The water was a mirror at 7:30 am. The fall colours were becoming increasingly apparent with each passing day. The rising sun felt great on my back. It was a wonderful morning of painting! Light northwesterly winds developed as the land heated. Surface air parcels rose from the ground like hot air balloons to be replaced by air parcels from aloft - bringing the wind with them. The forecast was for fair weather cumulus based on this observation of wind. It is not rocket science..