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Eastern Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EDT 29 April 2024

Today Tonight and Tuesday.

Wind east 25 knots veering to southeast 20 near midnight then to southwest 15 early Tuesday morning. Wind veering to west 15 near noon Tuesday then diminishing to variable 10 Tuesday evening.

Scattered showers ending Tuesday afternoon. Fog patches forming this evening and dissipating Tuesday morning.

Waves

Issued 10:30 AM EDT 29 April 2024
Today Tonight and Tuesday. Waves 2 to 3 metres subsiding to 1 to 1.5 late overnight and to 0.5 to 1 Tuesday morning. Waves subsiding to 0.5 or less Tuesday evening.

Extended Forecast

Issued 03:00 AM EDT 29 April 2024
Wednesday Wind light increasing to southwest 25 knots in the afternoon.
Thursday Wind light becoming east 15 knots late in the day.
Friday Wind east 20 knots becoming southwest 20 late in the day.

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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 27 April 2024 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 29 April 2024 Today Tonight and Tuesday At 10:30 a.m. EDT today high 1034 mb located over eastern Hudson
Bay.
By 10:30 a.m. EDT Tuesday departing high 1036 mb located over
northern Quebec.

At 10:30 a.m. EDT today low 1006 mb located over southern Minnesota.
By 10:30 a.m. EDT Tuesday low 1004 mb located over eastern Lake
Superior.

Great Lakes - Lake Superior Area

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