Surfing Magazine puts out a surfing rule book in their magazine (almost) every month, and have even turned it into a Twitter account (@SURFINGRulebook). They’re loaded with both funny and actual rules all surfers should live by, so we thought we’d share 15 of our favorites here:

Rule No. 629: Inside the car, your surfboard is a projectile.

Rule No. 411: If you’ve already put on sunscreen, a wetsuit or a leash, you’re paddling out.

Rule No. 323: Have a favorite surf photo, and be able to find it quickly.

Rule No. 115: If you didn’t surf all winter, get to the back of the line.

Rule No. 483: Every great surfer is secretly expert at one of the following: fishing, pool skating, lifesaving, bodysurfing.

Rule No. 282: Strong shoulders, better waves; strong legs, better surfing.

Rule No. 198: Arms below shoulder-height at all times.

Rule No. 343: Never let total surfboards owned exceed total sessions per month.

Rule No. 739: You surf faster after a haircut.

Rule No. 865: When selling a used board, it’s assumed fins are included.

Rule No. 116: 66 degree water, overcast skies and 7 a.m. are the toughest conditions to suit up for.

Rule No. 75: Never walk more than 200 feet in your wetsuit without a surfboard under your arm.

Rule No. 309: Wetsuits have gotten really good. Take a leak before you paddle out.

Rule No. 535: Never get out of the water before the guy with the car keys.

And last, but not least…

Rule No. 223: Never put the location of where you’re surfing in your Facebook status.

Do you have a favorite? What surf rules do you live by? Let us know, and we’ll tweet our your new rule!