Eastern Lake Superior

Forecast

Marine Forecast

Issued 03:00 AM EST 30 January 2015

Today Tonight and Saturday

Wind north 20 knots diminishing to north 15 this morning and to northwest 10 near noon. Wind increasing to west 15 early this evening then backing to southwest 20 near midnight. Wind veering to northwest 20 Saturday morning then to north 25 Saturday afternoon.

A few flurries changing to chance of flurries today then to periods of light snow near midnight and ending near noon Saturday. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Over open water freezing spray ending near noon. Freezing spray beginning near noon Saturday.

Waves

Issued 03:00 AM EST 30 January 2015
Today Tonight and Saturday Over open water waves 2 metres subsiding to one half to one metre near noon then building to 2 near noon Saturday.

Extended Forecast

Issued 03:00 AM EST 30 January 2015
Sunday Wind north 25 knots diminishing to light in the morning then increasing to northwest 20 in the afternoon.
Monday Wind northwest 20 knots backing to west 25 late in the day.
Tuesday Wind west 25 knots.

Ice Forecast*

Issued 12:00 PM EST 29 January 2015 Today Tonight and Friday Ice pressure warning in effect. Open water except 9 tenths of thin lake ice including 3 tenths of medium lake ice along the southern and 9 tenths of medium lake ice along the eastern shore. Strong ice pressure along the southeast coast easing Friday morning.

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

 

[ Canadian Ice Service ]

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Weather Conditions

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Map of Great Lakes - Lake Huron marine weather areas Egbert N Huron - 45003 W Erie - 45005 S Huron - 45008 Lake Ontario - 45012 Port Stanley - 45132 Prince Edward Point - 45135 Georgian Bay - 45137 Grimsby - 45139 Port Colborne - 45142 South Georgian Bay - 45143 Lake St Clair - 45147 South Lake Huron - 45149 Lake Simcoe - 45151 Lake Nipissing - 45152 North Channel - 45154 Ajax - 45159 Sault Ste. Marie Airport Greater Sudbury Airport North Bay Airport Gore Bay-Manitoulin Airport Great Duck Island Brockville Grenadier Island Kemptville Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Port Weller St. Catharines Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Municipal Airport Point Petre Toronto City Centre Airport Toronto Pearson Int'l Airport CFB Trenton Peterborough Municipal Airport Killarney Western Islands CFB Borden Cove Island Long Point Port Colborne Erieau Point Pelee Toronto Buttonville Municipal Airport
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Ice Conditions

Ice Forecasts

Issued 12:00 PM EST 29 January 2015 Today Tonight and Friday

Ice Coverage

Ice pressure warning in effect.

Open water except 9 tenths of thin lake ice including 3 tenths of medium lake ice along the southern and 9 tenths of medium lake ice along the eastern shore. Strong ice pressure along the southeast coast easing Friday morning.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Eastern Lake Superior

Issued 03:00 AM EST 30 January 2015

Moderate or severe freezing spray is 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.

Ice pressure warning in effect

Eastern Lake Superior

Issued 12:00 PM EST 29 January 2015

Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 30 January 2015 Today Tonight and Saturday At 3:00 a.m. EST today trough located on a line northeast-southwest
over eastern Lake Ontario.
By 3:00 a.m. EST Saturday trough located off the Eastern Seaboard.

At 3:00 a.m. EST today ridge located on a line north-south over
western Minnesota.
By 3:00 a.m. EST Saturday ridge located on a line
northeast-southwest over western Lake Erie.

By 3:00 a.m. EST Saturday trough located on a line
northeast-southwest over western Lake Superior.

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