It is going to be cvhilly for at least the first two days. However, you may get lucky and have Santa Ana conditions that would drastically improve the weather, but count on two days of chilly weather and then if you get the gidt of good weather, rejoice.
After that, it will be nice and sunny (unless there is a front moving through) It is a nice ride to Hawaii and a very enjoyable 5 sea days. Once in Hawaii, plan for tropical weather.
Have a great cruise.