Environment Canada Weather Forecast Marine Forecast issued for Lake Ontario. Issued: 10.30 AM EDT Tuesday 20 March 2007 for the period ending at 10.30 AM Wednesday with an outlook for the following 24 hours. Synopsis: Synopsis. At 10.30 AM today..1040 MB high over northeastern Ontario with ridge average pressure 1032 MB from James Bay through high into Indiana. By 10.30 AM Wednesday..North to south ridge average pressure 1036 MB central Québec. 996 MB low over central Manitoba. Forecast: Wind northwest 25 knots diminishing to 15 this afternoon then light and variable this evening. Wind increasing to southeast 15 Wednesday morning. Fair. Waves 2 metres lowering to 1 or this evening then building to 1 to 2 Wednesday morning. Outlook..Light to moderate southeasterlies to strong southerlies.

Environment Canada Weather Forecast Marine Forecast issued for Lake Ontario. Issued: 10:13 AM EDT Friday 16 March 2007 for the period ending at 10.30 AM Saturday with an outlook for the following 24 hours. Forecast: ..Freezing spray warning in effect.. Wind northeast 20 to 25 knots increasing to 30 with gusts to gales 35 this evening then backing to north 25 to 30 Saturday morning. Fair. Snow developing late this afternoon. Risk of freezing spray. Freezing spray beginning this evening. Waves 1 to 2 metres building to 2 to 3 this evening. Outlook..Strong northerlies backing to northwesterlies.