Western 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

Western Lake Superior

Marine Forecast

Issued 10:30 AM EDT 13 September 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind northwest 15 knots diminishing to northwest 10 near midnight then backing to southwest 10 early Monday morning. Wind increasing to south 15 near noon Monday and to south 20 Monday evening.

Scattered showers ending this evening. Periods of rain Monday evening.

Winds

Issued 10:30 AM EDT 13 September 2026

Today Tonight and Monday. Strong wind warning in effect. Wind northwest 15 knots diminishing to northwest 10 near midnight then backing to southwest 10 early Monday morning. Wind increasing to south 15 near noon Monday and to south 20 Monday evening.

Waves

Issued 10:30 AM EDT 13 September 2026

Today Tonight and Monday. Waves 1 to 1.5 metres subsiding to 0.5 to 1 near noon and to 0.5 or less late overnight. Waves building to 0.5 to 1 Monday afternoon and to 1 to 1.5 Monday evening.

Weather & Visibility

Issued 10:30 AM EDT 13 September 2026

Today Tonight and Monday. Scattered showers ending this evening. Periods of rain Monday evening.

Ice Forecasts

Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.

Warnings (In effect)

Strong wind warning in effect

Western Lake Superior

Issued 10:30 AM EDT 13 September 2026

'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.

Technical Marine Synopsis

Issued 10:30 AM EDT 13 September 2026 Today Tonight and Monday At 10:30 a.m. EDT today departing cold front from 988 mb low
located on a line northeast-southwest over Lake Simcoe.

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

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