Eastern Lake Superior

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 19 July 2018

Tonight and Friday.

Strong wind warning in effect.

Wind southeast 10 knots increasing to southeast 15 this evening then backing to northeast 15 near noon Friday. Wind increasing to northeast 20 Friday evening.

Chance of showers Friday afternoon and evening with a risk of thunderstorms. Fog patches dissipating this evening.

Waves

Issued 06:30 PM EDT 19 July 2018
Tonight and Friday. Waves one metre subsiding to one half metre Friday afternoon then building to one Friday evening.

Extended Forecast

Issued 06:30 PM EDT 19 July 2018
Saturday Wind northeast 15 knots increasing to northeast 20 in the morning.
Sunday Wind northeast 20 knots.
Monday Wind northeast 15 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EDT 6 July 2018 Forecasts available to mariners upon request.

*Ice Forecast and Warnings also apply to U.S. waters

 

[ Canadian Ice Service ]

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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 Kenora Airport 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
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Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EDT 6 July 2018

Ice Coverage

Forecasts available to mariners upon request.

Warnings

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Superior

Issued 6:30 PM EDT 19 July 2018

'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 19 July 2018 Tonight and Friday At 6:30 p.m. EDT tonight departing high 1019 mb located southeast
of New York State.

At 6:30 p.m. EDT tonight trough located on a line east-west over
northern Ontario.
By 6:30 p.m. EDT Friday trough located on a line northeast-southwest
over northern Ontario.

At 6:30 p.m. EDT tonight low 1001 mb located over southern
Minnesota.
By 6:30 p.m. EDT Friday low 1001 mb located over Lake Michigan.

Great Lakes - Lake Superior Area

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