Eastern Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EDT 25 June 2017

Today Tonight and Monday.

Wind northwest 10 knots increasing to northeast 15 this evening then diminishing to northeast 10 late overnight. Wind becoming light early Monday morning then becoming west 10 near noon Monday. Wind increasing to southwest 15 Monday evening.

Chance of showers today.

Waves

Issued 10:30 AM EDT 25 June 2017
Today Tonight and Monday. Waves one half metre subsiding to less than one half metre early Monday morning then building to one Monday afternoon.

Extended Forecast

Issued 03:00 AM EDT 25 June 2017
Tuesday Wind light becoming southwest 15 knots in the afternoon.
Wednesday Wind southwest 15 knots backing to southeast 15.
Thursday Wind east 25 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 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 25 June 2017 Today Tonight and Monday At 10:30 a.m. EDT today departing low 984 mb located east of
Labrador.

At 10:30 a.m. EDT today quasi-stationary trough located on a line
east-west over North Channel.

At 10:30 a.m. EDT today ridge located on a line northwest-southeast
over Saskatchewan.
By 10:30 a.m. EDT Monday ridge located on a line northwest-southeast
over North Dakota.

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