Western Lake Superior

Forecast

Marine Forecast

Issued 06:30 PM EDT 01 August 2015

Tonight and Sunday

Wind southwest 15 knots diminishing to light this evening then becoming southwest 15 near noon Sunday.

Chance of showers tonight and Sunday.

Waves

Issued 06:30 PM EDT 01 August 2015
Tonight and Sunday Waves one metre subsiding to less than one half metre near midnight then building to one Sunday afternoon.

Extended Forecast

Issued 06:30 PM EDT 01 August 2015
Monday Wind northwest 15 knots diminishing to light in the afternoon.
Tuesday Wind light.
Wednesday Wind light.

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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 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 EDT 1 June 2015 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 1 August 2015 Tonight and Sunday At 6:30 p.m. EDT tonight quasi-stationary low 991 mb located over
Hudson Bay.

At 6:30 p.m. EDT tonight ridge located on a line east-west over
Kentucky.
By 6:30 p.m. EDT Sunday ridge located on a line east-west over
Tennessee.

At 6:30 p.m. EDT tonight trough located on a line
northeast-southwest over southern Manitoba.
By 6:30 p.m. EDT Sunday trough located on a line northeast-southwest
over North Channel.

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