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Eastern Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EDT 10 May 2024

Today Tonight and Saturday.

Wind light becoming northwest 10 knots late overnight then backing to west 10 near noon Saturday. Wind becoming light Saturday evening.

Waves

Issued 10:30 AM EDT 10 May 2024
Today Tonight and Saturday. Waves 0.5 metres or less.

Extended Forecast

Issued 03:00 AM EDT 10 May 2024
Sunday Wind light increasing to south 20 knots in the morning then diminishing to light late in the day.
Monday Wind north 15 knots.
Tuesday Wind light.

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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 10 May 2024 Today Tonight and Saturday At 10:30 a.m. EDT today ridge located on a line northeast-southwest
over Lake Superior.
By 10:30 a.m. EDT Saturday weakening ridge located on a line
northeast-southwest over the Eastern Seaboard.

At 10:30 a.m. EDT today trough located on a line northeast-southwest
over northwestern Ontario.
By 10:30 a.m. EDT Saturday trough located on a line
northeast-southwest over Lake Huron.

By 10:30 a.m. EDT Saturday approaching low 1000 mb located over
Michigan.

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