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Eastern Lake Superior

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 01 February 2023

Today Tonight and Thursday.

Wind west 20 knots backing to southwest 20 near midnight then increasing to northwest 30 early Thursday morning.

Flurries. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Risk of freezing spray today tonight and early Thursday morning. Freezing spray beginning late Thursday morning.

Waves

Issued 10:30 AM EST 01 February 2023
Today Tonight and Thursday. Waves 1.5 metres building to 2 to 3 Thursday morning.

Extended Forecast

Issued 03:00 AM EST 01 February 2023
Friday Wind northwest 25 knots diminishing to west 15 late in the day.
Saturday Wind south 25 knots diminishing to southwest 15 late in the day.
Sunday Wind northwest 20 knots.

Ice Forecast*

Issued 12:00 PM EST 31 January 2023 Today Tonight and Wednesday Open water except 2 tenths new lake ice along parts of the southern shore.

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

 

[ Canadian Ice Service ]

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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 EST 31 January 2023 Today Tonight and Wednesday

Ice Coverage

Open water except 2 tenths new lake ice along parts of the southern
shore.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Eastern Lake Superior

Issued 10:30 AM EST 01 February 2023

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 10:30 AM EST 1 February 2023 Today Tonight and Thursday At 10:30 a.m. EST today ridge located on a line northeast-southwest
over New York State.
By 10:30 a.m. EST Thursday ridge located on a line east-west
over Virginia.

At 10:30 a.m. EST today dissipating trough located on a line
northeast-southwest over eastern Lake Superior.

By 10:30 a.m. EST Thursday approaching cold front located on a
line northeast-southwest over northeastern Ontario.

By 10:30 a.m. EST Thursday approaching low 1006 mb located over
northeastern Ontario.

Great Lakes - Lake Superior Area

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Marine Weather for Canada

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