I think it was BBC's Blue Planet which called SoCal waters. "The chilly 55 degree water of the California current..." Too funny, chilly doesn't start until 45F and cold is around 39F. 55 is just bathwater.
"Chilly" and "Cold" are subjective. 55 degree water is definitely chilly to me. I am not sure how much extra "bio-prene" you are wearing, but 55 degree water is enough to make me consider a drysuit. 45 degree water is damn cold by just about anybodys standard. You may be one of the lucky ones with a high tolerance to the cold.
Seahound,
Here are some tips for diving the kelp forest regardless of where you decide to dive.
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Streamline your gear. Tuck your gauges under your shoulder straps, ect.
- Probably the most important tip I can give you is Navigation.
Use your compass. If you are in Catalina, the visibility will probably be pretty good. But when it drops below 30 feet (which is still excellent by my standard) you may get turned around especially when the kelp is thick. Imagine walking through a thick section of woods in a dense fog...it is easy to get disoriented. I personally take a headings facing directly into shore, directly out to the deep, and than parallel to the shore line. That way I have a general X/Y axis and I can infer angles based on those numbers. I would definitely brush up on your navigation skills at your local diving hole before you come out to California.
- Go with the flow, don't fight the kelp.
If you feel kelp snag your fins, don't kick hard to get out of it. Kick gently and as you move forward the kelp should just slide off. Try not to turn around and untangle the kelp with your hands unless absolutely necessary, this may cause more entanglement.
Also when moving through really thick kelp, keep one hand on your primary regulator hose incase it gets snagged and pulled out of your mouth. If you are wearing a snorkel, be mindful of that as it can become entangled and rip your mask right off your face if you are moving fast. Basically the best option when moving through kelp is to move slow and steadily...go with the flow.
You are going to have a blast. Let us know how it goes. The kelp forests of California are a sacred place to me, and I am sure you will soon see why.