As you may be aware the island has been experiencing heavy - heavy rains. While the off shore diving will likely recover there is a real possibility that the landing will need more time (at least at the beginning of your stay). You'll no doubt get updated as you arrive but I thought you might care for a heads up. Diving has been cancelled for the majority of the past week but we are hoping to get out in the next day or so.
I've seen many divers post here looking for a buddy w/o initial succcess - however.... once you arrive you'll find that picking up a buddy on one of your dive boats will likely be very very easy. It's pretty common to see and at least that way it isnt a total stranger.
Well I'll certainly be hoping you have great luck picking up a buddy. Koloa is such an awesome dive. Prior to the rains we had juvenile frogfish, dragon morays, plentiful octopus, lionfish and harlequin shrimp all on the site. I'm sure it'll fantastic again as the muck clears.
Have a great day/best wishes from Kauai
A