Western Lake Superior

Forecast

Marine Forecast

Issued 03:00 AM EST 19 January 2017

Today Tonight and Friday

Wind light becoming south 10 knots early this morning then increasing to southwest 15 near midnight. Wind diminishing to light Friday morning then becoming southeast 10 Friday evening.

A few showers beginning Friday evening.

Waves

Issued 03:00 AM EST 19 January 2017
Today Tonight and Friday Waves one half metre or less building to one overnight then subsiding to one half metre Friday morning. Waves subsiding to less than one half metre near noon Friday then building to one half metre Friday evening.

Extended Forecast

Issued 03:00 AM EST 19 January 2017
Saturday Wind light becoming southeast 15 knots in the afternoon.
Sunday Wind southeast 15 knots.
Monday Wind southeast 15 knots.

Ice Forecast*

Issued 12:00 PM EST 18 January 2017 Today Tonight and Thursday Open water except 8 tenths of thin lake ice along parts of the shore. Consolidated medium lake ice including 2 tenths of 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 18 January 2017 Today Tonight and Thursday

Ice Coverage

Open water except 8 tenths of thin lake ice along parts of the
shore. Consolidated medium lake ice including 2 tenths of 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 19 January 2017 Today Tonight and Friday At 3:00 a.m. EST today departing trough located on a line
north-south over eastern Ontario.

At 3:00 a.m. EST today ridge located from Ohio to Lake Huron.
By 3:00 a.m. EST Friday ridge located east of Lake Ontario.

By 3:00 a.m. EST Friday low 1002 mb located over Indiana.

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