Eastern Lake Superior

Forecast

Marine Forecast

Issued 03:00 AM EST 22 January 2017

Today Tonight and Monday

Wind southeast 20 knots diminishing to southeast 15 this morning and to southeast 10 this afternoon.

Periods of rain or periods of drizzle and fog patches.

Waves

Issued 03:00 AM EST 22 January 2017
Today Tonight and Monday Waves one metre subsiding to one half metre early this evening.

Extended Forecast

Issued 03:00 AM EST 22 January 2017
Tuesday Wind light.
Wednesday Wind north 15 knots.
Thursday Wind northwest 20 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 3:00 AM EST 22 January 2017 Today Tonight and Monday At 3:00 a.m. EST today ridge from 1028 mb high located on a line
north-south over western Quebec.
By 3:00 a.m. EST Monday high 1032 mb located over central Quebec.

At 3:00 a.m. EST today quasi-stationary trough located on a line
northwest-southeast over Lake Superior.

At 3:00 a.m. EST today low 993 mb located over eastern Oklahoma.
By 3:00 a.m. EST Monday low 984 mb located over North Carolina.

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