Western Lake Superior

Forecast

Marine Forecast

Issued 06:30 PM EDT 28 May 2015

Tonight and Friday

Strong wind warning in effect.

Wind southeast 15 knots increasing to south 20 late overnight then diminishing to light Friday morning. Wind increasing to north 20 Friday evening.

A few showers tonight with a risk of thunderstorms. A few showers beginning Friday afternoon. Fog patches.

Waves

Issued 06:30 PM EDT 28 May 2015
Tonight and Friday Waves one half metre building to one this evening then subsiding to less than one half metre near noon Friday. Waves building to one Friday evening.

Extended Forecast

Issued 06:30 PM EDT 28 May 2015
Saturday Wind northwest 20 knots.
Sunday Wind northeast 15 knots diminishing to light.
Monday Wind light becoming southeast 15 knots late in the day.

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 Cameron Falls Caribou Island Geraldton Airport 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 28 May 2015 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Western Lake Superior

Issued 6:30 PM EDT 28 May 2015

'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 6:30 PM EDT 28 May 2015 Tonight and Friday At 6:30 p.m. EDT tonight departing ridge located on a line
north-south over southern Ontario.

At 6:30 p.m. EDT tonight low 1007 mb located over eastern North
Dakota.
By 6:30 p.m. EDT Friday low 1008 mb located east of Lake Superior.

By 6:30 p.m. EDT Friday ridge located on a line north-south over
Manitoba.

Great Lakes - Lake Superior Area

Another Region

What we are doing

Date modified: