Eastern Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EDT 20 August 2017

Today Tonight and Monday.

Wind southwest 10 knots increasing to south 15 this afternoon then diminishing to southwest 10 this evening. Wind veering to northwest 10 early Monday morning then becoming light near noon Monday.

A few showers beginning early this evening and ending late overnight with a risk of thunderstorms. Fog patches dissipating near noon. Fog patches forming near midnight and dissipating Monday afternoon.

Waves

Issued 10:30 AM EDT 20 August 2017
Today Tonight and Monday. Waves one half metre or less building to one early this evening then subsiding to one half metre or less near midnight.

Extended Forecast

Issued 03:00 AM EDT 20 August 2017
Tuesday Wind northeast 15 knots increasing to northwest 25 late in the day.
Wednesday Wind northwest 25 knots diminishing to north 15.
Thursday Wind light.

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 10:30 AM EDT 20 August 2017 Today Tonight and Monday At 10:30 a.m. EDT today ridge located on a line north-south over
Lake Ontario.
By 10:30 a.m. EDT Monday ridge located on a line north-south
over Maine.

At 10:30 a.m. EDT today trough located on a line north-south over
northwestern Ontario.
By 10:30 a.m. EDT Monday trough located on a line
northeast-southwest over Sault Ste. Marie.

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: