Eastern Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EDT 17 August 2017

Today Tonight and Friday.

Strong wind warning in effect.

Wind southeast 20 knots backing to east 25 near noon then veering to southeast 20 this evening. Wind backing to northeast 20 near midnight then to north 20 early Friday morning. Wind backing to northwest 20 Friday evening.

Rain with a risk of thunderstorms changing to a few showers late overnight and ending Friday afternoon.

Waves

Issued 10:30 AM EDT 17 August 2017
Today Tonight and Friday. Waves 2 metres subsiding to one and one half metres late overnight and to one half to one metre Friday morning.

Extended Forecast

Issued 03:00 AM EDT 17 August 2017
Saturday Wind northwest 15 knots diminishing to light in the morning then becoming southwest 15 late in the day.
Sunday Wind light becoming southwest 15 knots late in the day.
Monday Wind southwest 15 knots.

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 EDT 27 April 2017 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Superior

Issued 10:30 AM EDT 17 August 2017

'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 EDT 17 August 2017 Today Tonight and Friday At 10:30 a.m. EDT today ridge located on a line north-south
over Ottawa.
By 10:30 a.m. EDT Friday ridge located on a line north-south over
New Brunswick.

At 10:30 a.m. EDT today low 998 mb located on a line north-south
over western Wisconsin.
By 10:30 a.m. EDT Friday low 999 mb located over northern Lake
Huron.

Great Lakes - Lake Superior Area

Another Region

What we are doing

Features

UV Index and sun protection

Be weather wise!

Extreme Heat Protection

Be prepared!

Lightning Safety

When thunder roars, GO INDOORS!

Date modified: