Eastern Lake Superior

Forecast

Marine Forecast

Issued 03:00 AM EDT 22 March 2019

Today Tonight and Saturday.

Wind north 30 knots diminishing to north 20 early this morning then backing to northwest 15 this afternoon. Wind diminishing to northwest 10 this evening then increasing to southwest 15 overnight. Wind increasing to southwest 20 Saturday morning and to southwest 25 Saturday afternoon.

Flurries ending early this morning.

Waves

Issued 03:00 AM EDT 22 March 2019
Today Tonight and Saturday. Mainly ice covered.

Extended Forecast

Issued 03:00 AM EDT 22 March 2019
Sunday Wind west 20 knots increasing to northeast 25 in the morning then diminishing to north 15 late in the day.
Monday Wind north 15 knots backing to west 20.
Tuesday Wind light.

Ice Forecast*

Issued 12:00 PM EDT 21 March 2019 Today Tonight and Friday 8 tenths medium lake ice including 2 tenths thick lake ice except 9 plus tenths thick lake ice in the eastern sections. Consolidated thick lake ice along parts of the shores.

*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 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 EDT 21 March 2019 Today Tonight and Friday

Ice Coverage

8 tenths medium lake ice including 2 tenths thick lake ice except 9
plus tenths thick lake ice in the eastern sections. Consolidated
thick lake ice along parts of the shores.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 22 March 2019 Today Tonight and Saturday At 3:00 a.m. EDT today low 995 mb located southeast of Pennsylvania.
By 3:00 a.m. EDT Saturday low 979 mb located over Maine.

At 3:00 a.m. EDT today weakening trough located on a line
northeast-southwest over Georgian Bay.

At 3:00 a.m. EDT today ridge located on a line north-south over
Manitoba.
By 3:00 a.m. EDT Saturday ridge located on a line
northeast-southwest over eastern Lake Superior.

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