Western Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EDT 25 May 2018

Today Tonight and Saturday.

Wind southeast 15 knots diminishing to light near midnight then becoming northeast 10 early Saturday morning. Wind increasing to east 15 Saturday afternoon.

Chance of showers late this afternoon and this evening with a risk of thunderstorms. Fog patches dissipating Saturday morning.

Waves

Issued 10:30 AM EDT 25 May 2018
Today Tonight and Saturday. Waves one metre subsiding to less than one half metre near midnight.

Extended Forecast

Issued 03:00 AM EDT 25 May 2018
Sunday Wind east 20 knots.
Monday Wind northwest 15 knots.
Tuesday Wind northeast 20 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EDT 22 May 2018 Forecasts available to mariners upon request.

*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 22 May 2018

Ice Coverage

Forecasts available to mariners upon request.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 25 May 2018 Today Tonight and Saturday At 10:30 a.m. EDT today ridge located on a line north-south over
Lake Huron.
By 10:30 a.m. EDT Saturday ridge located on a line
northeast-southwest over the East Coast of the U.S.

At 10:30 a.m. EDT today trough located on a line east-west over
northern Ontario.
By 10:30 a.m. EDT Saturday trough located on a line
northwest-southeast over Lake Superior.

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