Western Lake Superior

Forecast

Marine Forecast

Issued 03:00 AM EST 16 December 2017

Today Tonight and Sunday.

Wind northeast 20 knots diminishing to northeast 15 early this morning and to east 10 near noon. Wind increasing to southeast 15 early this evening then veering to southwest 20 overnight. Wind increasing to southwest 25 near noon Sunday.

Chance of flurries changing to a few flurries near midnight.

Waves

Issued 03:00 AM EST 16 December 2017
Today Tonight and Sunday. Waves one half metre building to one Sunday morning and to 2 Sunday afternoon. Waves subsiding to one Sunday evening.

Extended Forecast

Issued 03:00 AM EST 16 December 2017
Monday Wind southwest 15 knots increasing to southwest 25 in the afternoon.
Tuesday Wind west 30 knots.
Wednesday Wind northwest 25 knots diminishing to northwest 15.

Ice Forecast*

Issued 12:00 PM EST 15 December 2017 Today Tonight and Saturday Open water except 9 plus tenths medium lake ice in Black Bay. 9 plus tenths thin lake ice including 3 tenths medium lake ice in western Nipigon Bay. Elsewhere 8 tenths thin lake ice along parts of the shore.

*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 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 Kenora 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 15 December 2017 Today Tonight and Saturday

Ice Coverage

Open water except 9 plus tenths medium lake ice in Black Bay. 9 plus
tenths thin lake ice including 3 tenths medium lake ice in western
Nipigon Bay. Elsewhere 8 tenths thin lake ice along parts of the
shore.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 16 December 2017 Today Tonight and Sunday At 3:00 a.m. EST today dissipating low 1004 mb located over
western Quebec.

At 3:00 a.m. EST today ridge located on a line northwest-southeast
over Lake Superior.
By 3:00 a.m. EST Sunday ridge located on a line northwest-southeast
over northeastern Ontario.

Great Lakes - Lake Superior Area

Another Region

What we are doing

Date modified: