Environment Canada:
Lake Ontario. ..small craft wind warning in effect.. wind east 10 knots increasing to 15 to 20 this evening then to 20 to 25 Saturday morning. Fair. Periods of rain beginning Saturday morning. Waves less than 1 metre building to near 1 this evening then to near 2 Saturday morning. Outlook..strong easterlies backing to moderate northeasterlies.
This map shows it filling in across Lake Erie already.
WEST HALF
TONIGHT...EAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS.
WAVES 2 TO 3 FEET BUILDING TO 3 TO 5 FEET.
SATURDAY...EAST WINDS 15 TO 25 KNOTS. RAIN SPREADING NORTH BY
AFTERNOON. WAVES 3 TO 5 FEET BUILDING TO 5 TO 7 FEET.
SATURDAY NIGHT...EAST WINDS 20 TO 25 KNOTS BECOMING NORTHEAST AND
DIMINISHING TO 15 TO 20 KNOTS BY MORNING. RAIN. WAVES 5 TO 8 FEET.
SUNDAY...NORTHEAST WINDS 10 TO 20 KNOTS. RAIN LIKELY. WAVES 5 TO
7 FEET SUBSIDING TO 2 TO 4 FEET.
Filling in Across Lake Ontario Now