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Western Lake Superior

Forecast

Marine Forecast

Issued 06:30 PM EST 02 March 2024

Tonight and Sunday.

Gale warning in effect.

Wind southeast 10 knots increasing to east 15 this evening and to east 20 near midnight. Wind veering to southeast 25 early Sunday morning then increasing to southeast 35 Sunday evening.

Scattered showers this evening and Sunday.

Waves

Issued 06:30 PM EST 02 March 2024
Tonight and Sunday. Waves 0.5 metres or less building to 0.5 to 1 near midnight and to 1 to 1.5 late overnight. Waves building to 2 late Sunday morning and to 3 to 4 Sunday evening.

Extended Forecast

Issued 06:30 PM EST 02 March 2024
Monday Wind southeast 35 knots diminishing to southwest 20 in the morning.
Tuesday Wind northwest 15 knots.
Wednesday Wind light becoming east 15 knots.

Ice Forecast*

Issued 12:00 PM EST 2 March 2024 Today Tonight and Sunday Open water except 5 tenths new lake ice along parts of the shore. Consolidated thick lake ice in Black Bay and Nipigon Bay. Consolidated medium lake ice in eastern Thunder Bay and Chequamegon Bay.

*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 2 March 2024 Today Tonight and Sunday

Ice Coverage

Open water except 5 tenths new lake ice along parts of the shore.
Consolidated thick lake ice in Black Bay and Nipigon Bay.
Consolidated medium lake ice in eastern Thunder Bay and Chequamegon
Bay.

Warnings

Warnings (In effect)

Gale warning in effect

Western Lake Superior

Issued 6:30 PM EST 02 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.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EST 2 March 2024 Tonight and Sunday At 6:30 p.m. EST tonight low 1017 mb located over Pennsylvania.
By 6:30 p.m. EST Sunday low 1018 mb located south of Nova Scotia.

At 6:30 p.m. EST tonight ridge located on a line northwest-southeast
over northern Ontario.
By 6:30 p.m. EST Sunday ridge located on a line east-west over
Hudson Bay.

At 6:30 p.m. EST tonight low 992 mb located over Wyoming.
By 6:30 p.m. EST Sunday approaching low 991 mb located over
southeastern Manitoba.

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