Clothing - I recommend a T-shirt, a pullover, soft footwear, a sweater and a windbreaker, gloves or fishing gloves. It's better to have too much clothes than not having enough then freezing your butt off. Sometimes especially mornings can be cool. 

Sunglasses, hat, sunscreen.
 

Fishing license

Optional, CD-Rom of your own music.

Smoking is allowed, but don't get caught off guard lighting up, keep your eyes on that rod tip. I don't want to give you a heart attack by yelling FISH-ON!