Language selection

Features

My Weather Profile Weather Topics  | 

Western Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EST 27 November 2021

Today Tonight and Sunday.

Strong wind warning in effect.

Wind south 15 knots veering to southwest 15 early this evening then increasing to northwest 20 late this evening. Wind veering to north 25 Sunday morning then diminishing to north 15 Sunday evening.

Periods of snow this afternoon tonight and Sunday. Visibility as low as 1 mile in snow.

Waves

Issued 10:30 AM EST 27 November 2021
Today Tonight and Sunday. Waves 0.5 to 1 metre building to 1.5 early Sunday morning then subsiding to 1 Sunday evening.

Extended Forecast

Issued 06:30 PM EST 26 November 2021
Sunday Wind northwest 25 knots.
Monday Wind northwest 15 knots diminishing to light.
Tuesday Wind light increasing to northwest 30 knots.

Ice Forecast*

Issued 12:00 PM EST 27 November 2021 Today Tonight and Sunday Open water except 5 tenths new ice along parts of the shores of Black Bay.

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

 

[ Canadian Ice Service ]

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 27 November 2021 Today Tonight and Sunday

Ice Coverage

Open water except 5 tenths new ice along parts of the shores of
Black Bay.

Warnings

Warnings (In effect)

Strong wind warning in effect

Western Lake Superior

Issued 10:30 AM EST 27 November 2021

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 10:30 AM EST 27 November 2021 Today Tonight and Sunday At 10:30 a.m. EST today ridge located on a line northwest-southeast
over Lake Huron.
By 10:30 a.m. EST Sunday ridge located on a line north-south over
the Ontario - Quebec border.

At 10:30 a.m. EST today trough located on a line northwest-southeast
over the Ontario - Manitoba border.
By 10:30 a.m. EST Sunday trough located on a line
northwest-southeast over Lake Huron.

At 10:30 a.m. EST Sunday approaching ridge located on a line
north-south over Manitoba.

Great Lakes - Lake Superior Area

Another Region

What we are doing

Date modified: