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Marine Forecast for the Great Lakes and St. Lawrence River (Ont.)

* NOTE: Corrected and/or amended bulletins are listed first *

 
FQCN13 CWTO 092300
Marine forecasts for the Great Lakes and the Ontario portion of the 
st.  Lawrence river issued by Environment Canada Ontario region
At 6.30 PM EST Saturday 9 December 2006 for the period ending at
6.30 PM Sunday with an outlook for the following 24 hours.
The next scheduled forecast will be issued at 3.00 AM Sunday.

Note..The small craft warning program is active from May 01 to 
October 31.

Winds are for mid lake.  Wave heights are for offshore and are 
forecast from trough to crest.  Nearshore winds and waves may vary 
considerably due to shoreline effects.

Western Lake Superior.
Wind southwest 25 knots diminishing to west 20 this evening and to 15 
near midnight. Wind diminishing to north 10 early Sunday morning then 
increasing to northeast 15 later Sunday morning and to east 20 Sunday 
afternoon. Fair. Waves near 2 metres lowering to 1 or less late this 
evening.
Outlook..Moderate to strong easterlies veering to southeasterlies.

Eastern Lake Superior.
Wind southwest 20 knots diminishing to west 15 near midnight and to 
northwest 10 overnight. Wind veering to north Sunday morning and to 
east Sunday near noon. Fair. Waves 1 to 2 metres lowering to 1 or 
less overnight.
Outlook..Light easterlies veering to southeasterlies then increasing 
to moderate to strong.

Whitefish bay.
Wind southwest 20 knots diminishing to 15 overnight and to 10 Sunday 
morning. Wind backing to southeast Sunday afternoon. Fair. Waves 1 
metre or less.
Outlook..Light southeasterlies increasing to moderate.

Northern Lake Huron
Northern Georgian Bay.
Wind southwest 25 knots veering to west late this evening.
Wind diminishing to 20 Sunday morning and to 15 Sunday afternoon. 
Fair then scattered showers developing late Sunday afternoon. Waves 2 
to 3 metres lowering to 1 to 2 Sunday morning and to 1 or less Sunday 
afternoon.
Outlook..Moderate westerlies backing to southwesterlies and to 
southerlies.

Southern Lake Huron
Southern Georgian Bay.
Wind southwest 30 knots diminishing to west 25 early Sunday morning 
and to 20 Sunday afternoon. Fair. Waves 2 to 3 metres lowering to 1 
to 2 Sunday morning and to near 1 late Sunday afternoon.
Outlook..Strong westerlies diminishing to moderate southwesterlies 
then backing to southerlies.

Lake St Clair.
Wind southwest 20 knots increasing to 30 this evening.
Wind diminishing to 25 Sunday morning and to 20 Sunday afternoon. 
Fair. Waves near 1 metre.
Outlook..Strong southwesterlies diminishing to moderate then backing 
to southerlies.

Western Lake Erie.
Wind southwest 25 knots increasing to 30 this evening.
Wind diminishing to 25 Sunday morning and to 20 Sunday afternoon. 
Fair. Waves 2 to 3 metres lowering to 1 to 2 late Sunday afternoon.
Outlook..Strong southwesterlies diminishing to moderate then backing 
to southerlies.

Eastern Lake Erie.
..Gale warning in effect..
Gales southwest 35 knots diminishing to wind 30 Sunday morning. Fair. 
Waves near 3 metres lowering to near 2 late Sunday afternoon.
Outlook..Strong southwesterlies diminishing to moderate then backing 
to southerlies.

Lake Ontario.
..Gale warning in effect..
Gales southwest 35 knots veering to west overnight. Gales diminishing 
to wind 30 Sunday morning and to 25 Sunday afternoon. Fair.
Waves near 3 metres building to 3 to 4 overnight then lowering to 2 
to 3 late Sunday afternoon.
Outlook..Strong westerlies diminishing to moderate then backing to 
southerlies.

Kingston to Cornwall.
Wind southwest 15 to 20 knots diminishing to 10 Sunday afternoon. 
Fair.
Outlook..Light southwesterlies becoming variable.

End

Synopsis.
  At 6.30 PM today..Broad 1034 MB high over South Carolina with east 
to west ridge average pressure 1028 MB through high.  991 MB low over 
Hudson Bay with trough average pressure 1002 MB extending south from 
low to western Lake Superior.  1005 MB low over South Dakota.
  By 6.30 PM Sunday..Broad 1034 MB high over western North Carolina. 
Trough average pressure 1018 MB extending from southern Québec 
through Sault Ste Marie to 1014 MB low over southern Minnesota.
1028 MB high over Northern Ontario with east to west ridge average 
pressure 1020 MB through high.

MAFOR 0923.
Superior west..11530 11620 12610 11800 12110 11220 waves near 2 
metres lowering to 1 or less late this evening
Superior east..12520 11610 12700 11800 12200 waves 1 to 2 metres 
lowering to 1 or less overnight
Whitefish..13520 12510 12500 11300 waves 1 metre or less
Huron north/Georgian north..11530 14630 12620 11616 waves 2 to 3 
metres lowering to 1 to 2 Sunday morning and to 1 or less Sunday 
afternoon
Huron south/Georgian south..14540 13630 11620 waves 2 to 3 metres 
lowering to 1 to 2 Sunday morning and to near 1 late Sunday afternoon
St Clair..11520 14540 12530 11520 waves near 1 metre
Erie west..11530 14540 12530 11520 waves 2 to 3 metres lowering to 1 
to 2 late Sunday afternoon
Erie east..Gale warning in effect..14550 11550 13540 waves near 3 
metres lowering to near 2 late Sunday afternoon
Ontario..Gale warning in effect..13550 12650 12640 11630 waves near 3 
metres building to 3 to 4 overnight then lowering to 2 to 3 late 
Sunday afternoon
Kingston to Cornwall..15520 11520 11500

END/DM/MS

Created: 2002-12-31
Modified: 2004-07-13
Reviewed: 2002-12-31
URL of this page: http://text.weatheroffice.ec.gc.ca/forecast/textforecast_e.html?Bulletin=fqcn13.cwto

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