hi folks.....saw the mention of the isle of man and seeing as i have a trip planned there need some advice,,, as its my first real big trip in my boat.....

i have a 21 foot beneteau first 211, RCD class B.
im planning to leave dublin early on a friday morning, and head to the IOM to arrive port st mary round 9pm that night. then return early sun morn....

i havent done a trip like this before, so far from land.... i have done dublin to carlingford a few times. any advice greatly appreciated... i have gps, sat fone, charts, zodiac dinghy, flares etc....