Western Lake Superior

Forecast

Marine Forecast

Issued 06:30 PM EDT 29 August 2016

Tonight and Tuesday

Wind southwest 10 knots increasing to northwest 15 late overnight.

Chance of showers this evening with a risk of thunderstorms. Fog patches forming near midnight and dissipating Tuesday morning.

Waves

Issued 06:30 PM EDT 29 August 2016
Tonight and Tuesday Waves one half metre.

Extended Forecast

Issued 06:30 PM EDT 29 August 2016
Wednesday Wind northwest 15 knots.
Thursday Wind northeast 15 knots diminishing to light.
Friday Wind light.

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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 29 August 2016 Tonight and Tuesday At 6:30 p.m. EDT tonight ridge located on a line northeast-southwest
over Lake Simcoe.
By 6:30 p.m. EDT Tuesday ridge located on a line north-south
over Quebec.

At 6:30 p.m. EDT tonight trough located on a line north-south over
Lake Nipigon.
By 6:30 p.m. EDT Tuesday trough located on a line
northeast-southwest over southern Lake Huron.

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