Eastern Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EDT 23 July 2016

Today Tonight and Sunday

Strong wind warning in effect.

Wind north 10 knots becoming light near noon then increasing to south 20 near midnight. Wind diminishing to southwest 15 Sunday morning then increasing to west 20 Sunday afternoon. Wind increasing to west 25 Sunday evening.

A few showers beginning near midnight and ending Sunday morning with a risk of thunderstorms. Visibility 1 mile or less in showers.

Waves

Issued 10:30 AM EDT 23 July 2016
Today Tonight and Sunday Waves one half metre or less building to one late overnight.

Extended Forecast

Issued 03:00 AM EDT 23 July 2016
Monday Wind west 15 knots.
Tuesday Wind northwest 15 knots diminishing to light.
Wednesday Wind light.

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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
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Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EDT 7 May 2016 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Superior

Issued 10:30 AM EDT 23 July 2016

'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 23 July 2016 Today Tonight and Sunday At 10:30 a.m. EDT today departing trough located on a line
northeast-southwest over eastern Ontario.

At 10:30 a.m. EDT today ridge located on a line north-south over
Lake Superior.
By 10:30 a.m. EDT Sunday ridge located on a line north-south over
eastern Ontario.

At 10:30 a.m. EDT today trough located on a line north-south over
North Dakota.
By 10:30 a.m. EDT Sunday trough located on a line
northwest-southeast over eastern Lake Superior.

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