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Eastern Lake Superior

Forecast

Marine Forecast

Issued 03:00 AM EDT 19 March 2024

Today Tonight and Wednesday.

Gale warning in effect.

Wind southwest 20 knots veering to northwest 15 this morning then increasing to northwest 25 this afternoon. Wind increasing to northwest 35 this evening then diminishing to northwest 30 Wednesday morning. Wind diminishing to northwest 15 Wednesday evening.

Snow changing to scattered flurries this afternoon. Visibility 1 mile or less in precipitation.

Freezing spray warning in effect.

Freezing spray beginning overnight and ending Wednesday evening.

Waves

Issued 03:00 AM EDT 19 March 2024
Today Tonight and Wednesday. Waves 1.5 metres building to 2 to 3 early this evening and to 3 to 4 near midnight. Waves subsiding to 2 to 3 Wednesday morning and to 1.5 Wednesday evening.

Extended Forecast

Issued 03:00 AM EDT 19 March 2024
Thursday Wind northwest 15 knots diminishing to light in the morning.
Friday Wind light increasing to south 20 knots.
Saturday Wind northwest 20 knots.

Ice Forecast*

Issued 12:00 PM EDT 18 March 2024 Today Tonight and Tuesday Open water.

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

 

[ Canadian Ice Service ]

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Weather Conditions

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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 Kenora Airport 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
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 18 March 2024 Today Tonight and Tuesday

Ice Coverage

Open water.

Warnings

Warnings (In effect)

Gale warning in effect

Eastern Lake Superior

Issued 03:00 AM EDT 19 March 2024

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Freezing spray warning in effect

Eastern Lake Superior

Issued 03:00 AM EDT 19 March 2024

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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 19 March 2024 Today Tonight and Wednesday At 3:00 a.m. EDT today departing ridge located on a line
northeast-southwest over Lake Erie.

At 3:00 a.m. EDT today low 998 mb located over northern Ontario.
By 3:00 a.m. EDT Wednesday low 995 mb located over the Ontario -
Manitoba border.

Great Lakes - Lake Superior Area

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