Eastern Lake Superior, Canada Marine Forecast, Warnings and Alerts

Canada

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Current Conditions

Canada 7 Day High and Low Temperatures Forecast

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Lightning Danger Radar

Lightning Strikes Radar

Eastern Lake Superior

Marine Forecast

Issued 10:30 AM EDT 15 May 2026

Today Tonight and Saturday.

Strong wind warning in effect.

Wind south 20 knots increasing to south 25 this afternoon then veering to southwest 20 near midnight. Wind diminishing to southwest 15 early Saturday morning then veering to west 15 near noon Saturday. Wind veering to northwest 15 Saturday evening.

Showers and occasional fog patches ending near noon with a risk of thunderstorms. Scattered showers and fog patches overnight and Saturday morning.

Winds

Issued 10:30 AM EDT 15 May 2026

Today Tonight and Saturday. Strong wind warning in effect. Wind south 20 knots increasing to south 25 this afternoon then veering to southwest 20 near midnight. Wind diminishing to southwest 15 early Saturday morning then veering to west 15 near noon Saturday. Wind veering to northwest 15 Saturday evening.

Waves

Issued 10:30 AM EDT 15 May 2026

Today Tonight and Saturday. Waves 1.5 metres building to 2 early this evening then subsiding to 1.5 late overnight. Waves subsiding to 1 Saturday morning.

Weather & Visibility

Issued 10:30 AM EDT 15 May 2026

Today Tonight and Saturday. Showers and occasional fog patches ending near noon with a risk of thunderstorms. Scattered showers and fog patches overnight and Saturday morning.

Ice Forecasts

Issued 12:00 PM EDT 15 May 2026 Today Tonight and Saturday

Ice Coverage

Ice free.

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Superior

Issued 10:30 AM EDT 15 May 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 or Weatheradio stations.

Technical Marine Synopsis

Issued 10:30 AM EDT 15 May 2026 Today Tonight and Saturday At 10:30 a.m. EDT today ridge located on a line northeast-southwest
over Lake Erie.
By 10:30 a.m. EDT Saturday departing ridge located on a line
northeast-southwest over the Eastern Seaboard.

At 10:30 a.m. EDT today low 982 mb located over central Manitoba.
By 10:30 a.m. EDT Saturday departing low 986 mb located over
northern Ontario.

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