Eastern Lake Superior

Forecast

Marine Forecast

Issued 03:00 AM EST 19 December 2014

Today Tonight and Saturday

Wind light becoming south 10 knots Saturday morning.

Waves

Issued 03:00 AM EST 19 December 2014
Today Tonight and Saturday Waves less than one half metre building to one half metre Saturday morning.

Extended Forecast

Issued 03:00 AM EST 19 December 2014
Sunday Wind south 15 knots.
Monday Wind south 15 knots increasing to south 20.
Tuesday Wind southeast 20 knots.

Ice Forecast*

Issued 12:00 PM EST 18 December 2014 Today Tonight and Friday Open water.

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

 

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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 Royal Island Armstrong Cameron Falls Caribou Island Geraldton Airport 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 Forecasts

Issued 12:00 PM EST 18 December 2014 Today Tonight and Friday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 19 December 2014 Today Tonight and Saturday At 3:00 a.m. EST today dissipating trough located on a line
east-west over Lake St. Clair.

At 3:00 a.m. EST today ridge located on a line northeast-southwest
over central Lake Superior.
By 3:00 a.m. EST Saturday ridge located on a line
northeast-southwest over northern Lake Huron.

At 3:00 a.m. EST today trough located on a line northwest-southeast
over Montana.
By 3:00 a.m. EST Saturday trough located on a line
northwest-southeast over South Dakota.

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