Eastern Lake Superior

Forecast

Marine Forecast

Issued 06:30 PM EDT 04 July 2015

Tonight and Sunday

Strong wind warning in effect.

Wind light becoming southeast 10 knots near midnight then increasing to south 20 Sunday evening.

Fog patches dissipating late overnight.

Waves

Issued 06:30 PM EDT 04 July 2015
Tonight and Sunday Waves less than one half metre building to one half metre or less late overnight and to one and one half metres Sunday evening.

Extended Forecast

Issued 06:30 PM EDT 04 July 2015
Monday Wind south 20 knots diminishing to variable 15 in the morning then increasing to north 20 late in the day.
Tuesday Wind north 20 knots.
Wednesday Wind southwest 15 knots backing to southeast 15 late in the day.

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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

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Superior

Issued 6:30 PM EDT 04 July 2015

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 6:30 PM EDT 4 July 2015 Tonight and Sunday At 6:30 p.m. EDT tonight departing ridge located from New York
State to Indiana.

At 6:30 p.m. EDT tonight trough located on a line
northeast-southwest over northern Lake Huron.
By 6:30 p.m. EDT Sunday trough located on a line northeast-southwest
over the St. Lawrence River.

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

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