Western Lake Superior

Forecast

Marine Forecast

Issued 03:00 AM EDT 19 August 2017

Today Tonight and Sunday.

Wind light becoming southwest 10 knots early this morning then increasing to southwest 15 this afternoon. Wind southwest 15 tonight and Sunday.

Chance of showers Sunday afternoon and evening with a risk of thunderstorms.

Waves

Issued 03:00 AM EDT 19 August 2017
Today Tonight and Sunday. Waves one half metre or less building to one early this evening.

Extended Forecast

Issued 03:00 AM EDT 19 August 2017
Monday Wind southwest 15 knots diminishing to light in the afternoon.
Tuesday Wind light becoming northwest 15 knots.
Wednesday Wind north 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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 19 August 2017 Today Tonight and Sunday At 3:00 a.m. EDT today low 1001 mb located southeast of James Bay.
By 3:00 a.m. EDT Sunday low 999 mb located over northern Quebec.

At 3:00 a.m. EDT today ridge located from Manitoba to Iowa.
By 3:00 a.m. EDT Sunday ridge located from Lake Huron to Kentucky.

At 3:00 a.m. EDT today low 1002 mb located over southwestern
Saskatchewan.
By 3:00 a.m. EDT Sunday low 1002 mb located over northeastern
Manitoba.

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: