Eastern Lake Superior

Forecast

Marine Forecast

Issued 08:14 PM EST 21 November 2017

Tonight and Wednesday.

Strong wind warning in effect.

Wind northwest 25 knots diminishing to northwest 15 Wednesday morning then backing to west 15 near noon Wednesday. Wind increasing to west 20 Wednesday afternoon and to west 25 Wednesday evening.

A few flurries.

Risk of freezing spray tonight.

Waves

Issued 08:14 PM EST 21 November 2017
Tonight and Wednesday. Waves 3 metres subsiding to 2 late this evening and to one near noon Wednesday. Waves building to 2 early Wednesday evening.

Extended Forecast

Issued 06:30 PM EST 21 November 2017
Thursday Wind southwest 25 knots veering to northwest 25 in the afternoon then diminishing to northwest 15 late in the day.
Friday Wind south 15 knots increasing to southwest 30.
Saturday Wind northwest 35 knots diminishing to north 25.

Ice Forecast*

Issued 12:00 PM EST 21 November 2017 Today Tonight and Wednesday Ice free.

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

 

[ Canadian Ice Service ]

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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 21 November 2017 Today Tonight and Wednesday

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Superior

Issued 8:14 PM EST 21 November 2017

'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 EST 21 November 2017 Tonight and Wednesday At 6:30 p.m. EST tonight departing low 990 mb located east of
James Bay.

At 6:30 p.m. EST tonight departing cold front from low located on
a line northeast-southwest over southern Ontario.

At 6:30 p.m. EST tonight ridge located on a line northwest-southeast
over northern North Dakota.
By 6:30 p.m. EST Wednesday ridge located on a line
northeast-southwest over southern Ontario.

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