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 21 January 2017 Today Tonight and Sunday

Ice Coverage

Open water except 6 tenths of thin lake ice along parts of the
southern shore. Consolidated thick lake ice in Black Bay,
Chequamegon Bay, and Nipigon Bay.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 21 January 2017 Today Tonight and Sunday At 10:30 a.m. EST today low 996 mb located over eastern South
Dakota.
By 10:30 a.m. EST Sunday dissipating low 1005 mb located over
Lake Superior.

At 10:30 a.m. EST today departing ridge located on a line
northeast-southwest over the Maritimes.

At 10:30 a.m. EST today dissipating trough located on a line
east-west over northeastern Ontario.

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