Eastern Lake Superior, Canada Marine Forecast, Warnings and Alerts

Canada

N.America Satellite

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Current Conditions

Canada 7 Day High and Low Temperatures Forecast

10 Day Forecast

Lightning Danger Radar

Lightning Strikes Radar

Eastern Lake Superior

Marine Forecast

Issued 06:30 PM EST 05 December 2025

Tonight and Saturday.

Wind southwest 20 knots veering to northwest 25 near midnight then diminishing to northwest 15 Saturday afternoon.

Flurries. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray Saturday morning. Risk of freezing spray Saturday afternoon.

Winds

Issued 06:30 PM EST 05 December 2025

Tonight and Saturday. Wind southwest 20 knots veering to northwest 25 near midnight then diminishing to northwest 15 Saturday afternoon.

Waves

Issued 06:30 PM EST 05 December 2025

Tonight and Saturday. Waves 1 to 1.5 metres building to 2 late overnight then subsiding to 1.5 near noon Saturday. Waves subsiding to 1 Saturday evening.

Weather & Visibility

Issued 06:30 PM EST 05 December 2025

Tonight and Saturday. Flurries. Visibility 1 mile or less in flurries.

Freezing Spray

Issued 06:30 PM EST 05 December 2025

Tonight and Saturday. Freezing spray warning in effect. Freezing spray Saturday morning. Risk of freezing spray Saturday afternoon.

Ice Forecasts

Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.

Warnings (In effect)

Freezing spray warning in effect

Eastern Lake Superior

Issued 6:30 PM EST 05 December 2025

Moderate or severe freezing spray is 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.

Technical Marine Synopsis

Issued 6:30 PM EST 5 December 2025 Tonight and Saturday At 6:30 p.m. EST tonight ridge located on a line north-south over
eastern Quebec.
By 6:30 p.m. EST Saturday departing ridge located on a line
north-south over Labrador.

At 6:30 p.m. EST tonight cold front located on a line
northeast-southwest over northern Ontario.
By 6:30 p.m. EST Saturday cold front located on a line
northeast-southwest over Lake Huron.

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