In 30 yrs of fishing the NS for Coho I have ever only once caught a lingcod off the green marker and that was many yrs ago. The closer you get to the mouth the more tight lipped these fish are. Sometimes they hold on the flats at the Pink Apartments, (Navy Jack Point) to about the 28th street jetty. Its fairly shallow in there so 30' sometimes will drag the bottom. Tides, watch the tides. Incoming tides are best. The less water movement the better. One hour before to one hour after would be considered the prime time. If you want to travel a little further you can go to the Fisheries building just before Point Atkinson. Sometimes the fish out there will be more willing to bite. This is a little deeper water depending how far into the bay you want to go. White hootchies I would say is the top producers but green, green spackleback and purple onion all have their time as well. The last thing, speed. 2.5k is on the slow side. 2.7 - 3 is probably the target. There are some who go faster. This is just one man's opinion. Good luck and tight lines.