Eastern Lake Superior

Forecast

Marine Forecast

Issued 03:00 AM EST 17 December 2017

Today Tonight and Monday.

Wind southeast 15 knots veering to southwest 20 early this morning then diminishing to southwest 15 overnight. Wind increasing to southwest 20 Monday morning and to southwest 25 Monday evening.

Chance of flurries changing to flurries early this morning then to chance of flurries overnight and Monday. Periods of snow Monday afternoon.

Waves

Issued 03:00 AM EST 17 December 2017
Today Tonight and Monday. Waves one half metre building to one this morning then subsiding to one half metre Monday morning. Waves building to one near noon Monday and to 2 Monday evening.

Extended Forecast

Issued 03:00 AM EST 17 December 2017
Tuesday Wind west 25 knots veering to northwest 30 in the morning.
Wednesday Wind northwest 30 knots diminishing to northwest 15 late in the day.
Thursday Wind light increasing to east 20 knots.

Ice Forecast*

Issued 12:00 PM EST 16 December 2017 Today Tonight and Sunday Ice free except open water along 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 16 December 2017 Today Tonight and Sunday

Ice Coverage

Ice free except open water along the shore.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 17 December 2017 Today Tonight and Monday At 3:00 a.m. EST today ridge located on a line northwest-southeast
over Lake Ontario.
By 3:00 a.m. EST Monday ridge located on a line north-south
over Maine.

At 3:00 a.m. EST today trough located on a line northwest-southeast
over southeastern Manitoba.
By 3:00 a.m. EST Monday trough located on a line northwest-southeast
over Lower Michigan.

Great Lakes - Lake Superior Area

Another Region

What we are doing

Date modified: