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Eastern Lake Superior

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 22 January 2020

Today Tonight and Thursday.

Wind southwest 25 knots diminishing to southwest 15 late overnight then becoming northeast 15 early Thursday morning. Wind increasing to northeast 25 Thursday afternoon.

Flurries. Risk of freezing drizzle today and this evening. Visibility 1 mile or less in flurries.

Waves

Issued 10:30 AM EST 22 January 2020
Today Tonight and Thursday. Waves 2 metres subsiding to one and one half metres this evening and to one early Thursday morning. Waves building to 2 Thursday evening.

Extended Forecast

Issued 03:00 AM EST 22 January 2020
Friday Wind east 20 knots.
Saturday Wind northeast 15 knots.
Sunday Wind light.

Ice Forecast*

Issued 12:00 PM EST 22 January 2020 Today Tonight and Thursday Open water except 8 tenths new lake ice including 1 tenth thin lake ice along parts of the 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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» US Marine Weather
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 22 January 2020 Today Tonight and Thursday

Ice Coverage

Open water except 8 tenths new lake ice including 1 tenth thin lake
ice along parts of the shore.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 22 January 2020 Today Tonight and Thursday At 10:30 a.m. EST today quasi-stationary ridge located on a line
northeast-southwest over New England.

At 10:30 a.m. EST today trough located on a line northeast-southwest
over northwestern Ontario.
By 10:30 a.m. EST Thursday trough located on a line
northeast-southwest over northeastern Ontario.

By 10:30 a.m. EST Thursday building high 1032 mb located over
northern Ontario.

Great Lakes - Lake Superior Area

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