Eastern Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EST 14 November 2018

Today Tonight and Thursday.

Gale warning in effect.

Wind variable 10 knots becoming south 10 this afternoon then increasing to south 20 early this evening. Wind increasing to south 35 late overnight then diminishing to southwest 25 Thursday morning. Wind backing to south 20 Thursday evening.

Flurries ending this afternoon. Flurries or showers beginning Thursday morning. Visibility 1 mile or less in flurries.

Waves

Issued 10:30 AM EST 14 November 2018
Today Tonight and Thursday. Waves one metre subsiding to less than one half metre this afternoon then building to 2 this evening. Waves building to 3 early Thursday morning then subsiding to 2 Thursday afternoon.

Extended Forecast

Issued 03:00 AM EST 14 November 2018
Friday Wind light increasing to northeast 20 knots in the morning.
Saturday Wind north 15 knots backing to west 15.
Sunday Wind west 20 knots.

Ice Forecast*

Issued 12:00 PM EDT 6 July 2018 Forecasts available to mariners upon request.

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

 

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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 6 July 2018

Ice Coverage

Forecasts available to mariners upon request.

Warnings

Warnings (In effect)

Gale warning in effect

Eastern Lake Superior

Issued 10:30 AM EST 14 November 2018

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 10:30 AM EST 14 November 2018 Today Tonight and Thursday At 10:30 a.m. EST today high 1036 mb located over Lake Michigan.
By 10:30 a.m. EST Thursday high 1037 mb located over Maine.

At 10:30 a.m. EST today low 1004 mb located over northern
Saskatchewan.
By 10:30 a.m. EST Thursday low 1008 mb located over northern
Ontario.

At 10:30 a.m. EST Thursday approaching low 1018 mb located over
Kentucky.

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