Western Lake Superior

Forecast

Marine Forecast

Issued 06:30 PM EDT 28 May 2016

Tonight and Sunday

Wind northeast 10 knots becoming light near midnight then becoming southwest 10 near noon Sunday. Wind increasing to southwest 15 Sunday evening.

Chance of showers tonight and Sunday with a risk of thunderstorms. Fog patches dissipating near noon Sunday.

Waves

Issued 06:30 PM EDT 28 May 2016
Tonight and Sunday Waves one half metre subsiding to less than one half metre near midnight then building to one half to one metre Sunday afternoon.

Extended Forecast

Issued 06:30 PM EDT 28 May 2016
Monday Wind west 15 knots diminishing to light late in the day.
Tuesday Wind light becoming east 15 knots late in the day.
Wednesday Wind southeast 20 knots.

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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 7 May 2016 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 28 May 2016 Tonight and Sunday At 6:30 p.m. EDT tonight low 1006 mb located over Minnesota.
By 6:30 p.m. EDT Monday low 1007 mb located over northern Ontario.

At 6:30 p.m. EDT tonight trough from low located on a line
northeast-southwest over Lake Superior.
By 6:30 p.m. EDT Sunday trough from low located on a line
northeast-southwest over northwestern Ontario.

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