Eastern Lake Superior
Forecast
Marine Forecast
Issued 10:30 AM EDT 20 August 2017
Today Tonight and Monday.
Wind southwest 10 knots increasing to south 15 this afternoon then diminishing to southwest 10 this evening. Wind veering to northwest 10 early Monday morning then becoming light near noon Monday.
A few showers beginning early this evening and ending late overnight with a risk of thunderstorms. Fog patches dissipating near noon. Fog patches forming near midnight and dissipating Monday afternoon.
Waves
Issued 10:30 AM EDT 20 August 2017
Today Tonight and Monday.
Waves one half metre or less building to one early this evening
then subsiding to one half metre or less near midnight.
Extended Forecast
Issued 03:00 AM EDT 20 August 2017
Tuesday
Wind northeast 15 knots increasing to
northwest 25 late in the day.
Wednesday
Wind northwest 25 knots diminishing to north
15.
Thursday
Wind light.
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Land Station Ice Conditions
*Ice Forecast and Warnings also apply to U.S. waters
Ice Forecasts
Issued 12:00 PM EDT 27 April 2017 Forecasts have ended for the season.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EDT 20 August 2017 Today Tonight and Monday At 10:30 a.m. EDT today ridge located on a line north-south overLake Ontario.
By 10:30 a.m. EDT Monday ridge located on a line north-south
over Maine.
At 10:30 a.m. EDT today trough located on a line north-south over
northwestern Ontario.
By 10:30 a.m. EDT Monday trough located on a line
northeast-southwest over Sault Ste. Marie.
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