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Eastern Lake Superior

Forecast

Marine Forecast

Issued 03:00 AM EST 16 December 2019

Today Tonight and Tuesday.

Wind southwest 25 knots veering to northwest 20 this morning then diminishing to northwest 15 early this evening. Wind increasing to northwest 20 Tuesday morning and to northwest 25 Tuesday afternoon.

Flurries. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray beginning Tuesday morning.

Waves

Issued 03:00 AM EST 16 December 2019
Today Tonight and Tuesday. Waves 2 metres subsiding to one this evening then building to 2 Tuesday morning.

Extended Forecast

Issued 03:00 AM EST 16 December 2019
Wednesday Wind northwest 25 knots diminishing to light late in the day.
Thursday Wind light increasing to southeast 20 knots.
Friday Wind southeast 25 knots.

Ice Forecast*

Issued 12:00 PM EST 15 December 2019 Today Tonight and Monday Open water except 2 tenths new lake ice along parts of the shore in the southeastern section.

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

 

[ Canadian Ice Service ]

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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 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 15 December 2019 Today Tonight and Monday

Ice Coverage

Open water except 2 tenths new lake ice along parts of the shore in
the southeastern section.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Eastern Lake Superior

Issued 03:00 AM EST 16 December 2019

Moderate or severe freezing spray is occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 16 December 2019 Today Tonight and Tuesday At 3:00 a.m. EST today quasi-stationary ridge located on a line
east-west over Lower Michigan.

At 3:00 a.m. EST today trough located on a line northeast-southwest
over Arkansas.
By 3:00 a.m. EST Tuesday trough located on a line
northeast-southwest over Tennessee.

At 3:00 a.m. EST today weakening trough located on a line
north-south over northwestern Ontario.
By 3:00 a.m. EST Tuesday trough located on a line
northeast-southwest over southwestern Quebec.

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